Computer-based representation of physical systems and phenomena such as chemical processes.
A computer simulation developed to study the motion of molecules over a period of time.
Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.
Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.
A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.
In statistics, a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer. The name alludes to the randomness characteristic of the games of chance played at the gambling casinos in Monte Carlo. (From Random House Unabridged Dictionary, 2d ed, 1993)
Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.
Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.
Sequential operating programs and data which instruct the functioning of a digital computer.
Theoretical representations that simulate the behavior or activity of genetic processes or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.
Theoretical representations that simulate the behavior or activity of chemical processes or phenomena; includes the use of mathematical equations, computers, and other electronic equipment.
A rigorously mathematical analysis of energy relationships (heat, work, temperature, and equilibrium). It describes systems whose states are determined by thermal parameters, such as temperature, in addition to mechanical and electromagnetic parameters. (From Hawley's Condensed Chemical Dictionary, 12th ed)
Theoretical representations that simulate the behavior or activity of the cardiovascular system, processes, or phenomena; includes the use of mathematical equations, computers and other electronic equipment.
Statistical formulations or analyses which, when applied to data and found to fit the data, are then used to verify the assumptions and parameters used in the analysis. Examples of statistical models are the linear model, binomial model, polynomial model, two-parameter model, etc.
Theoretical representations that simulate the behavior or activity of the neurological system, processes or phenomena; includes the use of mathematical equations, computers, and other electronic equipment.
The process of formulating, improving, and expanding educational, managerial, or service-oriented work plans (excluding computer program development).
The deductive study of shape, quantity, and dependence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Elements of limited time intervals, contributing to particular results or situations.
The attitude and behavior associated with an individual using the computer.
Computers in which quantities are represented by physical variables; problem parameters are translated into equivalent mechanical or electrical circuits as an analog for the physical phenomenon being investigated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
Processes that incorporate some element of randomness, used particularly to refer to a time series of random variables.
The rate dynamics in chemical or physical systems.
The study of PHYSICAL PHENOMENA and PHYSICAL PROCESSES as applied to living things.
The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain).
Various units or machines that operate in combination or in conjunction with a computer but are not physically part of it. Peripheral devices typically display computer data, store data from the computer and return the data to the computer on demand, prepare data for human use, or acquire data from a source and convert it to a form usable by a computer. (Computer Dictionary, 4th ed.)
The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point of lower pressure or concentration and to distribute itself throughout the available space. Diffusion, especially FACILITATED DIFFUSION, is a major mechanism of BIOLOGICAL TRANSPORT.
The physical characteristics and processes of biological systems.
The use of persons coached to feign symptoms or conditions of real diseases in a life-like manner in order to teach or evaluate medical personnel.
Devices or objects in various imaging techniques used to visualize or enhance visualization by simulating conditions encountered in the procedure. Phantoms are used very often in procedures employing or measuring x-irradiation or radioactive material to evaluate performance. Phantoms often have properties similar to human tissue. Water demonstrates absorbing properties similar to normal tissue, hence water-filled phantoms are used to map radiation levels. Phantoms are used also as teaching aids to simulate real conditions with x-ray or ultrasonic machines. (From Iturralde, Dictionary and Handbook of Nuclear Medicine and Clinical Imaging, 1990)
Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study.
Familiarity and comfort in using computers efficiently.
The accumulation of an electric charge on a object
A low-energy attractive force between hydrogen and another element. It plays a major role in determining the properties of water, proteins, and other compounds.
The characteristic three-dimensional shape of a molecule.
Systems composed of a computer or computers, peripheral equipment, such as disks, printers, and terminals, and telecommunications capabilities.
Abrupt changes in the membrane potential that sweep along the CELL MEMBRANE of excitable cells in response to excitation stimuli.
The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.
Programs and activities sponsored or administered by local, state, or national governments.
Layers of lipid molecules which are two molecules thick. Bilayer systems are frequently studied as models of biological membranes.
A computer architecture, implementable in either hardware or software, modeled after biological neural networks. Like the biological system in which the processing capability is a result of the interconnection strengths between arrays of nonlinear processing nodes, computerized neural networks, often called perceptrons or multilayer connectionist models, consist of neuron-like units. A homogeneous group of units makes up a layer. These networks are good at pattern recognition. They are adaptive, performing tasks by example, and thus are better for decision-making than are linear learning machines or cluster analysis. They do not require explicit programming.
The study of chance processes or the relative frequency characterizing a chance process.
A technique of inputting two-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer.
Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed)
The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.
A field of biology concerned with the development of techniques for the collection and manipulation of biological data, and the use of such data to make biological discoveries or predictions. This field encompasses all computational methods and theories for solving biological problems including manipulation of models and datasets.
The level of protein structure in which regular hydrogen-bond interactions within contiguous stretches of polypeptide chain give rise to alpha helices, beta strands (which align to form beta sheets) or other types of coils. This is the first folding level of protein conformation.
The properties, processes, and behavior of biological systems under the action of mechanical forces.
The discipline studying genetic composition of populations and effects of factors such as GENETIC SELECTION, population size, MUTATION, migration, and GENETIC DRIFT on the frequencies of various GENOTYPES and PHENOTYPES using a variety of GENETIC TECHNIQUES.
Differential and non-random reproduction of different genotypes, operating to alter the gene frequencies within a population.
Physical motion, i.e., a change in position of a body or subject as a result of an external force. It is distinguished from MOVEMENT, a process resulting from biological activity.
A computer based method of simulating or analyzing the behavior of structures or components.
Functions constructed from a statistical model and a set of observed data which give the probability of that data for various values of the unknown model parameters. Those parameter values that maximize the probability are the maximum likelihood estimates of the parameters.
Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)
Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
A type of MICROCOMPUTER, sometimes called a personal digital assistant, that is very small and portable and fitting in a hand. They are convenient to use in clinical and other field situations for quick data management. They usually require docking with MICROCOMPUTERS for updates.
The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.
The homogeneous mixtures formed by the mixing of a solid, liquid, or gaseous substance (solute) with a liquid (the solvent), from which the dissolved substances can be recovered by physical processes. (From Grant & Hackh's Chemical Dictionary, 5th ed)
A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results.
The parts of a macromolecule that directly participate in its specific combination with another molecule.
Process of teaching a person to interact and communicate with a computer.
Application of statistical procedures to analyze specific observed or assumed facts from a particular study.
Processes involved in the formation of TERTIARY PROTEIN STRUCTURE.
The process of pictorial communication, between human and computers, in which the computer input and output have the form of charts, drawings, or other appropriate pictorial representation.
Computer-based systems that enable management to interrogate the computer on an ad hoc basis for various kinds of information in the organization, which predict the effect of potential decisions.
A self-learning technique, usually online, involving interaction of the student with programmed instructional materials.
The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments.
Methods of creating machines and devices.
A theorem in probability theory named for Thomas Bayes (1702-1761). In epidemiology, it is used to obtain the probability of disease in a group of people with some characteristic on the basis of the overall rate of that disease and of the likelihood of that characteristic in healthy and diseased individuals. The most familiar application is in clinical decision analysis where it is used for estimating the probability of a particular diagnosis given the appearance of some symptoms or test result.
A computer simulation technique that is used to model the interaction between two molecules. Typically the docking simulation measures the interactions of a small molecule or ligand with a part of a larger molecule such as a protein.
Input/output devices designed to receive data in an environment associated with the job to be performed, and capable of transmitting entries to, and obtaining output from, the system of which it is a part. (Computer Dictionary, 4th ed.)
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.
The process of cumulative change at the level of DNA; RNA; and PROTEINS, over successive generations.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
Components of a national health care system which administer specific services, e.g., national health insurance.
The spatial arrangement of the atoms of a nucleic acid or polynucleotide that results in its characteristic 3-dimensional shape.
The thermodynamic interaction between a substance and WATER.
A mechanism of communication within a system in that the input signal generates an output response which returns to influence the continued activity or productivity of that system.
Computer-assisted study of methods for obtaining useful quantitative solutions to problems that have been expressed mathematically.
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
A stochastic process such that the conditional probability distribution for a state at any future instant, given the present state, is unaffected by any additional knowledge of the past history of the system.
Methods developed to aid in the interpretation of ultrasound, radiographic images, etc., for diagnosis of disease.
A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.
Motion of an object in which either one or more points on a line are fixed. It is also the motion of a particle about a fixed point. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, Biostatistics and Epidemiology, 1990, p95)
Application of computer programs designed to assist the physician in solving a diagnostic problem.
The biological science concerned with the life-supporting properties, functions, and processes of living organisms or their parts.
Any visible result of a procedure which is caused by the procedure itself and not by the entity being analyzed. Common examples include histological structures introduced by tissue processing, radiographic images of structures that are not naturally present in living tissue, and products of chemical reactions that occur during analysis.
Encouraging consumer behaviors most likely to optimize health potentials (physical and psychosocial) through health information, preventive programs, and access to medical care.
A system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunications equipment or cables: used to transmit or receive information. (Random House Unabridged Dictionary, 2d ed)
The theory that the radiation and absorption of energy take place in definite quantities called quanta (E) which vary in size and are defined by the equation E=hv in which h is Planck's constant and v is the frequency of the radiation.
The educational process of instructing.
The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.
Improvement of the quality of a picture by various techniques, including computer processing, digital filtering, echocardiographic techniques, light and ultrastructural MICROSCOPY, fluorescence spectrometry and microscopy, scintigraphy, and in vitro image processing at the molecular level.
The science and art of collecting, summarizing, and analyzing data that are subject to random variation. The term is also applied to the data themselves and to the summarization of the data.
Organized periodic procedures performed on large groups of people for the purpose of detecting disease.
An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS.
Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
The level of protein structure in which combinations of secondary protein structures (alpha helices, beta sheets, loop regions, and motifs) pack together to form folded shapes called domains. Disulfide bridges between cysteines in two different parts of the polypeptide chain along with other interactions between the chains play a role in the formation and stabilization of tertiary structure. Small proteins usually consist of only one domain but larger proteins may contain a number of domains connected by segments of polypeptide chain which lack regular secondary structure.
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
Genotypic differences observed among individuals in a population.
Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.
The motion of fluids, especially noncompressible liquids, under the influence of internal and external forces.
Continuous frequency distribution of infinite range. Its properties are as follows: 1, continuous, symmetrical distribution with both tails extending to infinity; 2, arithmetic mean, mode, and median identical; and 3, shape completely determined by the mean and standard deviation.
A plan for collecting and utilizing data so that desired information can be obtained with sufficient precision or so that an hypothesis can be tested properly.
The study of systems which respond disproportionately (nonlinearly) to initial conditions or perturbing stimuli. Nonlinear systems may exhibit "chaos" which is classically characterized as sensitive dependence on initial conditions. Chaotic systems, while distinguished from more ordered periodic systems, are not random. When their behavior over time is appropriately displayed (in "phase space"), constraints are evident which are described by "strange attractors". Phase space representations of chaotic systems, or strange attractors, usually reveal fractal (FRACTALS) self-similarity across time scales. Natural, including biological, systems often display nonlinear dynamics and chaos.
Facilities equipped to carry out investigative procedures.
The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.
The relationships of groups of organisms as reflected by their genetic makeup.
Computer-assisted processing of electric, ultrasonic, or electronic signals to interpret function and activity.
A course of study offered by an educational institution.
Education that increases the awareness and favorably influences the attitudes and knowledge relating to the improvement of health on a personal or community basis.
A system for verifying and maintaining a desired level of quality in a product or process by careful planning, use of proper equipment, continued inspection, and corrective action as required. (Random House Unabridged Dictionary, 2d ed)
The measure of that part of the heat or energy of a system which is not available to perform work. Entropy increases in all natural (spontaneous and irreversible) processes. (From Dorland, 28th ed)
A purely physical condition which exists within any material because of strain or deformation by external forces or by non-uniform thermal expansion; expressed quantitatively in units of force per unit area.
Recording changes in electrical impedance between electrodes placed on opposite sides of a part of the body, as a measure of volume changes in the path of the current. (Stedman, 25th ed)
An impulse-conducting system composed of modified cardiac muscle, having the power of spontaneous rhythmicity and conduction more highly developed than the rest of the heart.
The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Programs of training in medicine and medical specialties offered by hospitals for graduates of medicine to meet the requirements established by accrediting authorities.
Computer-assisted interpretation and analysis of various mathematical functions related to a particular problem.
Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product.
Characteristics or attributes of the outer boundaries of objects, including molecules.
The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM.
Imaging methods that result in sharp images of objects located on a chosen plane and blurred images located above or below the plane.
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, CLINICAL TRIALS AS TOPIC; DRUG EVALUATION; and DRUG EVALUATION, PRECLINICAL are available.
Health insurance plans intended to reduce unnecessary health care costs through a variety of mechanisms, including: economic incentives for physicians and patients to select less costly forms of care; programs for reviewing the medical necessity of specific services; increased beneficiary cost sharing; controls on inpatient admissions and lengths of stay; the establishment of cost-sharing incentives for outpatient surgery; selective contracting with health care providers; and the intensive management of high-cost health care cases. The programs may be provided in a variety of settings, such as HEALTH MAINTENANCE ORGANIZATIONS and PREFERRED PROVIDER ORGANIZATIONS.
Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work.
Any method used for determining the location of and relative distances between genes on a chromosome.
Small computers using LSI (large-scale integration) microprocessor chips as the CPU (central processing unit) and semiconductor memories for compact, inexpensive storage of program instructions and data. They are smaller and less expensive than minicomputers and are usually built into a dedicated system where they are optimized for a particular application. "Microprocessor" may refer to just the CPU or the entire microcomputer.
Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project.
Resistance and recovery from distortion of shape.
The specialty of ANALYTIC CHEMISTRY applied to assays of physiologically important substances found in blood, urine, tissues, and other biological fluids for the purpose of aiding the physician in making a diagnosis or following therapy.
The voltage differences across a membrane. For cellular membranes they are computed by subtracting the voltage measured outside the membrane from the voltage measured inside the membrane. They result from differences of inside versus outside concentration of potassium, sodium, chloride, and other ions across cells' or ORGANELLES membranes. For excitable cells, the resting membrane potentials range between -30 and -100 millivolts. Physical, chemical, or electrical stimuli can make a membrane potential more negative (hyperpolarization), or less negative (depolarization).
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.
The complete summaries of the frequencies of the values or categories of a measurement made on a group of items, a population, or other collection of data. The distribution tells either how many or what proportion of the group was found to have each value (or each range of values) out of all the possible values that the quantitative measure can have.
Statistical models of the production, distribution, and consumption of goods and services, as well as of financial considerations. For the application of statistics to the testing and quantifying of economic theories MODELS, ECONOMETRIC is available.
Stable elementary particles having the smallest known positive charge, found in the nuclei of all elements. The proton mass is less than that of a neutron. A proton is the nucleus of the light hydrogen atom, i.e., the hydrogen ion.
The ability of a substrate to allow the passage of ELECTRONS.
The study of the generation and behavior of electrical charges in living organisms particularly the nervous system and the effects of electricity on living organisms.
Organized services to administer immunization procedures in the prevention of various diseases. The programs are made available over a wide range of sites: schools, hospitals, public health agencies, voluntary health agencies, etc. They are administered to an equally wide range of population groups or on various administrative levels: community, municipal, state, national, international.
Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified.
A technique applicable to the wide variety of substances which exhibit paramagnetism because of the magnetic moments of unpaired electrons. The spectra are useful for detection and identification, for determination of electron structure, for study of interactions between molecules, and for measurement of nuclear spins and moments. (From McGraw-Hill Encyclopedia of Science and Technology, 7th edition) Electron nuclear double resonance (ENDOR) spectroscopy is a variant of the technique which can give enhanced resolution. Electron spin resonance analysis can now be used in vivo, including imaging applications such as MAGNETIC RESONANCE IMAGING.
The mating of plants or non-human animals which are closely related genetically.
A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event.
The study of NUTRITION PROCESSES, as well as the components of food, their actions, interaction, and balance in relation to health and disease in animals.
Improvement in the quality of an x-ray image by use of an intensifying screen, tube, or filter and by optimum exposure techniques. Digital processing methods are often employed.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
Integrated set of files, procedures, and equipment for the storage, manipulation, and retrieval of information.
Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The arrangement of two or more amino acid or base sequences from an organism or organisms in such a way as to align areas of the sequences sharing common properties. The degree of relatedness or homology between the sequences is predicted computationally or statistically based on weights assigned to the elements aligned between the sequences. This in turn can serve as a potential indicator of the genetic relatedness between the organisms.
The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells.
The prediction or projection of the nature of future problems or existing conditions based upon the extrapolation or interpretation of existing scientific data or by the application of scientific methodology.
The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION.
Specialized junctions at which a neuron communicates with a target cell. At classical synapses, a neuron's presynaptic terminal releases a chemical transmitter stored in synaptic vesicles which diffuses across a narrow synaptic cleft and activates receptors on the postsynaptic membrane of the target cell. The target may be a dendrite, cell body, or axon of another neuron, or a specialized region of a muscle or secretory cell. Neurons may also communicate via direct electrical coupling with ELECTRICAL SYNAPSES. Several other non-synaptic chemical or electric signal transmitting processes occur via extracellular mediated interactions.
The hollow, muscular organ that maintains the circulation of the blood.
The measurement of frequency or oscillation changes.
A meshlike structure composed of interconnecting nerve cells that are separated at the synaptic junction or joined to one another by cytoplasmic processes. In invertebrates, for example, the nerve net allows nerve impulses to spread over a wide area of the net because synapses can pass information in any direction.
The capability to perform acceptably those duties directly related to patient care.
A representation, generally small in scale, to show the structure, construction, or appearance of something. (From Random House Unabridged Dictionary, 2d ed)
A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed)
A synthetic phospholipid used in liposomes and lipid bilayers for the study of biological membranes.
The production of offspring by selective mating or HYBRIDIZATION, GENETIC in animals or plants.
The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS.
Small computers that lack the speed, memory capacity, and instructional capability of the full-size computer but usually retain its programmable flexibility. They are larger, faster, and more flexible, powerful, and expensive than microcomputers.
Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.
Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The models predict a linear regression.
Number of individuals in a population relative to space.
Use of electric potential or currents to elicit biological responses.
A set of statistical methods used to group variables or observations into strongly inter-related subgroups. In epidemiology, it may be used to analyze a closely grouped series of events or cases of disease or other health-related phenomenon with well-defined distribution patterns in relation to time or place or both.
Data processing largely performed by automatic means.
The co-inheritance of two or more non-allelic GENES due to their being located more or less closely on the same CHROMOSOME.
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.
Genetic loci associated with a QUANTITATIVE TRAIT.
An enzyme that catalyzes the reversible oxidation of inosine 5'-phosphate (IMP) to guanosine 5'-phosphate (GMP) in the presence of AMMONIA and NADP+. This enzyme was formerly classified as EC
Computer systems or networks designed to provide radiographic interpretive information.
Gated, ion-selective glycoproteins that traverse membranes. The stimulus for ION CHANNEL GATING can be due to a variety of stimuli such as LIGANDS, a TRANSMEMBRANE POTENTIAL DIFFERENCE, mechanical deformation or through INTRACELLULAR SIGNALING PEPTIDES AND PROTEINS.
The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.
A measurement index derived from a modification of standard life-table procedures and designed to take account of the quality as well as the duration of survival. This index can be used in assessing the outcome of health care procedures or services. (BIOETHICS Thesaurus, 1994)
The pattern of any process, or the interrelationship of phenomena, which affects growth or change within a population.
The diversion of RADIATION (thermal, electromagnetic, or nuclear) from its original path as a result of interactions or collisions with atoms, molecules, or larger particles in the atmosphere or other media. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The assessing of academic or educational achievement. It includes all aspects of testing and test construction.
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Theoretical construct used in applied mathematics to analyze certain situations in which there is an interplay between parties that may have similar, opposed, or mixed interests. In a typical game, decision-making "players," who each have their own goals, try to gain advantage over the other parties by anticipating each other's decisions; the game is finally resolved as a consequence of the players' decisions.
The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065)
Materials in intermediate state between solid and liquid.
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.
Diagnostic, therapeutic and preventive health services provided for individuals in the community.
The teaching or training of patients concerning their own health needs.
The portion of an interactive computer program that issues messages to and receives commands from a user.
The fluid separating the membranous labyrinth from the osseous labyrinth of the ear. It is entirely separate from the ENDOLYMPH which is contained in the membranous labyrinth. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1396, 642)
Linear-scaling density functional simulations on parallel computers". J. Chem. Phys. 122 (8): 084119. Bibcode:2005JChPh. ... Density functional theory Quantum chemistry computer programs ONETEP official website C.-K. Skylaris; P. D. Haynes; A. A. ... is a linear-scaling density functional theory software package able to run on parallel computers. It uses a basis of non- ...
An increase in the centrifugal efficiency is obtained based on a computer simulation program ran beforehand. This is proven ... A set of parallel plates with a tilt angle θ with respect to horizontal plane is installed to reduce the distance of the ... It is arranged in parallel to the centrifuge axis. ... that has a series of conical discs which provides a parallel ...
This approach may be applied to the analysis of correctness of parallel and distributed programs. The Distributed Computer ... modeling software List of computer simulation software List of discrete event simulation software Computer simulation AnyLogic ... At the beginning of the 1990s there was a big interest in the mathematical approach to modeling and simulation of parallel ... "A Simulation Study of The Effect of Mosque Design on Egress Times" Proceedings of the 2012 Winter Simulation Conference ...
This parallel development reduces the risk of the program failing. Computer simulation and modelling, particularly of the LMG, ... Like the rest of the program, the weapon extensively uses parallel development. It has designs for polymer-cased ammunition and ... The other program components use a 'spiral development' approach, whereby the product is rolled out in stages or 'spirals', ... Design began in 2008, four years after the beginning of the LSAT program. Like the LSAT LMG, the rifle is designed to be ...
TRACE was made into a working computer program for running perceptual simulations. These simulations are predictions about how ... TRACE was created during the formative period of connectionism, and was included as a chapter in Parallel Distributed ... A simulation of speech perception involves presenting the TRACE computer program with mock speech input, running the program, ... A successful simulation indicates that the result is found to be meaningfully similar to how people process speech. It is ...
SIESTA (Spanish Initiative for Electronic Simulations with Thousands of Atoms) is an original method and its computer program ... It may be compiled for serial or parallel execution (under MPI). SIESTA routinely provides: Total and partial energies. Atomic ... Quantum chemistry computer programs García, Alberto; Papior, Nick; Akhtar, Arsalan; Artacho, Emilio; Blum, Volker; Bosoni, ... These programs can be helpful to process SIESTA output, or to supplement the functionality of the program. Since its ...
Program: [email protected]) This simulation was run in 200,000 CPU's of participating personal computers around the world. These ... Long continuous-trajectory simulations have been performed on Anton, a massively parallel supercomputer designed and built ... MD simulation of the full satellite tobacco mosaic virus (STMV) (2006, Size: 1 million atoms, Simulation time: 50 ns, program: ... Materials modelling and computer simulation codes A few tips on molecular dynamics Movie of MD simulation of ...
ISBN 978-1-4577-0524-3. Eggers, S. J.; Katz, R. H. (1988-01-01). A Characterization of Sharing in Parallel Programs and Its ... Proceedings of the 15th Annual International Symposium on Computer Architecture. ISCA '88. Los Alamitos, CA, USA: IEEE Computer ... Archibald, James; Baer, Jean-Loup (1986-09-01). "Cache Coherence Protocols: Evaluation Using a Multiprocessor Simulation Model ... 2011 Ninth IEEE International Symposium on Parallel and Distributed Processing with Applications Workshops (ISPAW). pp. 256-259 ...
"EuroPVM/MPI 2007 - PARSIM 2007 - Current Trends in Numerical Simulation for Parallel Engineering Environments New Directions ... Interactive WYSIWYG Book Software for Teaching Programming, In Proc. of the Workshop on Developing Computer Science Education ... but they are translated into objects which are then exercised by a simulation engine. The simulation engine is not specified by ... The free simulation environment Scicos uses a subset of Modelica for component modeling. Support for a larger part of the ...
... "embarrassingly parallel" tasks. Software refers to parts of the computer which do not have a material form, such as programs, ... Supercomputers usually see usage in large-scale simulation, graphics rendering, and cryptography applications, as well as with ... such as optical computers, DNA computers, neural computers, and quantum computers. Most computers are universal, and are able ... These programs enable computers to perform a wide range of tasks. A computer system is a "complete" computer that includes the ...
... is computer software for molecular dynamics simulation, written using the Charm++ parallel programming model. It is noted for ... as a parallel molecular dynamics code enabling interactive simulation by linking to the visualization code VMD. NAMD has since ... and the Parallel Programming Laboratory (PPL) at the University of Illinois at Urbana-Champaign. It was introduced in 1995 by ... "NAMD A Parallel Object-Oriented Molecular Dynamics Program" (PDF). "NAMD: Scalable Molecular Dynamics". Theoretical and ...
He developed integrated circuits for early parallel computers and undertook pioneering work in high performance computer image ... a California high performance computer graphics company, developing 3D simulation systems for NASA and aerospace, architecture ... He worked as an expert for the EU's European Strategic Program on Research in Information Technology; for the UK's Science and ... on advanced computer architectures and also developed London University's successful bid to establish its Centre for Parallel ...
He then joined the PhD program in computer science at the University of Utah and worked at the Scientific Computing and Imaging ... where he helped develop high-performance simulation software for parallel computing. He was the primary developer of SPaSM ( ... He has served on the program committees for PyCon and the O'Reilly Open Source Convention, and was elected a fellow of the ... Following his PhD in 1998, he joined the Computer Science Department at the University of Chicago, and received a National ...
The program uses extensive computer simulation and modelling, particularly of the weapon action. This reduces both time and ... The program minimized development risk: it used G11 technology that had been on the verge of deployment; and the parallel ... Despite this, the program is using the M855 5.56×45mm round to provide comparison with existing weapons. The program has listed ... The Lightweight Small Arms Technologies (LSAT) program is funded by the U.S. Joint Service Small Arms Program, with the goal of ...
... is a computer program to perform collisionless N-body simulations. It can perform cosmological simulations with periodic ... ChaNGa makes use of the Charm++ parallel programming system, including its dynamic load balancing schemes, in order to scale to ... GADGET GRAPE University of Washington ChaNGa website Charm++ web page at the Parallel Programming Lab, UIUC ChaNGa Wiki ... Simulation results have been reported on up to 20,000 IBM Bluegene/L processors [1]. For more information on obtaining, ...
The Simulation Council (or Simulations Council) was an association of analog computer users in US. It is now known as The ... It consisted of over 4000 electron tubes and used 100 dials and 6000 plug-in connectors to program. The MONIAC Computer was a ... One key to the speed of analog computers was their fully parallel computation, but this was also a limitation. The more ... UK Accessed February 2007 German computer museum with still runnable analog computers Analog computer basics Analog computer ...
Harman has also been working on "web-enabled simulation", a technology which uses a parallel version of Facebook to enable ... He has contributed particularly in the areas of program slicing and program transformation. He is on the editorial boards of a ... CS1 maint: discouraged parameter (link) "Mark Harman • IEEE Computer Society". Retrieved 23 February 2019. " ... Mark Harman is a British computer scientist. Since 2010, he has been a Professor at University College London (UCL) and since ...
The Simulation Council (or Simulations Council) was an association of analog computer users in USA. It is now known as The ... The Heathkit EC-1, a $199 educational analog computer, was made by the Heath Company, USA c. 1960.[26] It was programmed using ... One key to the speed of analog computers was their fully parallel computation, but this was also a limitation. The more ... An analog computer or analogue computer is a type of computer that uses the continuously changeable aspects of physical ...
"Indeed, the same computer code can be viewed simultaneously as a 'natural simulation' or as a solution of the equations by ... Many problems can be phrased in this way: for example, a computer chess program could be seen as trying to find the set of, say ... Chaslot, Guillaume M. J. -B; Winands, Mark H. M; Van Den Herik, H. Jaap (2008). Parallel Monte-Carlo Tree Search. Lecture Notes ... Sawilowsky distinguishes between a simulation, a Monte Carlo method, and a Monte Carlo simulation: a simulation is a fictitious ...
Flocking behavior was simulated on a computer in 1987 by Craig Reynolds with his simulation program, Boids. This program ... There are parallels with the shoaling behavior of fish, the swarming behavior of insects, and herd behavior of land animals. ... Computer simulations and mathematical models which have been developed to emulate the flocking behaviors of birds can also ... In flocking simulations, there is no central control; each bird behaves autonomously. In other words, each bird has to decide ...
Program: [email protected]) This simulation was run in 200,000 CPU's of participating personal computers around the world. These ... Long continuous-trajectory simulations have been performed on Anton, a massively parallel supercomputer designed and built ... MD simulation of the full satellite tobacco mosaic virus (STMV) (2006, Size: 1 million atoms, Simulation time: 50 ns, program: ... Molecular dynamics (MD) is a computer simulation method for studying the physical movements of atoms and molecules. The atoms ...
... and parallel simulation. He has developed an Internet of Things (IoT) platform called IoTtalk. This platform has been used for ... Computer Networks. 鄭., Cheng, P., 林., 陳., Lin, Y., & Chen, R. (2013). 長期演進技術之加強單一無線語音通話連續性的限制通話轉移次數研究. 林., Lin, P., 林., 陳., Lin ... In 1985, he undertook a doctorate program at the University of Washington (Advisor: Ed Lazowska), and graduated with a Ph.D. in ... Mathematical and Computer Modeling. Lin, Y., Huang-Fu, C., & Alrajeh,
Fuchs's research indicates that the universe is a computer simulation, and that the Mandela Effect is the result of its program ... rather than due to parallel universes. Brendan and Dr. Fuchs theorize that the simulation could be interrupted by overloading ... Brendan returns to his house and finishes the computer program that could interrupt the simulation. He breaks into the college ... it with a computer program, and Dr. Fuch's old college campus harbors a quantum computer capable of such a task. This ...
... computer programming, algorithms, and parallel computing play a major role in CSE. The most widely used programming language in ... computer simulation is essential to business and research. Computer simulation provides the capability to enter fields that are ... through change in computer architecture, parallel algorithms etc.) Modeling and simulation Algorithms for solving discrete and ... CSE should neither be confused with pure computer science, nor with computer engineering, although a wide domain in the former ...
BBN also is well known for its parallel computing systems, including the Pluribus, and the BBN Butterfly computers, which have ... Other well-known BBN computer-related innovations include Interlisp programming language, the TENEX operating system, and the ... a military simulation game developed with DARPA since 2003 George G. Robertson Richard E. Hayden Interlisp The same idea had ... created the Logo programming language, conceived by BBN consultant Seymour Papert as a programming language that school-age ...
A Statistical Study of the Factors that Affect the Performance of a Class of Parallel Programs on a MIMD Computer, in: ... Springer 1991 Studying the performance properties of concurrent programs by simulation experiments on synthetic programs ACM ... A Statistical Approach to Finding Performance Models of Parallel Programs, in: Hillston, King, Pooley eds., 7th UK Computer and ... Candlin moved on to teach more advanced students, designed courses on real-time programming, and also on parallel programming ...
"Characterizing correctness properties of parallel programs using fixpoints", Automata, Languages and Programming, Lecture Notes ... Science of Computer Programming 46(3):255-281, 2003 Müller-Olm, M., Schmidt, D.A. and Steffen, B. Model checking: a tutorial ... Lam K., William (2005). "Chapter 1.1: What Is Design Verification?". Hardware Design Verification: Simulation and Formal Method ... International Symposium on Programming, Lecture Notes in Computer Science, 137: 337-351, doi:10.1007/3-540-11494-7_22, ISBN 978 ...
... and Computer Science International Journal of Mobile and Blended Learning International Journal of Modelling and Simulation ... and Applications ACM Transactions on Programming Languages and Systems ACM Transactions on Software Engineering and Methodology ... Mobile Computing and Communications Review Molecular Informatics Natural Computing Neural Networks Neurocomputing Parallel ... The Collection of Computer Science Bibliographies Lists List of important publications in computer science List of computer ...
... and parallel programming models (such as algorithmic skeletons) have been created for programming parallel computers. These can ... Finite-state machine simulation Parallel computing can also be applied to the design of fault-tolerant computer systems, ... Parallel programming languages and parallel computers must have a consistency model (also known as a memory model). The ... Subtasks in a parallel program are often called threads. Some parallel computer architectures use smaller, lightweight versions ...
Better branch predictors are developed and validated statistically by running them in simulation on a variety of test programs ... because instructions that could otherwise operate in parallel (in several execution units) need to set the flag bits in a ... A branch is an instruction in a computer program that can cause a computer to begin executing a different instruction sequence ... Knuth, Donald (2008). The Art of Computer Programming. Volume 4, Pre-fascicle 1A (Revision 6 ed.). pp. 48-49.. ...
... but recently physical simulation has become more popular as computers have become more powerful computationally. ... Note that there is some confusion since the word "shader" is sometimes used for programs that describe local geometric ... History of Computer Graphics series of articles. University groups[edit]. *Computer Graphics Usability and Visualization Group ... Computer Graphics and User Interfaces Lab at Columbia University. *High Performance Computer Graphics Lab at Purdue University ...
Southwest Airlines researcher Douglas A. Lawson used an ant-based computer simulation employing only six interaction rules to ... The program can even alert a pilot of plane back-ups before they happen. "We can anticipate that it's going to happen, so we'll ... Nasuto, S.J., & Bishop, J.M., (1999), Convergence of the Stochastic Diffusion Search, Parallel Algorithms, 14:2, pp: 89-107. ... Crowd simulation[edit]. Artists are using swarm technology as a means of creating complex interactive systems or simulating ...
... is widely used to experiment in mathematics and to design the formulas that are used in numerical programs. It ... Symbolic simulation. *Symbolic artificial intelligence. References[edit]. *^ "ACM Association in computer algebra".. .mw-parser ... Programming an efficient implementation of the arithmetic operations is a hard task. Therefore, most free computer algebra ... In mathematics and computer science,[1] computer algebra, also called symbolic computation or algebraic computation, is a ...
... kicking off an applied research program that would be ongoing for several decades.[17] The program was eventually taken over by ... Otherwise, shunt diodes can reduce shadowing power loss in arrays with series/parallel connected cells.[citation needed] ... An online simulation tool is available to model the performance of bifacial modules in any arbitrary location across the entire ... which is used in computer chips as well as solar panels). The recession of 2008 and the onset of Chinese manufacturing caused ...
"Leader of Battery Safety & Battery Regulation Programs - PBRA" (PDF). Archived from the original (PDF) on 7 October 2011. ... Battery packs will always incorporate many discrete cells connected in series and parallel to achieve the total voltage and ... In addition, climatic chambers control environmental conditions during testing and allow simulation of the full automotive ... laptop computers, mobile phones, and power tools. The BEV and HEV marketplace has reaped the benefits of these advances both in ...
This type of communication can transmit voice, video, and telemetry through local area networks, computer networks, or across ... "Single-source chip-based frequency comb enabling extreme parallel data transmission". Nature Photonics (volume 12, pages 469- ... The information transmitted is typically digital information generated by computers, telephone systems and cable television ... its absence of ground currents and other parasite signal and power issues common to long parallel electric conductor runs (due ...
ENERGY STAR for Computer Servers program. Designed to be simple to configure and use via a comprehensive graphical user ... chess programs etc. CFP2006 ("SPECfp"), testing floating point performance, with physical simulations, 3D graphics, image ... SPEC MPI2007, MPI2007 is SPEC's benchmark suite for evaluating MPI-parallel, floating point, compute intensive performance ... the chemistry program gamess, and the weather program WRF. The various tasks are equally weighted; no attempt is made to weight ...
Computer simulations and molecular dynamics approaches revealed the atomistic motions associated with the molecular recognition ... The similarity of the word to "genetics" has generated many parallel usages. The "epigenome" is a parallel to the word "genome ... or be part of normal developmental program. The standard definition of epigenetics requires these alterations to be heritable,[ ... Waddington in 1942 as pertaining to epigenesis in parallel to Valentin Haecker's 'phenogenetics' (Phänogenetik).[12] Epigenesis ...
Computer Based Learning - Computer Supported Cooperative Learning - Computer-adaptive test - Computer-based training - Concept ... Pair by association - Parallel education - Parallel tempering - Parents' Rights Coalition - Parent-Teacher Association - ... Program evaluation - Programmed instruction - Project-based learning - Propositional knowledge - Prospective memory - Pro-Vice- ... Simulation heuristic - Single-sex education - Situated cognition - Situated learning - Slater Fund - Sleep-learning - Slöjd - ...
Few are alike, and those varied programs have a wide variety of features-a mixture of the old and the new-with, in more cases ... Typically, some process tasks will be manual, while some will be computer-based, and these tasks may be sequenced in many ways ... A single workflow may either be sequential, with each step contingent upon completion of the previous one, or parallel, with ... Giaglis, G.M.; Paul, R.J. (2012). "It's Time to Engineer Re-engineering: Investigating the Potential of Simulation Modelling ...
CARL - Institutional Repositories Program Archived 2013-06-07 at the Wayback Machine. Retrieved on 2013-06-12. ... In 2002, the University of Southampton's School of Electronics & Computer Science became one of the first schools to implement ... Insights from a Simulation Study". Journal of the American Society for Information Science and Technology. 64 (4): 701-726. doi ... receiving wider feedback in parallel with or before peer review, and facilitating wider collaborations.[100] ...
Simulation, validation and optimization tasks are carried out using CAE (computer-aided engineering) software either integrated ... In parallel, the initial concept design work is performed defining the aesthetics of the product together with its main ... During 1982-83, Rockwell International developed initial concepts of PDM and PLM for the B-1B bomber program.[8] The system ... This involves CAPE (Computer Aided Production Engineering) or CAP/CAPP (Computer Aided production planning) tools for carrying ...
JaRMoS: JaRMoS stands for "Java Reduced Model Simulations" and aims to enable import and simulation of various reduced models ... libROM includes scalable and parallel, adaptive methods for proper orthogonal decomposition, parallel, non-adaptive methods for ... Computer Methods in Applied Mechanics and Engineering. 303: 35-54. doi:10.1016/j.cma.2015.12.029. ISSN 0045-7825.. ... The core of the project is a header-only C++ library that leverages generic programming to interface with shared or distributed ...
Automatic Orchestra Control, later renamed Automatic Organ Computer, came on the scene in 1963. / In 1969, Lowrey introduced ... Pipe organ simulations. To better simulate pipe organs, some digital organs emulate changes of windchest pressure caused by the ... The first digital sampler instrument may be implemented on EMS Musys (programming language) c. 1969, or EMS DOB (Digital ... in parallel to generate pipe organ sound with stereo imaging. Sounds in other digital organs are derived from DSPs in either a ...
... in a team with computer scientists. Essentially, it turned out that the computer guys did not know enough to weigh in as much ... Electric current is defined in terms of the force between two infinite parallel conductors, separated by a specified distance. ... The end proof may be the final results (reasonable facsimile by simulation or artifact, working design, etc.) that are not ... Some knowledge-based engineering projects experienced similarly that there is a trade-off between trying to teach programming ...
For the U.S. urban aid program of the 1960s and 1970s, see Model Cities Program. ... Today, it hosts a computer industry known as the "Soviet/Russian Silicon Valley", and remains an important center of ... and roughly parallel to the course of the Yarra River. The deliberate exclusion of city squares or open space within the grid ... Modeling and Simulation in Science, Engineering and Technology, Springer International Publishing, pp. 93-121, doi:10.1007/978- ...
Flocking behavior was simulated on a computer in 1987 by Craig Reynolds with his simulation program, Boids.[2] This program ... There are parallels with the shoaling behavior of fish, the swarming behavior of insects, and herd behavior of land animals. ... Computer simulations and mathematical models which have been developed to emulate the flocking behaviors of birds can generally ... NetLogo, a free software for multi-agent modeling, simulation, and the like, including a flocking simulation. ...
... to computer-generated simulations of aerial predators". Animal Behaviour. 46: 1-11. doi:10.1006/anbe.1993.1156.. ... Bioacoustic Research Program at the Cornell Lab of Ornithology distributes a number of different free birdsong synthesis & ... "Parallel FoxP1 and FoxP2 expression in songbird and human brain predicts functional interaction". J. Neurosci. 24 (13): 3152- ... analysis programs.. *Macaulay Library at the Cornell Lab of Ornithology is the world's largest collection of animal sounds and ...
... a computer scientist from Microsoft. Myhrvold carried out a computer simulation of the tail, which in diplodocids like ... when in life they would have remained parallel.[8] Brontosaurus had a single large claw on each forelimb, and the first three ... Geological Society of America Abstracts with Programs. 38 (6): 7.. ... This computer modeling suggested that sauropods were capable of producing a whip-like cracking sound of over 200 decibels, ...
List of computer algebra systems. *List of constraint programming languages. *List of numerical libraries ... A parallel deterministic global MINLP solver. Octeract Engine Community is a full version of the solver that is free to use for ... COMSOL Multiphysics - a cross-platform finite element analysis, solver and multiphysics simulation software. ... integer programming, linear programming, nonlinear programming Dlib. Boost Software License Unconstrained/box-constrained ...
For example, the program Fractint uses turtle graphics (similar to those in the Logo programming language) to produce screen ... Grzegorz Rozenberg, Arto Salomaa - Lindenmayer Systems: Impacts on Theoretical Computer Science, Computer Graphics, and ... An L-system or Lindenmayer system is a parallel rewriting system and a type of formal grammar. An L-system consists of an ... Branching: L-system Tree A Java applet and its source code (open source) of the botanical tree growth simulation using the L- ...
Main article: Message passing in computer clusters. See also: Parallel computing and Parallel programming model ... RIKEN press release, Completion of a one-petaFLOPS computer system for simulation of molecular dynamics ... Massively parallel designsEdit. Main articles: Supercomputer architecture and Parallel computer hardware ... Network and Parallel Computing. Lecture Notes in Computer Science. 3779. pp. 132-143. doi:10.1007/11577188_18. ISBN 978-3-540- ...
Computer simulation of ionization and fragmentation processes occurring in mass spectrometer is the primary tool for assigning ... Two were taken to Mars by the Viking program. In early 2005 the Cassini-Huygens mission delivered a specialized GC-MS ... quadrupole field created between 4 parallel rods. Only the ions in a certain range of mass/charge ratio are passed through the ... A computer directed all operations of the system. The data collected from the mass spectrometer was delivered to the individual ...
... simulation programs, plug connectors and cables, mounting systems, overall efficiency of inverters etc.[142] ... which has no fundamental difference to the material for making computer chips. The process of producing PV cells (computer ... It is sometimes necessary or desirable to connect the modules partially in parallel rather than all in series. One set of ... This theory was reconfirmed with numerical simulations using per second solar flux data to determine that the necessary battery ...
Levine, N. (2010). CrimeStat: A Spatial Statistics Program for the Analysis of Crime Incident Locations. Version 3.3. Ned ... Simulation and modeling[edit]. Spatial interaction models are aggregate and top-down: they specify an overall governing ... A computer software fitting straight lines to the curve of a coastline, can easily calculate the lengths of the lines which it ... For example, "Manhattan" (or "Taxicab") distances where movement is restricted to paths parallel to the axes can be more ...
Computer programs that allow the creation of a hearing aid using a PC, tablet or smartphone are currently gaining in popularity ... The first stage - the widespread usage of computer simulation for the analysis of systems and algorithms for audio processing.[ ... Further development of the DHA is associated with the creation of microprocessors with parallel processing of data arrays.[52] ... The hearing professional programs the hearing aid with an external computer temporarily connected to the device and can adjust ...
... animated simulations of another computer program, without writing code. Application simulation software allows both technical ... Key to the success of the ERD-based projects is parallel exploratory analysis and development of features, infrastructures, and ... Application definition or simulation software[edit]. A new class of software called Application definition or simulation ... To simulate applications one can also use software that simulates real-world software programs for computer-based training, ...
Computer simulation of ionization and fragmentation processes occurring in mass spectrometer is the primary tool for assigning ... Programmed cell death Apoptosis. Pyknosis. Karyorrhexis. Karyolysis. Accumulations. pigment Hemosiderin. Lipochrome/Lipofuscin ... quadrupole field created between 4 parallel rods. Only the ions in a certain range of mass/charge ratio are passed through the ... Two were taken to Mars by the Viking program. In early 2005 the Cassini-Huygens mission delivered a specialized GC-MS ...
... parallel simulation and parallel execution of computer programs and hardware models. The invention utilizes a hardware ... in order to efficiently support parallel database clients such as a source code analyzer, an elaborator, an optimizer, mapping ... and scheduling, code generation, linking/loading, execution/simulation, debugging, profiling, user interface and a file ... compiler-oriented database is disclosed with operating modes including parallel compilation, ...
Below is a list of all articles, highlights, profiles, projects, and organizations related specifically to computer science and ... Formal Analysis of MPI-based Parallel Programs * Birth of the Universe, Direct Numerical Simulations of Cosmological ... Below is a list of all articles, highlights, profiles, projects, and organizations related specifically to computer science and ... describe a set of ground-breaking collaborative astrophysics simulations. ...
In this simulation, you can investigate a relatively simple capacitor, known as a parallel-plate capacitor. It consists of two ... identical metal plates, placed parallel to one another. The capacitor can be… ... 0 Computer Program. %A Duffy, Andrew. %D June 8, 2008. %T Ejs model of a parallel-plate capacitor. %8 June 8, 2008. %9 Ejs ... Ejs model of a parallel-plate capacitor:. Is Based On Easy Java Simulations Modeling and Authoring Tool The Easy Java ...
Mapping Parallel Program Graphs onto Graphs of Distributed Computer Systems by Neural Network Algorithms. (Mikhail S. Tarkov) ... Parallel Simulation of Asynchronous Cellular Automata. (Konstantin Kalgin) Chapter 92. XPU: A C++ Metaprogramming Approach to ... Early Learning in Parallel Programming. (Igor N. Skopin) Chapter 95. Sub-Independence: A Useful Concept. (G. G. Hamedani and ... Lattice Gas Cellular Automata for a Flow Simulation and Their Parallel Implementation. (Yury G. Medvedev) ...
... and the parallel problems , can be solved 1:1 on parallel computers - and programming simulations , and so on will be , really ... just describe the parallel stuff in a concurrent , language and the program , writes itself. Wait a few years till we have ... Also as an ex physicist I realize that things do actually happen in , parallel in the real world, , so modelling them in a ... turn this into computer science , and the same arguments , apply to things like making sure replicated data is consistent on , ...
Computer Graphics on Massively Parallel Machines. PhD thesis, Cornell University, 1989.. *Wayne Lytle. A modular testbed for ... Computer simulation of foliage effects on building energy load calculations. Masters thesis, Cornell University, 1979. ... Computer Graphics Techniques for Opera Lighting Design and Simulation. PhD thesis, Cornell University, 1993. ... Computer graphics for acoustic simulation and visualization. Masters thesis, Cornell University, 1989. ...
He has a speaker in the Distinguished Visitor program of the IEEE Computer Society. He has co-chaired the Technical Program ... His research interests include mobile/wireless networking, performance evaluation and parallel discrete event simulation. Samir ... in Computer Science and Engineering from IIT Kharagpur, and his M.S. in Computer Science from Cornell University. During the ... Louis in 2001 and a Master in Computer Engineering from Chinese Academy of Sciences in 1999. He received his B.S. in Computer ...
Improving Lookahead in Parallel Discrete Event Simulations of Large-Scale Applications Using Compiler Analysis ... This tutorial gives an overview of technologies to distribute the execution of simulation programs over multiple computer ... Synchronization methods in parallel and distributed discrete-event simulation by Shafagh Jafer, et al. - SIMULATION MODELLING ... Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) 2005 Parallel and Distributed Simulation Systems ...
Electric propulsion plume simulations using parallel computer. Scientific Programming 15(2): 83-94 (2007). ... Seung In Park, Sean P. Ponce, Jing Huang, Yong Cao, Francis K. H. Quek: Low-cost, high-speed computer vision using NVIDIAs ...
Virtually every organization relies heavily on computers. Computer scientists write programs, develop algorithms and design ... Computer Simulation. 3. or. CPSC 330 Parallel Programming. 4. or. CPSC 442 ... Why Choose Applied Mathematics/Computer Science Concentration?. The need for people with a computer science background is very ... Consult the Required Courses above or the program advisor for program specific General Education requirements. ...
... technical journals and research papers for international conferences in the general areas of engineering and computer science. ... Modelling and Simulation • M-commerce • E-commerce • Electronic Banking • E-publishing • Cryptography • Law and Technology • ... Network Programming • Communication Software • Software Agents • Artificial Intelligence Applications • ... Video Conferencing • Collaborative Systems • Parallel and Distributed Systems • Distance Education • Information Systems • The ...
Parallel & Distributed Simulation. Programming Environments & Tools. Parallel Algorithms & Architectures. System Performance ...
Auditor processes data with clients computer - fake transactions are used to test program control procedures.. Each control ... How is Parallel Simulation utilized during an audit? Client data is processed using Generalized Audit Software (GAS). Sample ... Software that translates source program (similar to English) into a language that the computer can understand ... A Code Review tests a programs processing logic.. Advantageous because auditor gains a greater understanding of the program. ...
A domain-specific programming language for particle simulations on distributed-memory parallel computers. In Proc. III Intl. ... the PPM Library, a parallel computing middleware for hybrid particle-mesh methods [19] and its domain-specific programming ... PPM - a highly efficient parallel particle-mesh library for the simulation of continuum systems. J. Comput. Phys., 215(2):566- ... a new class of exact simulation algorithms for biochemical networks in space [9] and time [10-12]. The algorithms are orders of ...
A domain-specific programming language for particle simulations on distributed-memory parallel computers. In: Particle-based ... A Domain-Specific Language and Scalable Middleware for Particle-Mesh Simulations on Heterogeneous Parallel Computers. Ph.D. ... Analysis, Modeling, and Simulation of Diffusion Processes in Cell Biology. Ph.D. Thesis,ETH Zurich, Department of Computer ... Large-scale parallel discrete element simulations of granular flow. In: Proceedings of the International Conference on Discrete ...
Maths/Physics/Computer Science. Experience of programming.. Mathematical, physical and life sciences project 8. Department of ... that parallel/convergent events are very unlikely? The latter suggestion would be much faster than simulation. ... Maths/Physics/Computer Science. Experience of programming.. Mathematical, physical and life sciences project 9. Department of ... Desirable: Some experience with computer programming.. Mathematical, physical and life sciences project 3. Mathematical ...
The mathematical aspects are complemented by a basic introduction to wave physics, discretization, meshes, parallel programming ... In a unique setup you can see how the mathematical equations are transformed to a computer code and the results visualized. The ... The basics of parallel computers and parallel programming are discussed and their impact on realistic simulations. The specific ... Computers, Waves, Simulations: A Practical Introduction to Numerical Methods using Python. *. ...
... high-quality original papers in the computer and information ... ... International Journal of Parallel Programming is a forum for ... Special Issue: Embedded Computer Systems: Architectures, Modeling and Simulation. View all volumes and issues ... high-quality original papers in the computer and information sciences, focusing specifically on programming aspects of parallel ... A Comparative Survey of Big Data Computing and HPC: From a Parallel Programming Model to a Cluster Architecture Authors. *Fei ...
A program was developed for a computer equipped with parallel logic elements. Experience with the system shows it to be a very ... The usefulness of a digitally controlled analog computer in studying digital detection systems was examined. ... A program was developed for a computer equipped with parallel logic elements. Experience with the system shows it to be a very ... Title : SIMULATION OF A DIGITAL DETECTION SYSTEM USING A DIGITALLY CONTROLLED ANALOG COMPUTER. ...
Besides programming the robots directly at the line, simulation is another essential aspect of the practical training program. ... Long-stroke grippers, parallel grippers. *Stationary color camera, reflex sensor, optical waveguide including computer with ... In the second part of the training (CAM), students deal with the computer-aided generation of milling programs. This part of ... The experimental setupst have been specially developed for the degree program. In practical trainings of the modul Simulation ...
... refers to the execution of a single discrete event simulation program on a parallel computer. PDES has attracted a considerable ... Parallel discrete event simulation (PDES), sometimes I called distributed simulation, ... From a pragmatic standpoint, this interest arises from the fact that large simulations in engineering, computer science, ... military apphcations large simulation recent year arallel discrete event simulation parallel computer pragmatic standpoint ...
... is a parallel programming approach for exploiting on-chip parallelism. Its fine-grained SPMD programming model is suitable for ... COMPUTER. ... we present a parallel gate level logic simulation algorithm and ... PROTOTYPING THE SIMULATION OF A GATE LEVEL LOGIC APPLICATION PROGRAM INTERFACE (API) ON AN EXPLICIT-MULTI-THREADED (XMT) ...
Linear-scaling density functional simulations on parallel computers". J. Chem. Phys. 122 (8): 084119. Bibcode:2005JChPh. ... Density functional theory Quantum chemistry computer programs ONETEP official website C.-K. Skylaris; P. D. Haynes; A. A. ... is a linear-scaling density functional theory software package able to run on parallel computers. It uses a basis of non- ...
MIMD parallel computer; multiprocessing systems; network simulation program; parallel programming; performance gains; ... parallel programs; parallel programming; program debugging; program testing; programming environments; prototype system; SIMD ... execution-driven simulations; miss rate; parallel algorithms; parallel programming; parallel programs; performance comparison; ... computers); parallel architectures; parallel machines; parallel programming; parallelizing compiler; program compilers; time- ...
Computational Science and Engineering aims at the development of methods that rely on computers and mathematics to model, ... You can for example choose to specialise in parallel programming, financial mathematics and advanced computer graphics. You ... Modelling and Simulation. Matrix Computations and Applications Numerical Methods for Partial Differential Equations Non-Linear ... Computational Science and Engineering is a field of knowledge aiming at the development of methods that rely on computers and ...
Simulation and Modeling. CS 54300, 54400. Software Engineering. CS 51000. Systems I (Compilers and Programming Languages). CS ... Parallel and Distributed Computing. CS 52500,. 60300. Security. CS 52600, 52700e, 52800e, 55500. 62600, 65500. ... Masters programs typically take three or four semesters. The practical maximum load is four courses per semester and two in ... One more Level 5 or 6 course (not necessarily in Computer Science), which may not be an individual study course. Follow this ...
516 Programming Languages and Compilers II. 519 Operating Systems Theory. 523 Computer Graphics. 528 Parallel Numerical ... Numerical Computing, Modeling and Simulation. 424 Modeling and Simulation of Continuous Systems. 425 Computer Methods in ... Search Engines, sparse matrices, Parallel algorithms. (Gerasoulis). Computer and Software Systems. *Computer networking, ... 505 Computer Structures. 507 Advanced Computer Architecture. 515 Programming Languages and Compilers I. ...
Computer Science books at E-Books Directory: files with free access on the Internet. These books are made freely available by ... Modeling & Simulation (17). Programming Language Theory (39). Security & Cryptography (33). Software Engineering (27). Theory ... This text covers: computer architecture, parallel computers, machine arithmetic, numerical linear algebra, applications. (8113 ... Computer Science is not programming. Programming is a necessary skill, but it is only the beginning. (1317 views). Computer ...
Computer simulations, Photon transport, Algorithm development, Copper, Computer programming, Parallel computing, 3D modeling, ... Scalable and massively parallel Monte Carlo photon transport simulations for heterogeneous computing platforms ... A number of parallel computing techniques are investigated to achieve portable performance over a wide range of computing ... In simulation, it is proved that IPR based on weighted feedback accelerates the convergence in partially coherent illumination ...
In particular, aerospace engineering, bioengineering, chemical engineering, computer engineering, electrical engineering, ... From a practical point of view, this approach can achieve higher accuracy with more easily coded computer programs. Therefore, ... Assume that permeable pipes in fields are parallel and have the same spacing and depth. Figure 1 shows a soil profile which is ... T. J. Liszka, C. Duarte, and W. W. Tworzydlo, "Hp-meshless cloud method," Computer Methods in Applied Mechanics and Engineering ...
  • A Proposed Framework for Interactive Virtual Reality In Situ Visualization of Parallel Numerical Simulations. (
  • The focus in the computer sciences is on cluster computing, performance analysis of parallel programs, visualization, computational steering and grid computing. (
  • Cerius2 is a commercial multimodule software package that are capable of doing a wide variety of computations related to stuctural biology, chemistry, material science and physics from structural visualization, ligand docking, molecular simulation to quantum chemistry calculation. (
  • The museum specified the use of scientific visualization, as opposed to artist s renditions, to convey the process that scientists use to understand simulation results. (
  • Data Explorer provides a full collection of visualization operators and allows for fast program creation via a data-flow program graph editor. (
  • We also work on the multiphysics simulation and visualization tools. (
  • For instance, LLNL's flagship simulation tool, VisIt -an open-source interactive parallel visualization and graphical analysis tool used around the world-is operated and maintained by ASQ staffers. (
  • Why Choose Applied Mathematics/Computer Science Concentration? (
  • The Applied Mathematics program leads to a bachelor of science degree. (
  • Computational Science and Engineering often combines several different disciplines including computer science, numerical analysis, applied mathematics, physics, biology and economy. (
  • NAMD has demonstrated its performance on several parallel computer architectures. (
  • A significant computational gain can be achieved through concurrent programming by exploiting parallel and distributed processing capabilities of current computer system architectures. (
  • In this paper, we consider the performance and scalability of two important combinatorial algorithms, list ranking and connected components, on two types of shared-memory computers: symmetric multiprocessors (SMP) such as the Sun Enterprise servers and multithreaded architectures (MTA) such as the Cray MTA-2. (
  • Rapid evolution of computer processor architectures has spawned multiple programming languages and standards. (
  • One specific scientific area that the museum wants to highlight is that of modeling and simulation. (
  • Because of this, we were asked to participate in the design of, and provide content for, five exhibits designed to showcase modeling and simulation of individual earth processes. (
  • The modeling and simulation exhibits will consist of five video display stations distributed throughout the hall. (
  • Modeling and Simulation of Discrete Event Robotic Systems Using Extended Petri Nets. (
  • In this paper, we present a parallel gate level logic simulation algorithm and study its implementation on an XMT processor. (
  • A fast parallel algorithm for six-colouring of planar graphs. (
  • Relevant experience must be in a computer science area (i.e. theoretical or applied), designing/developing/using/evaluating mathematic models, methods, and/or techniques (e.g., algorithm development) to study issues and solve problems, engineering (electrical or computer), and/or high performance computing. (
  • Numerical examples illustrate the capability of the proposed algorithm in comparison to simulation. (
  • We compare the models for SMPs and the MTA and discuss how the difference affects algorithm development, ease of programming, performance, and scalability. (
  • However, these parallel implementations of the Shiloach-Vishkin algorithm do not achieve any parallel speedups over arbitrary, sparse graphs against the best seq. (
  • In this paper we design and implement four parallel MST algorithms (three variations of Bor˚uvka plus our new approach) for arbitrary sparse graphs that for the first time give speedup when compared with the best sequential algorithm. (
  • In this work, an adaptive parallel PSO algorithm, which is based on the dynamic exchange of control parameters between adjacent swarms, has been developed. (
  • Suzuki, M. (2016) Adaptive Parallel Particle Swarm Optimization Algorithm Based on Dynamic Exchange of Control Parameters. (
  • A simplified description of the standard molecular dynamics simulation algorithm, when a predictor-corrector-type integrator is used. (
  • Problem-solving techniques and algorithm development with emphasis on program design, introductory numerical methods and object-oriented programming from the client perspective. (
  • This is a list of examples of early computation devices considered precursors of the modern computers. (
  • This is a list of examples of early computation devices which are considered to be precursors of the modern computers. (
  • The Concentration in Computer Science and Engineering is devoted to the study of the science of computation, computer algorithms and computing systems, and applications. (
  • Since then computer science has expanded to include many more specialties, and the field of scientific computing has itself grown to become what it is today: a field which comprises a rich variety of interrelated engineering and theoretical core disciplines, including, for example, numerical analysis, matrix computation, sparse matrix methods, and parallel numerical algorithms. (
  • Most applications require a mix of sequential and data-parallel computation, and modern computer systems are evolving to support these needs. (
  • Massively Parallel Computation, Computer Architecture, Large-Scale Simulation of Memory and Perception in Mammalian Brains. (
  • International Journal of Parallel Programming is a forum for the publication of peer-reviewed, high-quality original papers in the computer and information sciences, focusing specifically on programming aspects of parallel computing systems. (
  • The usefulness of a digitally controlled analog computer in studying digital detection systems was examined. (
  • Computational Science and Engineering is a field of knowledge aiming at the development of methods that rely on computers and mathematics to model, simulate and visualise various kinds of systems, in nature and society. (
  • The methods can be applied to everything from making risk analyses to exploring ecological systems or making computer games and special effects in movies. (
  • The VILLAGE (vision, interaction, language, logic and graphics environment) carries out research in the eponymous subjects under the broad aim of developing interactive testbeds in which computer systems are given a more active role in interpreting the environment around them and the actions and intentions of their users. (
  • The DISCO group is exploring systems issues in distributed and parallel computing. (
  • NSA's Computer Science field offers participation in a vast array of challenging projects, systems, networks and applications necessary to manipulate and analyze enormous volumes of data at staggering speeds. (
  • The simulation of complex systems in natural science or engineering depends on the development of adequate mathematical models. (
  • JSC meets the challenges that arise from the development of exaflop systems - the computers of the next supercomputer generation. (
  • Research and development is especially done on cluster systems, quick network connections and optimization of parallel programs. (
  • Students can choose from the Computer Systems option (accredited by the Computing Accreditation Commission of ABET, in both Bachelors of Science degrees and in Honors Bachelors of Science degrees), or an applied option including building their own custom curriculum, or minor in computer science. (
  • The Computer Systems Option is accredited by the Computing Accreditation Commission of ABET, in both Bachelors of Science degrees and in Honors Bachelors of Science degrees. (
  • The Computer Systems option gives students the necessary training and preparation that many large companies (such as Google, Apple, and Intel) desire. (
  • The 2014 International Conference on Industrial Electronics, Mechatronics, Automation, Computer Systems and Informatics (IMACSI 2014) is organized by Control Systems Society and Robotics and Automation Society Joint chapter of the IEEE Indonesia Section. (
  • The conference is the premier forum for the presentation of new advances and research results in varied disciplines and their associated applications in all aspects of Industrial Electronics, Mechatronics, Automation, Computer Systems and Informatics that consider on the improvement and the development for quality of human life and better living on Earth. (
  • Analog computers were widely used in scientific and industrial applications even after the advent of digital computers, because at the time they were typically much faster, but they started to become obsolete as early as the 1950s and 1960s, although they remained in use in some specific applications, such as aircraft flight simulators , the flight computer in aircraft , and for teaching control systems in universities. (
  • Programs or software systems for performing molecular dynamics simulations. (
  • The Dynamo module library has been developed for the simulation of molecular systems using hybrid quantum mechanical (QM) and molecular mechanical (MM) potentials. (
  • EGO was developed for the simulation of large molecular systems on parallel computers (under PVM, MPI or PARIX). (
  • The advent of digital computing made simple analog computers obsolete as early as the 1950s and 1960s, although analog computers remained in use in some specific applications, like the flight computer in aircraft , and for teaching control systems in universities. (
  • In this paper an approximate method is developed for the analysis of general queueing network models of computer systems with variable concurrency and synchronisation structures. (
  • Peterson J. and Bulgren N. Studies in Markov models of computer systems. (
  • Price T.G. Models of multiprogrammed computer systems with I/O buffering. (
  • Herzog U., Hoffman W. and Kleinoder W. Performance Modelling and Evaluation for hierarchical organised multiprocessor computer systems. (
  • Sauer C.H. and Chandi K.M. Computer systems performance modelling. (
  • Thomaisan A. and Bay P.F. Analytic queueing network models for parallel processing of task systems. (
  • Kouvatsos D.D. and Skliros A.P. General queueing network models of parallel task processing computer systems: A comparative study. (
  • Computer Science, Distributed Systems and Applications, Parallel Programming, Big Data Analytics Platform in Data Science. (
  • COMPUTER SYSTEMS ARCHITECTURE (INEL 6009) - Fundamentals of the architecture and organization of computers. (
  • NAMD is a highly-scalable parallel molecular dynamics simulator allowing for large scale modeling of cellular systems. (
  • NAMD, recipient of a 2002 Gordon Bell Award and a 2012 Sidney Fernbach Award, is a parallel molecular dynamics code designed for high-performance simulation of large biomolecular systems. (
  • Simulation of discrete systems: models of computer networks performance and functional and structural models of digital circuits. (
  • Such examples include the graph and mesh partitioning libraries, METIS and ParMETIS that can effectively decompose a variety of mesh-based parallel numerical simulations, the PSPASES library for solving symmetric positive definite systems on large numbers of processors and the MGridGen library for automatically generating a sequence of coarse grids for multigrid solvers. (
  • They have calculated unusual magnetic and electronic properties of materials, leading to the manufacture of novel electronic components or data storage systems on the basis of the knowledge acquired through simulations. (
  • Computer Simulations of Fuzzy Systems. (
  • plan9port - port of many Plan 9 programs from their native Plan 9 environment to Unix-like operating systems. (
  • Dynamic Data Driven Application Systems (DDDAS) A new paradigm for applications/simulations and measurement methodology … and how it would impact CyberInfrastructure! (
  • Molecular dynamics simulations are often used to study biophysical systems. (
  • For systems which obey the ergodic hypothesis , the evolution of one molecular dynamics simulation may be used to determine macroscopic thermodynamic properties of the system: the time averages of an ergodic system correspond to microcanonical ensemble averages. (
  • It was shown recently that it may be computationally advantageous to perform computer simulations in a Lorentz boosted frame for a certain class of systems. (
  • This chapter deals with modeling, simulation, and implementation problems encountered in robotic manufacturing control systems. (
  • We combine expertise from computer science, mathematics, physics, and biology in order to develop and apply computational methods for the study of spatiotemporal biological processes in 3D. (
  • The mathematical aspects are complemented by a basic introduction to wave physics, discretization, meshes, parallel programming, computing models. (
  • Specific entry requirements are: 60 ECTS that include a thesis comprising at least 15 ECTS in a computational science and engineering related subject (such as computational science and engineering, mathematics, computing science, or physics), 15 ECTS in Computing science, with a minimum of 7,5 ECTS in Programming and 7.5 ECTS in numerical methods. (
  • We can simulate physics on a computer. (
  • Los Alamos National Laboratory has a long history in this area through our involvement in programs such as the DOE Grand Challenges and the Institute for Geophysics and Planetary Physics. (
  • Regular and Irregular Meshes Computational science applications for physics-based simulations and c. (
  • For WCI's programs, stewardship physics computer simulations and code development are conducted on some of the world's most capable supercomputers, located here at LLNL. (
  • NAMD is a production molecular dynamics application for biomolecular simulations that include assemblages of proteins, cell-membranes and water molecules. (
  • the PPM Library , a parallel computing middleware for hybrid particle-mesh methods [19] and its domain-specific programming language [20]. (
  • Its fine-grained SPMD programming model is suitable for many computing intensive applications. (
  • Hypercomputing and design attempts to build on advances in massively parallel computing and in computer science and to develop a new generation of engineering automation technology that can bring about dramatic gains in productivity of the national industrial base. (
  • As a member of a technical mission office or the C2DP, Cryptanalytic Computer Scientists solve challenging cryptanalytic, high-performance computing, and computer network operations problems of critical importance to protecting the nation's interests in cyberspace. (
  • This article outlines the recent developments in the field of large-scale parallel computing applied to molecular simulations, also including some original, preliminary contributions of the authors. (
  • It is not meant to be an exhaustive review paper, but rather an introductive material aimed at narrowing the "cultural gap" between the developers and users of molecular simulations (chemists, medicinal chemists and biologists - typical workstation users) and the informatics experts in massively parallel computing. (
  • Now engineers can also ride this wave of cloud computing by leveraging the processing power of multiple computers in the cloud to visualize, design, and simulate their ideas. (
  • He believes cloud computing will allow simulation users to move past simple validation of parts to their optimization, because the actual number-crunching can now be pushed to the cloud. (
  • Cloud computing allows simulation users to move past simple validation of parts to their optimization. (
  • Now instead of running two or three simulations, design engineers can do dozens, hundreds, possibly even thousands of simulations and have the computing power they need. (
  • For the Atari 8-bit computer magazine, see ANALOG Computing . (
  • More complex applications, such as aircraft flight simulators and synthetic-aperture radar , remained the domain of analog computing (and hybrid computing ) well into the 1980s, since digital computers were insufficient for the task. (
  • and (4) implements heterogeneous parallel programming for the distribution of grid threats for Computer Unified Device Architecture (CUDA)-based GPU computing. (
  • Parallel Computing Works! (
  • Computational Chemistry, Parallel Programming, High Performance Computing. (
  • Currently the program offers two concentrations: Computer Science and Engineering and Scientific Computing. (
  • It currently includes research subjects and high-level courses in databases, networking, parallel and distributed computing, computational signal processing, and bioinformatics. (
  • The Concentration in Scientific Computing is devoted to the study of mathematical and statistical methods for the computer solution of problems in science and engineering. (
  • The doctoral program in Computing and Information Sciences and Engineering (CISE) is designed to prepare leaders of computing innovation for highly qualified careers in academia, government, and industry. (
  • Rooted in a well-established tradition of research in science and engineering disciplines, the program envisions computing and information sciences and engineering as an integrated activity resulting from a convergence of computer science, computer engineering and mathematics. (
  • Most of the previous attempts for improving the speed of MST using parallel computing are too complicated to implement or perform well only on special graphs with regular structure. (
  • Parallel Computing Toolbox™ lets you solve computationally and data-intensive problems using multicore processors, GPUs, and computer clusters. (
  • Without changing the code, you can run the same applications on a computer cluster or a grid computing service (using MATLAB Distributed Computing Server ™ ). (
  • Distribute computations across available parallel computing resources, and speed up your analysis or simulation tasks. (
  • Discover more about Parallel Computing Toolbox by exploring these resources. (
  • Explore documentation for Parallel Computing Toolbox functions and features, including release notes and examples. (
  • Browse the list of available Parallel Computing Toolbox functions. (
  • View system requirements for the latest release of Parallel Computing Toolbox. (
  • View articles that demonstrate technical advantages of using Parallel Computing Toolbox. (
  • Read how Parallel Computing Toolbox is accelerating research and development in your industry. (
  • Get started learning Parallel Computing Toolbox. (
  • There are many ways to start using Parallel Computing Toolbox. (
  • Test drive Parallel Computing Toolbox. (
  • Purchase Parallel Computing Toolbox and explore related products. (
  • Should scientific computing (or numerical analysis) be a part of computer science? (
  • Then the dominant topic was numerical computing, and the most common programming language was FORTRAN. (
  • Techniques of scientific computing are penetrating non-traditional areas, and this is changing the view of many computer scientists. (
  • Conversely, methods in scientific computing are utilizing tools from computer science. (
  • For example, Metis, a graph-partitioning tool developed by George Karypis and Vipin Kumar, is widely used as a prerequisite step in many high-performance computing jobs where parallel approaches, i.e., approaches that harness the power of many processors toward solving a big problem, are utilized. (
  • Scientists of the section JARA-HPC- short of High-Performance Computing- unite the specialist know-how of highly parallel computing on supercomputers with the respective special knowledge of physicians, engineers, and other scientific researchers. (
  • Scientists of the section JARA-HPC combine the necessary modeling approaches and numerical methods for massively parallel computing on supercomputers in the SimLabs. (
  • The computing capacity of the JARA HPC Partition is continuously being expanded in order to also offer excellent conditions for work and research with and in the simulation sciences in the future. (
  • Supporting these stockpile stewardship applications requires computational scientists with expertise in parallel computing and numerical algorithms. (
  • Optimized codes are developed for a wide range of high performance computing platforms, from desktop to massively parallel computers. (
  • The wide availability and relatively low cost of GPUs make them uniquely suited to serving the data-parallel needs of modern computing. (
  • Students can shape a program that includes fields outside computer science such as music, chemistry, mathematics and medical fields, or specialize in an area of computer science such as artificial intelligence, bioinformatics, game and simulation development, human-computer interaction, and computer security. (
  • Artificial Intelligence is the study of computer information processing to deal with such problems or to simulate some aspect(s) of intelligent behavior. (
  • Wolf also develops algorithms and computer programs for â computer goâ which is an exciting area of Artificial Intelligence which is growing in popularity. (
  • By predicting how far ahead one simulation thread will run without performing communication events, other simulation threads can be notified to also simulate further ahead, thus increasing the effec. (
  • The department has written its own computer program to simulate how stars are formed. (
  • At the same time, they are able to simulate different design configurations in parallel by accessing the cloud. (
  • This paper presents a new computer program called DIFAR (or dynamic incremental failure analysis of rock) that can simulate fracture process of brittle rocks under dynamic impacts. (
  • The program DIFAR has been used to simulate elastic wave propagation and nonlinear fragmentation, and validity and efficiency of this program is demonstrated. (
  • Could there be physical processes which for some reason are impossible to simulate using a computer program? (
  • The main thing Roger Penrose contributed, as a quantum physicist, was to suggest possibilities for physical processes involved in the brain that might be impossible to simulate in a computer program - and to present a much more detailed argument from Gödel's result to his conclusions. (
  • If he is right, it is not just impossible to completely simulate a human down to every atom in a computer - you can't even have a computer program that can truly understand addition and multiplication in the way a human can. (
  • AIRES - a set of programs and subroutines to simulate particle showers produced after the incidence of high energy cosmic rays on the earth's atmosphere, and to manage all the data associated with these simulations. (
  • In 1957, Alder and Wainwright used an IBM 704 computer to simulate perfectly elastic collisions between hard spheres . (
  • Even before it became possible to simulate molecular dynamics with computers, some undertook the labor-intensive work of modeling atomic motion by constructing physical models, e.g., using macroscopic spheres. (
  • Below is a list of all articles, highlights, profiles, projects, and organizations related specifically to computer science and engineering. (
  • The need for people with a computer science background is very high and continues to grow. (
  • The field of computational mathematics combines knowledge of computer science with that of mathematics and is in great demand throughout the world. (
  • Additionally, a minimum 2.5 GPA in all math and computer science course work is required. (
  • The Department of Computer Science offers a comprehensive program of graduate study. (
  • There are basic courses in all areas of computer science and advanced courses in most. (
  • Using examples from the publishing industry, Whitington introduces the fascinating discipline of Computer Science to the uninitiated. (
  • A draft of text book for Computer Science I, covering CS1 topics in a generic manner using psuedocode with supplemental parts for specific languages. (
  • Computer Science is not programming. (
  • This book will familiarize you with the Scratch visual programming environment, focusing on using Scratch to learn computer science. (
  • The objective of this book is to provide the reader with all the necessary elements to get him or her started in the modern field of informatics and to allow him or her to become aware of the relationship between key areas of computer science. (
  • Our objective is to provide an introduction to computer science as an intellectually vibrant field rather than focusing exclusively on computer programming. (
  • The book is an introduction to Wolfram Mathematica written in computer science spirit, using this language not just for mathematics and equation solving but for all sorts of computer science examples and problems from the standard CS101 exercises. (
  • This book provides a survey of basic mathematical objects, notation, and techniques useful in later computer science courses. (
  • Three more Level 5 or 6 courses (not necessarily in Computer Science), at most two of which may be individual study courses. (
  • One more Level 5 or 6 course (not necessarily in Computer Science), which may not be an individual study course. (
  • This, the first edition of the book, focuses heavily on issues related to the graduate programs in computer science. (
  • The doctoral program is designed to develop computer scientists with research expertise in computer science. (
  • The doctoral program is designed to allow a full-time student entering with a Master of Science in Computer Science to complete all degree requirements within three years. (
  • The master's program in computer science emphasizes both computer software development and the theoretical foundations of computer science. (
  • The primary mission of the Department of Computer Science is the advancement of the field of computer science through teaching, research, and service. (
  • Assistantships and Fellowships (Computer Science Dept.) (Look for Teaching Assistant Application. (
  • The need to maintain our core Computer Science group is vital to provide the technical capabilities necessary to successfully execute NSA's mission. (
  • Cryptanalytic Computer Scientists employ the hybrid skill-set of advanced computer science, electrical engineering and mathematics to ensure solutions to the most difficult cryptanalytic problems and take full advantage of the NSA's software and hardware capabilities. (
  • Only using world-class computers, such as those available to the science community at Forschungszentrum Jülich, was it possible to achieve this milestone in computer simulation," says Binder. (
  • Computer science is the study of algorithms and problem solving. (
  • A computer science degree at Oregon State can give you the skills to program a custom low level sensor board all the way up to coordinating cloud datacenters full of servers. (
  • Undergraduate certificate in cybersecurity for any student currently pursuing a bachelor's degree at Oregon State (including students in the post-baccalaureate computer science program), or anyone who already has a bachelor's from an accredited institution. (
  • At first glance, you might not think biology is even remotely related to computer science. (
  • But in recent years, computer science has helped other scientists make enormous advances by giving them access to huge amounts of data. (
  • Combining biology with computer science is called bioinformatics or computational biology. (
  • This is the updated list of Computer Science books available for free download or online reading. (
  • Here is a categorized directory of Computer Science books . (
  • A concentration is a coherent group of advanced courses that integrates computer science with your specific career goals. (
  • The concentration may consist solely of courses outside the CIS department, or solely of courses within the CIS department, or a combination of courses both inside and outside the CIS department, but students are encouraged to select concentrations that involve courses outside of computer science. (
  • The 12 credits in the concentration are intended to develop a student's knowledge in computer science and/or its relationships to other areas. (
  • In support of that, courses taken toward the major or minor in the other department can often be used as part of the concentration requirement for a Bachelor of Science in computer science. (
  • Students are encouraged to explore how other subject areas impact and are impacted by computer science. (
  • Approval of a concentration is dependent on the coherence among the courses and the rationale for the concentration as being relevant to the student's career goals in computer science and the other courses selected by the student as technical electives. (
  • For example, a student who is interested in applying his computer science expertise to the area of technical publications might have an approved concentration that involves courses from the English department and the Communication department. (
  • Note that concentrations will not be approved just because a student wants to take courses in some other department - the concentration must be relevant to the student's career goals for his or her computer science major. (
  • The course list must include four courses meeting the advanced course guidelines and form a coherent set of courses related to your computer science career goals. (
  • CISE is a joint program between the Computer Science and Engineering Department and the Mathematical Sciences Department at UPRM. (
  • SN Computer Science is a broad-based, peer reviewed journal that publishes original research in all the disciplines of computer science including various inter-disciplinary aspects. (
  • In addition to direct submissions, SN Computer Science also considers papers that have been referred from Springer Nature's prestigious computer science journal portfolio. (
  • is a question often heard in computer science departments. (
  • Many, if not most, computer science departments started in the 60s and 70s as spin-offs from mathematics departments. (
  • aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research results on all aspects of Computer Science, Software and Information Engineering. (
  • Also, high quality research contributions describing original and unpublished results of conceptual, constructive, empirical, experimental, or theoretical work in all areas of Computer Science, Software and Information Engineering are cordially invited for presentation at the conference. (
  • ICCSSIE 2022 has teamed up with the Special Journal Issue on Computer Science, Software and Information Engineering . (
  • Offered by the Mathematics and Computer Science department. (
  • Join the Computer Science students and Department in the New Maker Movement. (
  • The major in computer science consists of a minimum of 12 courses: seven core computer science courses, plus two mathematics courses, a senior seminar and two electives at or above the 200 level. (
  • To major in computer science, the department strongly recommends that students achieve at least a C+ average in the first two computer science courses and that the first two math courses be completed by the second year. (
  • Two other computer science courses, at least one at the 200-level or above. (
  • One 300-level computer science course or with permission, a 300-level non-computer science course that contains significant work in computer science. (
  • An individual or small-group study in computer science under the direction of an approved advisor. (
  • An individual or small group works on the conception, design and implementation of a significant computer science project. (
  • Discrete mathematics represents the core mathematical and problem-solving principles in computer science education. (
  • Simulations on supercomputers over the last few years confirmed that most of the mass of the proton and neutron results from the energy carried by their quark constituents in accordance with Einstein's formula E=mc 2 . (
  • It is available for commercial and can be used on Unix Workstations or Parallel supercomputers. (
  • Many simulations, however, require the enormous processing power of supercomputers. (
  • Simulation/execution time decreases due to the opportunity for accesses for optimization to the partially compiled intermediate representing the program/model as well as concurrent compilation, simulation and execution by multiple processing nodes. (
  • In order to accommodate incremental modes of operation on programs and models, such as symbolic debug, profiling, fault insertion, selective event tracing, dynamic linking of libraries, incremental optimization of executables (based on available resources or new information) and programming interfaces, which call for the incremental modification of the program/model under execution/simulation, it is useful for the compilation and execution/simulation modes to be tightly coupled. (
  • Mathematical programming, discrete optimization: algorithms and complexity. (
  • Compilers and program optimization (Kremer). (
  • PROLANGS (Programming Languages) works on code transformation and optimization, compile-time analysis and performance modeling, especially for object-oriented programming languages. (
  • One example of such cloud-powered technology is Autodesk's Inventor Optimization (IO), a web-based simulation tool recently launched as part of Autodesk Cloud service, which allows design engineers to optimize their designs. (
  • Currently available to subscription customers, IO focuses on the untapped potential of design optimization, which, according to Bob Williams, the product marketing manager for Autodesk Simulation, is an area of simulation that hasn't been leveraged enough. (
  • While simulation is perfect for optimization, there just wasn't time to do it. (
  • This is a program for Molecular building, graphics, dynamics, optimization, with an interface to Quantum chemistry package PC GAMESS/Firefly. (
  • The simulation not only provided a realistic description of the rock fragmentation mechanism, but also supported the sufficient proof for the cutter spacing optimization between adjacent disc cutters for a given penetration depth. (
  • By performing simulations of a search for the global minimum of a benchmark multimodal function, we have found that the proposed PSO successfully provides appropriate control parameter values, and thus good global optimization performance. (
  • Focusing on PSO, a kind of multipoint search heuristic optimization technique, in this study we propose several parallel PSO algorithms in which control parameters are dynamically exchanged between a number of swarms and are adaptively adjusted during the solution search process. (
  • This paper describes a method for evolutionary component-based development of families of parallel programs to attain performance goals on multiple execution environments for multiple family instances and an implementation of the method. (
  • The implementation is a compiler which composes parallel/distributed programs from components encapsulated with associative interfaces and a runtime system which supports integrated execution/simulation of parallel programs composed from components at different levels of abstraction and program evolution at runtime by component replacement. (
  • Finally Jupyter notebooks are introduced that are used with Python programs to illustrate the implementation of the numerical methods. (
  • Few parallel graph algorithms on distributed- or shared-memory machines can outperform their best sequential implementation due to long memory latencies and high synchronization costs. (
  • cant parallel speedup on sparse, irregular graphs when compared against the best sequential implementation. (
  • Our new implementation achieves good speedups over a wide range of input graphs with regular and irregular structures, including the graphs used by previous parallel MST studies. (
  • Redick - Redick is an open source implementation of the J Programming Language. (
  • The Master's programme begins with four compulsory courses in for example modelling, simulation and numeric methods. (
  • JSC's research and development concentrates on mathematical modelling and numerical, especially parallel algorithms for quantum chemistry, molecular dynamics and Monte-Carlo simulations. (
  • In: Hesagawa T. et al (eds) Computer Modelling and Performance Evaluation, North Holland, Amsterdam, 1986, pp 113-124. (
  • Georgatsos P.H. Modelling and analysis of computer communication networks with random or semidynamic routing, PhD Thesis, Univ. (
  • I find handling the concurrent aspect of my programs to be essentially trivial in erlang, especially once you leverage the power of supervision trees. (
  • Denotational semantics of concurrent programs with shared memory. (
  • Ben-Ari M. Principles of concurrent and distributed programming. (
  • Whiddett D. Concurrent programming for software engineers. (
  • In a unique setup you can see how the mathematical equations are transformed to a computer code and the results visualized. (
  • These problems apply to every scientific, engineering, and mathematical field, making computer scientists relevant in every professional field today. (
  • With the advent of powerful, widely-available mathematical software, combined with ever-faster computer hardware, we are approaching a day when both the discovery and proof of mathematical facts can be done in a computer-assisted manner. (
  • EGO is a program to perform molecular dynamics simulations on parallel as well as on sequential computers. (
  • Efficient simulations among several models of parallel computers (extended abstract). (
  • Run computationally intensive MATLAB programs and Simulink models on computer clusters, clouds, and grids. (
  • In addition to studies of physical properties, the research involves the development of numerical methods with computer program implementations directed towards large-scale parallel computer platforms. (
  • Parallel arithmetic computations: A survey. (
  • The research activities in the Theoretical Chemistry group at Link ping University are focused on computations and simulations of electronic and optical properties of molecular and polymeric materials. (
  • Together with SHARCNET Research Chair, Alexander Odesskii, as well as students and people helping to maintain and develop the underlying system, Wolf is doing Computer Algebra which includes the development of algorithms, software and running the computations. (
  • Computer scientists write programs, develop algorithms and design software. (
  • Cryptanalytic Computer Scientists are hired into positions directly supporting a technical mission office or the Cryptanalytic Computer Network Operations Development Program (C2DP). (
  • The NSA/CSS Cryptanalytic Computer Network Operations Development Program is a 3 year development program designed to produce professional level Cryptanalytic Computer Scientists through an intensive, structured program of formal training courses and diverse work assignments. (
  • Running computer simulations of how planets and stars form in different parts of the universe and under many different conditions should give scientists some indication of what types of planets and stars they could find in the further reaches of space. (
  • Today, computer scientists develop ways to model and analyze biological data that can help scientists speed up their research or discover new insights into the secrets of life. (
  • Scientists at NASA Ames Research Center are using the SGI 512-processor Origin 3000 , the most powerful parallel supercomputer of its kind, to try to determine the structure of proteins . (
  • The first few minutes of each video will explain the details of modeling a specific earth process through graphic animations, textual overlays and interviews with the simulation scientists. (
  • JARA-HPC scientists are part of a unique organizational structure comprising socalled Simulation Laboratories - SimLabs, Cross-Sectional Groups - CSGs, and JADE. (
  • Among other achievements, computer simulations helped researchers of JARA-HPC to improve blood pumps that support the heart of seriously ill patients, and to create a "virtual brain" with which brain scientists can now better investigate and understand interconnections of the real brain. (
  • Furthermore, JARA-HPC scientists have developed computer simulations with which the effects of human activities on the biodiversity of meadows and grasslands in the Nationalpark Eifel can be predicted. (
  • These teams include mathematicians and computer scientists, whose methodological know-how benefits all users of high-performance computers. (
  • Computer scientists are deeply involved with projects in LLNL's Weapons and Complex Integration ( WCI ) organization. (
  • A team of 120 computational scientists in the Applications, Simulations, and Quality (ASQ) division supports WCI and helps develop codes that play a critical role in stockpile stewardship. (
  • High-level constructs-parallel for-loops, special array types, and parallelized numerical algorithms-let you parallelize MATLAB ® applications without CUDA or MPI programming. (
  • Analog computers were widely used in scientific and industrial applications where digital computers of the time lacked sufficient performance. (
  • Towsley D., Chandy K.M. and Browne J.C. Models for parallel processing with programs: Applications to CPU:I/0 and 1/0:1/0 Overlap. (
  • You can run parallel applications interactively or in batch. (
  • Convert your applications to take advantage of computers equipped with multicore processors and GPUs. (
  • Run MATLAB workers locally on your multicore desktop to execute your parallel applications. (
  • Execute parallel applications interactively and in batch. (
  • George Karypis: research is primarily focused on developing tools that enable the efficient solutions of scientific applications on parallel computers. (
  • Efficient simulations need powerful algorithms and methods. (
  • We hope that by a combination of new, powerful computers, efficient parallel programming and novel algorithms, we will be able to achieve our goal,' says Pohorille. (
  • High-level programming languages and efficient implementations. (
  • Parallel discrete event simulation (PDES), sometimes I called distributed simulation, refers to the execution of a single discrete event simulation program on a parallel computer. (
  • ONETEP (Order-N Electronic Total Energy Package) is a linear-scaling density functional theory software package able to run on parallel computers. (
  • An application of complexity theory to logics of programs. (
  • Similarly, he's open to the currently discussed theory that we could all exist in a simulation, like a vast computer program. (
  • Irregular problems such as those from graph theory pose serious challenges for parallel machines due to non-contiguous accesses to global data structures with low degrees of locality. (
  • Computer simulations have become the third pillar of research next to theory and experiment. (
  • Based on Charm++ parallel objects, NAMD scales to hundreds of cores for typical simulations and beyond 500,000 cores for the largest simulations. (
  • NAMD uses the popular molecular graphics program VMD for simulation setup and trajectory analysis, but is also file-compatible with AMBER, CHARMM, and X-PLOR. (
  • And the Human Genome Project, for example, would not have been possible without having computers to analyze huge amounts of genetic data. (
  • VMD can be used to animate and analyze the trajectory of a molecular dynamics (MD) simulation. (
  • To minimize the risk of these defects, computer simulation can be used to analyze the filling sequences and optimize the casting and gating design. (
  • These models, which run on Spectrum Software`s Microcap-IV{reg_sign} (MC4) electronic circuit analysis program, have been used to analyze radiofrequency (rf) amplifiers and high- voltage pulse modulators. (
  • Search Engines, sparse matrices, Parallel algorithms. (
  • Distributing the compilation, simulation and execution of computer programs and hardware models among two or more processing nodes has two primary advantages: increased program/model capacity and decreased simulation/execution time. (
  • The size and complexity of program/model which can be compiled and simulated/executed increases due to the additional memory as well as processing resources available. (
  • A pdf document that briefly describes the Ejs Parallel Plate Capacitor Model. (
  • A. Duffy, Computer Program EJS MODEL OF A PARALLEL-PLATE CAPACITOR (2008), WWW Document, ( ). (
  • Ejs model of a parallel-plate capacitor [Computer software]. (
  • The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Ejs model of a parallel-plate capacitor. (
  • performance model to a complete program and may continue evolution during runtime. (
  • We exploit the unifying framework of particle methods for numerical simulation, image analysis, and model identification. (
  • However, the department needs to run simulations of star clusters (several stars) to get an idea of how accurate the model is. (
  • If you're trying to model a cloud simulation, then each part of that's cloud formation could be carried out by a different processor. (
  • An analog computer or analogue computer is a type of computer that uses the continuously changeable aspects of physical phenomena such as electrical , mechanical , or hydraulic quantities to model the problem being solved. (
  • The Rotation About A Fixed Axle model was developed using the Easy Java Simulations (EJS) modeling tool. (
  • W. Christian, Computer Program ROTATION ABOUT A FIXED AXIS MODEL, Version 1.0 (2011), WWW Document, ( ). (
  • In the following sections we ll describe three of the five visualizations that Los Alamos delivered to the museum an atmospheric simulation of a severe winter storm, a global ocean model and the process of mantle convection. (
  • As a first step, a 3-D model of the cast part with gating and feeding system is created in a 3-D computer aided design (CAD) environment [ILLUSTRATION FOR FIGURE 1 OMITTED]. (
  • You can use the toolbox with Simulink ® to run multiple simulations of a model in parallel. (
  • However, even if the computer model relies on a covariant set of equations, it was pointed out that algorithmic difficulties related to discretization errors may have to be overcome in order to take full advantage of the potential speedup. (
  • The proposed prototyping method allows a direct coding of the inter-task cooperation by robots and intelligent machines from the conceptual Petri net specification, so that it increases the traceability and the understanding of the control flow of a parallel application specified by a net model. (
  • The Norden bombsight was a highly sophisticated optical/mechanical analog computer used by the United States Army Air Force during World War II , the Korean War , and the Vietnam War to aid the pilot of a bomber aircraft in dropping bombs accurately. (
  • The Antikythera mechanism , dating between 150 and 100 BC, was an early analog computer. (
  • The Antikythera mechanism was an orrery and is considered an early mechanical analog computer, according to Derek J. de Solla Price . (
  • A combination of the planisphere and dioptra , the astrolabe was effectively an analog computer capable of working out several different kinds of problems in spherical astronomy . (
  • The castle clock , a hydropowered mechanical astronomical clock invented by Al-Jazari in 1206, was the first programmable analog computer. (
  • It is a hand-operated analog computer for doing multiplication and division. (
  • As an analog computer does not use discrete values, but rather continuous values, processes cannot be reliably repeated with exact equivalence, as they can with Turing machines . (
  • Setting up an analog computer required scale factors to be chosen, along with initial conditions-that is, starting values. (
  • Running an electronic analog computer, assuming a satisfactory setup, started with the computer held with some variables fixed at their initial values. (
  • The south-pointing chariot , invented in ancient China during the first millennium BC, can be considered the earliest analog computer. (
  • Vehicle simulation using analog computer circuitry and road test data is used to calculate torque requirements from programmed acceleration-time and velocity-time curves. (
  • With the increasing use of hardware description languages (such as VHDL and Verilog) as well as hardware/software co-design, simulation and execution have become almost indistinguishable operating modes and are treated as such in the following. (
  • Computer software. (
  • PPM-based simulations can be implemented in a fraction of the traditional software development time (days instead of years) and often outperform hand-written simulation programs [21]. (
  • In addition to the hardware and software expenses of multi-staged pipelining these designs require a great deal of instruction bandwidth from memory because Reduced Instruction Set Computers often have large parameter fields in the instructions. (
  • At the same time I was studying at Lehigh, I started a computer consulting business offering a variety of services including programming, software development and database development. (
  • They are developing application software keeping pace with the constant performance increase of high-performance computers. (
  • libgfx - library to simplify the creation of computer graphics software. (
  • ASQ also keeps legacy software running smoothly so that researchers can reference or use older simulations. (
  • ASQ supports the analysis software used in WCI's nuclear engineering program, which does sophisticated modeling and analysis of various engineering problems. (
  • Control software using multithreaded programming is demonstrated to show the effectiveness of the proposed method. (
  • The Learning group studies the development and analysis of algorithms for machine learning, especially in the application areas of bioinformatics, computational design, human-computer interaction, and intelligent information access. (
  • Engineering, Bioinformatics, Computer Algebra and Grid. (
  • The program is based on a linear elastic finite element method incorporated with a failure criterion for damage checking. (
  • When preparing the cast part for optimum castability, foundry engineers use a computer simulation program (MagmaSoft) based on the finite difference/finite volume method. (
  • Phillipa Gill's interest is in computer networks, network measurement, inter domain routing, Internet censorship/information controls, security and. (
  • This thesis investigates extending the dynamically-typed, functional programming language Scheme, with simulated overloading in order to permit the binding of multiple, distributed defnitions to function names. (
  • Mercury - new logic/functional programming language. (
  • Surprisingly though, the actual code that Bate has written to perform the analysis on the simulations is written in Fortran , which could be run under either Windows or Linux. (
  • Dynamo is not a program package but is a library of Fortran 90 modules that can be employed by those interested in writing their own programs for performing molecular simulations. (
  • Master's programs typically take three or four semesters. (
  • Completing a master's program within twelve months is sometimes possible for well-prepared, industrious students. (
  • For students in a non-thesis master's program, the role of the advisory committee will be fulfilled by the chair of the graduate committee. (
  • For students in a thesis master's program, the advisory committee consists of the supervisor of the research plus two or more other faculty members agreed upon by the student and the supervisor. (
  • B.V. Straalen, J. Shalf, T. Ligocki, N. Keen, and W. Yang, "Scalability Challenges for Massively Parallel AMR Application", 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009. (
  • This thesis strives to address the challenges caused by fast and cyclical changes in programming models. (
  • We'll run the simulation and keep the data for a year or so on DVDs," said Bate. (
  • This library has been used to great effect in the parallelization of a variety of simulations and data analysis programs. (
  • In this issue of Computer Graphics, Allen McPherson, Jamie Painter, and their cohorts, report on several techniques used to visualize simulation data. (
  • The final one to two minutes of each video will use actual scientific visualizations of the simulation data to explain specific features under study. (
  • INPROCEEDINGS{SC92, author={Michael S. Warren and John K. Salmon}, title={Astrophysical {N}-Body Simulations Using Hierarchical Tree Data Structures}, booktitle={Supercomputing '92}, publisher={IEEE Comp. (
  • The Observer/Kalman Filter identification approach is expanded to use input-output time histories from ADAMS simulations or structural test data. (
  • Researchers of nearly all scientific fields can benefit from simulations: from medical sciences to engineering, information technology and material sciences up to environmental and energy research. (
  • Explicit-multi-threading (XMT) is a parallel programming approach for exploiting on-chip parallelism. (
  • The contestants task was to look at the code for cell clustering and 3D movement and then modify the algorithms for parallel performance by optimizing the code to reduce the runtime, all while maintaining correctness. (
  • Our current focus is to make PC clustering technology easier to use for the development of parallel programs and scalable servers. (
  • The parallel complexity of deadlock detection. (
  • Analog computers can have a very wide range of complexity. (
  • We sought the minimal effective complexity for an architecture that is significantly different than Reduced Instruction Set Computers. (
  • DL_POLY is a parallel molecular dynamics simulation package. (
  • Example of a molecular dynamics simulation in a simple system: deposition of one copper (Cu) atom on a Cu Miller index (001) surface . (
  • He has also focused on serial and parallel algorithms for mining scientific datasets and is leading a major research effort on graph mining. (
  • In doing so they considerably contribute to making full use of the opportunities computer simulations offer to address current scientific issues. (
  • Ngraph - program creating scientific 2-dimensinal graphs for the researcher and engineer. (
  • RLaB is an interactive, interpreted scientific programming environment. (
  • In this thesis we propose a distributed-memory parallel-computer simulation system called PUPPET (Performance Under a Pseudo-Parallel EnvironmenT). (
  • Students register to this course in all semesters starting from the beginning of their third semester while the research program or write-up of the thesis is in progress. (
  • This thesis presents high-order numerical methods for time-dependent simulations of oceanic wave propagation on modern many-core hardware architecture. (
  • The problem has always been that simulations take a while to perform, so companies typically do two, three simulations in the development cycle for validation or product behavior prediction. (
  • In this video from SC 11 , Michael Norman ( SDSC ), Joseph Insley ( MCS ), and Rick Wagner ( SDSC ) describe a set of ground-breaking collaborative astrophysics simulations. (
  • More sophisticated algorithms are used in modern simulations to describe atomic interactions rather than simply treating the atoms as hard spheres. (
  • The basics of parallel computers and parallel programming are discussed and their impact on realistic simulations. (
  • Deterministic simulation of idealized parallel computers on more realistic ones. (