• The mechanical behavior of the component is determined by the casting process, and factors as component geometry and casting process parameters are known to affect solidification and microstructure formation throughout the component and cause local variations in mechanical behavior as well as residual stresses. (diva-portal.org)
  • Though residual stresses are known to be an important factor in the mechanical behavior of the component, the importance of local mechanical behavior is not well established and the material is typically considered homogeneous throughout the component. (diva-portal.org)
  • In addition the residual stresses are considered. (diva-portal.org)
  • When the applied load is low and the component is subjected to stress levels well below the yield strength of the material, the residual stresses highly affects the simulation results while the effect of local material behavior is low. (diva-portal.org)
  • As the applied load increases and the stress level in the component approaches and passes the yield strength, the effect of residual stresses diminishes while the effect of local mechanical behavior increases. (diva-portal.org)
  • It is proposed that it is important to include both local mechanical behavior and residual stresses in stress-strain simulations to predict the true mechanical behavior of the component. (diva-portal.org)
  • Due to the nature of welding process involving localized heat generation from moving heat source (s), rapid heating in the welded structures, and subsequent rapid cooling, problems such as residual stresses and distortions of welded structures remain great challenges to welding practitioners, designers and modeler. (intechopen.com)
  • In recent years, various aspects and interests in the numerical modeling of welding residual stresses and distortions, mostly using finite element method, have been elaborated by researchers. (intechopen.com)
  • Teng & Lin (1998 ) predicted the residual stresses during one-pass arc welding in steel plate using ANSYS software and discussed the effects of travel speed, specimen size, external mechanical constraints and preheating on the residual stresses. (intechopen.com)
  • This approach accommodates multi-material, thermo-mechanical, and stress-related objectives, or constraints, ensuring safe and efficient designs. (anl.gov)
  • High density 3D-LSI with W-TSV for signal line and Cu-TSV for power/GND line, and Cu-TSV containing W stress absorbing layers were investigated for the induced thermo-mechanical stress in 3D-LSI Si die/wafer after wafer thinning and bonding using micro-Raman spectroscopic technique. (elsevierpure.com)
  • Stress mapping analysis revealed that W-TSV has induced less thermo-mechanical stress in LSI Si, whereas the Cu-TSV has induced large amount of stress. (elsevierpure.com)
  • 300 MPa of compressive stress after heating at 400 °C. This property can be readily employed to minimize the residual thermo-mechanical stress in the bonded high density 3D-LSI. (elsevierpure.com)
  • Texas A&M College of Engineering professors Drs. Dimitris Lagoudas, Jodie Lutkenhaus and James Boyd have discovered how to measure mechanical stresses and strains in energy storage materials. (tamu.edu)
  • To combat this, her research looks to create an instrument that measures mechanical stresses and strains in energy storage materials as they charge and discharge. (tamu.edu)
  • Batteries and capacitors can fail through the different effects of internal and external mechanical stresses. (tamu.edu)
  • GIACOMINI, R. Open model for external mechanical stress of semiconductors and MEMS.IEEE International Conference on Microelectronic Test Structures, p. 189-193, March, 2018. (edu.br)
  • Article: Strain and stress analysis of the oxide film surface in the chemical mechanical polishing process Journal: International Journal of Computer Applications in Technology (IJCAT) 2006 Vol.26 No.4 pp.233 - 241 Abstract: A two-dimensional axisymmetric quasi-static finite element model for a chemical mechanical polishing (CMP) process of 12″ wafer was established. (inderscience.com)
  • A two-dimensional axisymmetric quasi-static finite element model for a chemical mechanical polishing (CMP) process of 12″ wafer was established. (inderscience.com)
  • The industrial demand for increased component performance with concurrent reductions in component weight, development times and verifications using physical prototypes drives the need to use the full potential of casting and Finite Element Method (FEM) simulations to correctly predict the mechanical behavior of cast components in service. (diva-portal.org)
  • We developed a two-dimensional finite element method model of atherosclerotic plaques containing expanding cholesterol crystals and investigated the effect of the magnitude and distribution of crystallization on the peak circumferential stress born by the cap. (ntu.edu.sg)
  • In their paper, they compare the maximum circumferential stress which appears on the Inner side of the longitudinal cross section planes of the hollow cylinder, the stresses being determined using several different methods: curved beam theory, straight beam theory and finite element method (FEM). (sv-jme.eu)
  • For example, an object being pulled apart, such as a stretched elastic band, is subject to tensile stress and may undergo elongation. (wikipedia.org)
  • When a body is subjected to two equal and opposite pulls, then the stress induced in the body is called tensile stress. (mechanicalbooster.com)
  • Tensile stress results in an increase in length and a decrease in the cross-section of the area of the body. (mechanicalbooster.com)
  • This instrument offers insights into measuring the mechanical behavior during an electrode's charging and discharging, which can be challenging to observe in real-time. (tamu.edu)
  • This paper deals with the influence of solidification and solid state transformation on microstructure formation and the effect of local microstructure variations on the mechanical behavior of the cast component in service. (diva-portal.org)
  • The current work aims to investigate the coupling between simulation of solidification, microstructure and local variations in mechanical behavior and stress-strain simulation. (diva-portal.org)
  • The results show that the FEM simulation results are significantly affected by including microstructure based mechanical behavior. (diva-portal.org)
  • In particular the predicted strain level is heavily affected by the use of local mechanical behavior. (diva-portal.org)
  • The researchers were able to quantify this behavior and developed a mathematical model that can predict the intensity of the glow based on the magnitude of the mechanical stress applied. (sciencedaily.com)
  • Thus, the bone behavior is related to the stress and deformation induced on it. (bvsalud.org)
  • Mechanical damage limits the cycle life of batteries, so new hardware and models are needed to interpret experimental measurements to separate the effects of mass diffusion, reactions, inelastic deformation and mechanical damage. (tamu.edu)
  • In continuum mechanics, stress is a physical quantity that describes forces present during deformation. (wikipedia.org)
  • Stress expresses the internal forces that neighbouring particles of a continuous material exert on each other, while strain is the measure of the relative deformation of the material. (wikipedia.org)
  • Any strain (deformation) of a solid material generates an internal elastic stress, analogous to the reaction force of a spring, that tends to restore the material to its original non-deformed state. (wikipedia.org)
  • If the deformation changes gradually with time, even in fluids there will usually be some viscous stress, opposing that change. (wikipedia.org)
  • Significant stress may exist even when deformation is negligible or non-existent (a common assumption when modeling the flow of water). (wikipedia.org)
  • Stress that exceeds certain strength limits of the material will result in permanent deformation (such as plastic flow, fracture, cavitation) or even change its crystal structure and chemical composition. (wikipedia.org)
  • Mechanical Aspects of Deformation-Induced Surface Roughening in the Presence of Inclusions in a Subsurface Layer. (frontiersin.org)
  • The mechanical aspects of deformation-induced surface roughening inherent in microstructural inhomogeneity are studied numerically using single inclusion models. (frontiersin.org)
  • abstract = {Investigation of the stress state in a rotating ring Is one of the basic steps In studying the bursting mechanism In different rotating machine components and tolls, for example a grinding wheel. (sv-jme.eu)
  • The strain, stress and non-uniformity of oxide film surface are examined. (inderscience.com)
  • The findings indicate that the axial strain was the maximum in strain components and its peak occurred at the end, the axial stress had a similar trend as the axial strain, and the elastic modulus and the thickness of the pad and carrier load would significantly affect the axial strain, the von Mises stress and the non-uniformity, but those of the film have little effect. (inderscience.com)
  • Strain inside a material may arise by various mechanisms, such as stress as applied by external forces to the bulk material (like gravity) or to its surface (like contact forces, external pressure, or friction). (wikipedia.org)
  • The relation between mechanical stress, strain, and the strain rate can be quite complicated, although a linear approximation may be adequate in practice if the quantities are sufficiently small. (wikipedia.org)
  • With those tools, Augustin-Louis Cauchy was able to give the first rigorous and general mathematical model of a deformed elastic body by introducing the notions of stress and strain. (wikipedia.org)
  • It has been shown that all stress and strain tensor components in the vicinity of inclusions take on non-zero values, including those directed across the load axis. (frontiersin.org)
  • Thus, the free surface becomes rough under the action of internal forces originated from the inhomogeneous stress-strain fields. (frontiersin.org)
  • On the other hand, the roughness pattern can be used for non-destructive testing of the material stress-strain state. (frontiersin.org)
  • Answer:a Explanation: Tension test determines the parameters related to stress strain curve and also reduction and elongation in area and length can be found respectively. (sanfoundry.com)
  • 2. Proportional Limit is defined as the stress at which the stress strain curves begins to deviate from the straight line. (sanfoundry.com)
  • Answer:a Explanation: Proportional limit is the point of deviation in stress strain curve. (sanfoundry.com)
  • With rise of temperature, molecular bonds weakens and fracture occurs at a lesser load, hence area under stress strain curve decreases. (sanfoundry.com)
  • The researchers envision that these materials could potentially be used as mechanical sensors to gauge pressure, strain or stress. (sciencedaily.com)
  • and (3) spatial distributions of cholesterol crystals have a significant impact on the peak circumference stress: evenly distributed cholesterol crystals exert less peak circumferential stress on the cap than concentrated crystals. (ntu.edu.sg)
  • They found that the maximum circumferential stresses determined by the straight beam theory and FEM are almost the same, whereas the other methods give lower values of maximum circumferential stresses. (sv-jme.eu)
  • Large differences among the maximum circumferential stresses occur near the inner radii. (sv-jme.eu)
  • By the curved beam theory and FEM, the maximum circumferential stresses Increase for radii ration from 0.15 downwards but, using the other two methods the same stresses decrease at these radii ratia. (sv-jme.eu)
  • Moreover, increased IGF-1 promotes hypertrophy of various tissues [ 14 - 17 ], and mechanical stress plays a vital role in IGF-1 formation [ 18 , 19 ]. (hindawi.com)
  • Mechanical stress protection operates during cell differentiation, adhesion and migration, and is of particular importance for maintaining tissues such as skeletal muscle, heart, lung, kidney, skin and vasculature. (uni-bonn.de)
  • State-of-the-art technology will be used to apply mechanical stress in a highly defined manner to isolated cells and tissues, genetically tractable model organisms and human subjects. (uni-bonn.de)
  • Few long-term effects are expect from mechanical conditioning of transplants sincere productive tissues generally are not treat. (hortomallas.com)
  • Here, we used computational modeling and engineered epithelial tissues of precise geometry to define the experimental parameters that are required to measure directly the mechanical stress profile of 3D tissues embedded within native type I collagen. (princeton.edu)
  • Spatially resolved mechanical maps can provide insight into the types and magnitudes of physical parameters that are sensed and interpreted by multicellular tissues during normal and pathological processes. (princeton.edu)
  • With mechanical stress testing, the effects of vibration over a wide range of frequency and acceleration levels can be simulated as well as shock, free fall, drop, tumble and impact according to IEC 60068-series. (nemko.com)
  • As a Mechanical Engineer you will be responsible for stress, vibration, and heat transfer analyses. (jobmove.com)
  • Mechanical stress "thigmomorphogenesis," whereas plant response to a nontactile (shaking, vibration, wind) treatment was termed "seismomorphogenesis" by Mitchell et al. (hortomallas.com)
  • Karjalainen-Roikonen, P & Wallin, K 1992, Analysis of fracture mechanical tests for stress corrosion cracking . (vtt.fi)
  • The ultimate result of an untreated stress fracture can be a complete fracture (possibly displaced) of the femoral neck. (medscape.com)
  • The specimen?s shape and test setup were optimized concerning a homogeneous mechanical stress distribution and are presented in this paper. (jku.at)
  • On a flat free surface of a homogeneous material there are no stresses likely to cause out-of-plane displacements. (frontiersin.org)
  • By doing in-vivo measurements in a hydroponic system, this study investigated the responses of unimpeded roots to local mechanical stress of their neighbouring roots. (slu.se)
  • An object being pushed together, such as a crumpled sponge, is subject to compressive stress and may undergo shortening. (wikipedia.org)
  • Strojniški vestnik - Journal of Mechanical Engineering, 41 (1-2), 19-28. (sv-jme.eu)
  • Internal stresses occur when batteries develop a repeated cycling of the device, while external stresses can result from impact or penetration of the device. (tamu.edu)
  • Intensification of working processes in internal combustion engines require the development and improvement of methods for calculating thermal and mechanical stresses in combustion chamber parts. (izvuzmash.ru)
  • The abutment angulation is a mechanical variable in implantology3 that may influence the internal and external structure of bone tissue 3 . (bvsalud.org)
  • The cancer and healthy cell populations were treated either with mechanical stress delivered by a micropump (fabricated by deep X-ray nanolithography) or by ultrasound wave stimuli. (unicz.it)
  • We demonstrate how we can harness the power of nature to directly convert mechanical stimuli into light emission. (sciencedaily.com)
  • This current work demonstrates a simple method to combine living organisms with non-living components to fabricate novel materials that are self-sustaining and are sensitive to fundamental mechanical stimuli found in nature," said study first author Chenghai Li, a mechanical and aerospace engineering Ph.D. candidate in Cai's lab. (sciencedaily.com)
  • In Mechanical Engineering Welding is one of the most important Metal joining process. (mechanicalgeek.com)
  • Engineering encompasses many fields and disciplines, ranging from mechanical and structural to chemical and aerospace. (wolframalpha.com)
  • Look up information regarding mechanical engineering formulas and constants for topics including refrigeration and materials science. (wolframalpha.com)
  • An exciting feature of these materials is their inherent simplicity -- they need no electronics, no external power source," said study senior author Shengqiang Cai, a professor of mechanical and aerospace engineering at the UC San Diego Jacobs School of Engineering. (sciencedaily.com)
  • Hubei Key Laboratory of Modern Manufacturing Quality Engineering, School of Mechanical Engineering, Hubei University of Technology, Wuhan 430068, China. (bvsalud.org)
  • School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430076, China. (bvsalud.org)
  • Austenitic stainless steels are extensively used in mechanical engineering . (bvsalud.org)
  • Effects of Multi-Pass Turning on Stress Corrosion Cracking of AISI 304 Austenitic Stainless Steel. (bvsalud.org)
  • The machined surface integrity has an essential influence on the stress corrosion cracking (SCC) performance of stainless steels . (bvsalud.org)
  • This paper reports on a setup and a method that enables the automated analysis of mechanical stress impact on MEMS devices. (vde-verlag.de)
  • IGF-1, col-I, and col-III were significantly increased in stressed LFCs compared to nonstressed LFCs. (hindawi.com)
  • Interestingly, targeted mutation of the GluA1 phosphorylation site Ser831 significantly inhibited stress-induced prolongation of incisional pain. (jneurosci.org)
  • We are pioneering experimental methods to measure the simultaneous electrochemical and mechanical response of electrodes," Boyd said. (tamu.edu)
  • Lutkenhaus said it's important to understand how mechanical stress develops in the electrochemical state of the device. (tamu.edu)
  • Herein, we report evidence of structural instabilities upon mechanical milling and electrochemical cycling of Li4FeMoO6. (amrita.edu)
  • Therefore, spinal AMPA receptor phosphorylation contributes to the mechanisms underlying stress-induced pain transition. (jneurosci.org)
  • In the present study, we completed some preliminary evaluations of the effects of adding suspension mechanisms to the mechanical arms on grinder vibrations in a simulated work task. (cdc.gov)
  • The understanding of stress in liquids started with Newton, who provided a differential formula for friction forces (shear stress) in parallel laminar flow. (wikipedia.org)
  • When a body is subjected to two equal and opposite forces acting tangential to the resisting section than the stress induced in the body is called shear stress. (mechanicalbooster.com)
  • The shear stress tries to shear off the resisting section. (mechanicalbooster.com)
  • The shear stress acts tangential to the area. (mechanicalbooster.com)
  • Our contribution presents a mathematical approach to determine the function of the stress state in the longitudinal section planes of the hollow cylinder, using the Airy function. (sv-jme.eu)
  • A refined method for determining the thermal stress state of a cylinder head is considered. (izvuzmash.ru)
  • The suggested rational structure of the cylinder head provides a much lower level of stresses and an alternative way of liquid coolant supply. (izvuzmash.ru)
  • [14] Zieher F., Langmayr F., Jelatancev A., Wieser K. Thermal Mechanical Fatigue Simulation of Cast Iron Cylinder Heads. (izvuzmash.ru)
  • Increasing abutment angulation from 15° to 25°, increases stress on cortical bone by about 20% and reduces it by about 12% on spongy bone. (bvsalud.org)
  • Femoral neck stress fractures are a common cause of hip pain in select populations. (medscape.com)
  • Chronic, repetitive activity that is common to runners and military recruits predisposes these populations to femoral neck stress fractures . (medscape.com)
  • Even in the most sedentary individual, the daily cyclic loading of the hip and femoral neck produces high stresses on the bony trabeculae in this anatomic region. (medscape.com)
  • The pain associated with femoral neck stress fractures can be both irritating and disabling to these high-performance individuals. (medscape.com)
  • Because the onset of this pathologic entity is insidious and because the results of conventional radiography are frequently equivocal, the diagnosis of femoral neck stress fractures can be missed. (medscape.com)
  • Whereas the treatment of stress fractures of the femoral neck is often straightforward, undetected stress fractures can lead to serious complications. (medscape.com)
  • The first description of femoral neck stress fractures in the literature was published in 1936 by Asal in Archiv für Klinische Chirurgie . (medscape.com)
  • distribution principal stress seismicity stress change axis international symposium structural geology focal area Earthquake Rock stress mainshock source area 7th International Symposium on ln-51tu Rock stress May 10-12,2016, Tampera, Finland Johansson & Raasakka (ads) ISBN 978-951-758-806-1 ISSN. (onepetro.org)
  • Mechanical stress testing helps determine whether a device can remain functional when subjected to sudden, abrupt motion changes associated with service environments like product handling, shipping/transportation, aerospace, weapon firing, etc. (nemko.com)
  • Finally, soft magnetic material properties are determined under different mechanical load conditions and the results are presented and discussed. (jku.at)
  • MEL is lumber where a parameter like density is evaluated nondestructively by mechanical grading equipment to predict certain mechanical properties. (engineeringtoolbox.com)
  • Changes in Mechanical, Structural Integrity and Microbiological Properties Following Cryopreservation of. (annals.edu.sg)
  • The mechanical properties of polystyrene/polyamide-6 (50/50 wt/wt) blends were improved by additions of small amounts of poly(styrene-g-ethylene oxide) (SEO) during compounding by extrusion. (lu.se)
  • Yttrium-stabilized tetragonal zirconia (Y-TZP) is having increased use in dentistry due to its good mechanical properties. (bvsalud.org)
  • I will show how these nanostructures can be utilized for extremely sensitive virus detection, enhanced cellular growth, extracting polluting chemicals from the groundwater and mechanical stress sensors. (lu.se)
  • Incorporating multi-material, thermos-mechanical, stress-related objectives or constraints is crucial for producing safe and efficient designs. (anl.gov)
  • Results: Implant Von Mises stress level was negligibly changed with increasing abutment angulation. (bvsalud.org)
  • While the primary roots did not response to a restriction in growth of the seminal roots, seminal roots reacted to the applied stress in the same way as the impeded roots, even if the stress did not occur in their environment. (slu.se)
  • We are currently working alongside one of the globes largest and most prestigous manufacturing businesses, to help them find a number of experienced Mechanical Engineers on a contract basis helping with the analysis of some of the businesses main product range. (jobmove.com)
  • Moreover, Raman spectroscopy analysis, after mechanical treatment, in the range between 700-1800 cm-1, indicated a relative concentration variation of MHC class I. PCA analysis was also performed to distinguish control and stressed cells within different cell lines. (unicz.it)
  • In this article, you will learn about what is stress in the strength of materials, their unit, and types of stress with numerical problems. (mechanicalbooster.com)
  • Derived from a fundamental physical quantity (force) and a purely geometrical quantity (area), stress is also a fundamental quantity, like velocity, torque or energy, that can be quantified and analyzed without explicit consideration of the nature of the material or of its physical causes. (wikipedia.org)
  • The research unit will establish fundamental principles of mechanical stress protection in multicellular organisms and will reveal the relevance of these processes for diseases such as muscle weaknesses, immune deficiencies and kidney failure. (uni-bonn.de)
  • Density, fibre stress, compressive strength and modulus of elasticity of clear wood, panel and structural timber products. (engineeringtoolbox.com)
  • What is Stress in the Strength of Materials? (mechanicalbooster.com)
  • This is all about what is Stress, units of stress, and types of stress in the strength of materials. (mechanicalbooster.com)
  • 5. For the materials which do not exhibit a well-defined yield points, the yield strength is defined as the stress corresponding to a permanent set of how much percentage of gauge length? (sanfoundry.com)
  • 6. Proof strength is defined as the stress which will produce a permanent extension of how much percentage in the gauge length of the standard test specimen. (sanfoundry.com)
  • Training in a variety of rep ranges may be superior for gains in muscle size and increasing strength (better capacity for mechanical tension) and muscle endurance (better capacity for metabolic stress). (stack.com)
  • This work is about the improved characterization of soft magnetic sheet materials including the evaluation of electromagnetic material parameters and iron loss models under mechanical stress. (jku.at)
  • The effect of mechanical stresses generated by an extreme agitation intensity or a high aeration rate on growth parameters and cell physiology were studied during continuous cultivation of the Gram-positive bacterium Corynebacterium glutamicum. (birmingham.ac.uk)
  • Mechanical conditioning usually affects plant growth only during the period of treatment. (hortomallas.com)
  • In this paper , the effects of multi-pass turning on the SCC susceptibility of AISI 304 austenitic stainless steel were investigated by correlating the SCC crack density to the machining-induced surface characteristics in terms of roughness, micro- hardness , and residual stress. (bvsalud.org)
  • In the multi-pass turning, the surface roughness and residual stress were the least after the double pass turning, and the surface micro- hardness was the maximum after the triple-pass turning. (bvsalud.org)
  • Compared with the double-pass turning, the increase in SCC sensitivity of triple-pass turning was attributed to the larger roughness, higher micro- hardness and greater residual tensile stresses. (bvsalud.org)
  • Mechanical stress promotes human ligamentum flavum cells (LFCs) to synthesize multitype collagens, leading to ligamentum flavum hypertrophy (LFH). (hindawi.com)
  • One of the characteristic bacteria phenotypes of antibiotic resistance (and more generally of a stress response) is filamentation, which has been linked to survival strategies and virulence and is present in the most common form of bacteria in nature: biofilms. (europa.eu)
  • 1975). However, only recently has plant response to mechanical stress been studied to control plant. (hortomallas.com)
  • These differences in yield response to mechanical stress again may be due to differences in cultivars or species. (hortomallas.com)
  • Researchers have developed soft yet durable materials that glow in response to mechanical stress, such as compression, stretching or twisting. (sciencedaily.com)
  • A team of researchers led by the University of California San Diego has developed soft yet durable materials that glow in response to mechanical stress, such as compression, stretching or twisting. (sciencedaily.com)
  • Mechanical stress on the joints, such as occurs in movement, may result in an excessive inflammatory response in people with psoriatic arthritis. (medlineplus.gov)
  • it changes your stress response system, your sort of 'fight or flight' type of response, and it also changes your sympathetic nervous system," said Dr Tietjen. (medscape.com)
  • Mechanical stress reduces plant yield, physical disturbance of plants or plant parts. (hortomallas.com)
  • The Mechanical stress reduces plant yield applied naturally or under controlled conditions. (hortomallas.com)
  • Furthermore, tissue geometry defines the spatial distribution of mechanical stress across the epithelium, which communicates mechanically over distances spanning hundreds of micrometers. (princeton.edu)
  • Supposed we have given a bar of cross section area 20 mm 2 and it subjected to a tensile load of 60 N. then calculate the stress induced in the body. (mechanicalbooster.com)
  • We found that to calculate the stresses accurately in these settings, we had to account for mechanical heterogeneities within the matrix, which we visualized and quantified using confocal reflectance and atomic force microscopy. (princeton.edu)
  • The complete integumentary organ system (IOS) regeneration and scarless wound healing mechanism, which occurs in specific species, body sites and developmental stages, clearly shows that mechanical stress signals and immune responses play important roles in determining the wound healing mode. (mdpi.com)
  • Gas reservoir geomechanics pyhiisalmen kaivo kaivo lappalainen pillar Finnish Hituran kaivo Rock stress Outokumpu Oy structural geology massive sulphide open pit wall rock international symposium Finland. (onepetro.org)
  • 1991). Both the physical and physiological long-term effects of mechanical conditioning must be more adequately define. (hortomallas.com)
  • Understanding how physical signals guide biological processes requires qualitative and quantitative knowledge of the mechanical forces generated and sensed by cells in a physiologically realistic three-dimensional (3D) context. (princeton.edu)
  • The greatest physical symptom that stress fractures manifest is pain in the hip, groin, or anterior thigh. (medscape.com)
  • Chamsart, S, Hewitt, C & Nienow, A 2005, ' The impact of fluid mechanical stress on Corynebacterium glutamicum during continuous cultivation in an agitated bioreactor ', Biotechnology Letters , vol. 27, pp. 693-700. (birmingham.ac.uk)
  • A case history describes the RMSS being used to evaluate a mechanical impact sealing machine at a limestone mine. (cdc.gov)
  • This will allow us to identify chaperone and degradation systems dedicated to the handling of mechanically unfolded and damaged proteins, and to elucidate the regulation of these systems under mechanical stress. (uni-bonn.de)
  • However, traditional TO focusing on compliance minimization can lead to high-stress concentrations and failure-prone geometries. (anl.gov)
  • This paper presents six case histories of mines that encountered roof falls or difficult ground conditions at the headgate caused by horizontal-stress concentrations. (cdc.gov)
  • Ancient and medieval architects did develop some geometrical methods and simple formulas to compute the proper sizes of pillars and beams, but the scientific understanding of stress became possible only after the necessary tools were invented in the 17th and 18th centuries: Galileo Galilei's rigorous experimental method, René Descartes's coordinates and analytic geometry, and Newton's laws of motion and equilibrium and calculus of infinitesimals. (wikipedia.org)
  • Matrix stiffness upregulates the ERα signaling via stress-mediated p38 activation and H3K27me3-mediated epigenetic regulation. (nature.com)
  • Training heavy elicits the most mechanical tension. (stack.com)
  • This range allows for mechanical tension and metabolic stress to balance out while allowing for high volumes of training, thus optimizing size gains. (stack.com)
  • In summary, these results suggested that mechanical stress promotes LFCs to produce IGF-1, which facilitates col-I and col-III synthesis via the IGF-1R/AKT/mTORC1 signaling pathway. (hindawi.com)
  • These results indicate that balsam fir trees respond to mechanical stress caused by shaking and/or baling, by a decline in water uptake, increase in ethylene and VTCs specifically, 3-carene, β-pinene and β-terpene leading to postharvest needle abscission, which was modulated by storage of trees at low temperature (3oC) and low VPD (0.26 kPa). (dal.ca)
  • The obtained results are analyzed, the stress intensity is checked for uniformity, the modifications of the structure are proposed. (izvuzmash.ru)
  • Aim: To investigate the effect of implant-abutment angulation and crown material on stress distribution of central incisors. (bvsalud.org)
  • Thus, characterizing the filamentation phenotype opens the door to understanding the physiology and adaptation of bacterial cells under stress and during colonization processes. (europa.eu)
  • In multicellular organisms, cells are permanently exposed to stress resulting from mechanical forces and their homeostasis relies on dedicated stress protection systems. (uni-bonn.de)
  • We measured stresses that developed in graphene-based supercapacitor electrodes and correlated the stresses to how ions move in and out of the material," Lutkenhaus said. (tamu.edu)
  • Stress may also be imposed on a material without the application of net forces, for example by changes in temperature or chemical composition, or by external electromagnetic fields (as in piezoelectric and magnetostrictive materials). (wikipedia.org)