• S. Jensen, 1992, p-version of the mixed finite element method for Stokes-like problems, Comp. (esaim-m2an.org)
  • P.-A. RAVIART and J. M. THOMAS, 1977, A Mixed Finite Element Method for 2-nd Order Elliptic Equations, in Mathematical Aspects of Finite Element Methods, Lecture Notes in Mathematics, 606, ed. (esaim-m2an.org)
  • C. JOHNSON, Numerical solutions of partial differential equations by the finite element methods, Cambridge University Press, 1987. (esaim-m2an.org)
  • In recent years, a number of finite element methods have been formulated for the solution of partial differential equations on complex geometries based on non-matching or overlapping meshes. (harvard.edu)
  • First-, second- and higher-order linear ordinary differential equations, system of differential equations, power series solution of differential equations, Laplace transforms, partial differential equations, numerical integration and derivation, numerical solution of differential equations. (atilim.edu.tr)
  • Therein, we find that the original variational inequality can be replaced by a sequence of semilinear partial differential equations (PDEs) that are readily discretized and solved with, e.g., high-order finite elements. (ox.ac.uk)
  • Work on a Ph.D. thesis on "Adaptive Finite Element Methods for the Identification of Distributed Parameters in Partial Differential Equations" under the supervision of Prof. R. Rannacher (Heidelberg). (colostate.edu)
  • This includes the construction, analysis, implementation and application of numerical methods for initial value problems, boundary value problems and different types of partial differential equations. (lu.se)
  • discretise ordinary and partial differential equations using finite difference and finite element methods and independently implement and apply such algorithms, · logically and with adequate terminology describe the construction of basic numerical methods and algorithms, · independently proceed from observation and interpretation of results to conclusion, and present and give an account of his or her conclusions on a scientific basis in a free report format. (lu.se)
  • Time dependent partial differential equations: numerical schemes for the diffusion equation. (lu.se)
  • Other topics include applications of eigenvalue, quadratic forms, Numerical Linear Algebra. (umassd.edu)
  • An introduction to numerical linear algebra. (umassd.edu)
  • Numerical linear algebra is fundamental to all areas of computational mathematics. (umassd.edu)
  • In numerical mathematics, the Uzawa iteration is an algorithm for solving saddle point problems. (wikipedia.org)
  • Your studies will cover the key areas of mathematics such as algebra, analysis, probability and statistics. (imperial.ac.uk)
  • As part of the Pure Mathematics specialisation, you will examine a variety of relevant concepts including Algebraic Number Theory, Functional Analysis, Topology and Probability Theory. (imperial.ac.uk)
  • F. Brezzi, J.-L. Lions, and O. Pironneau, Analysis of a Chimera method , Comptes Rendus de l'Academie des Sciences Series I Mathematics, 332 (2001), pp. 655--660. (siam.org)
  • Numerical Mathematics 43 (2003): 881-900. (mit.edu)
  • K.-J. Bathe and F. Brezzi , On the convergence of a four-node plate bending element based on Mindlin-Reissner plate theory and a mixed interpolation , The mathematics of finite elements and applications, V (Uxbridge, 1984) Academic Press, London, 1985, pp. 491-503. (ams.org)
  • Philippe G. Ciarlet , The finite element method for elliptic problems , Studies in Mathematics and its Applications, Vol. 4, North-Holland Publishing Co., Amsterdam-New York-Oxford, 1978. (ams.org)
  • TY - JOUR T1 - Achieving Superconvergence by One-Dimensional Discontinuous Finite Elements: The CDG Method AU - Ye , Xiu AU - Zhang , Shangyou JO - East Asian Journal on Applied Mathematics VL - 4 SP - 781 EP - 790 PY - 2022 DA - 2022/08 SN - 12 DO - http://doi.org/10.4208/eajam.121021.200122 UR - https://global-sci.org/intro/article_detail/eajam/20884.html KW - Finite element, conforming DG method, stabilizer free, super-convergent. (global-sci.org)
  • In the present paper, the flow in a square cavity, filled with a magnetic fluid, to which a magnetic field is applied parallel to the moving wall, is numerically analyzed by the finite element method on the basis of governing equations for magnetic fluids with internal rotation. (elsevierpure.com)
  • An introduction to ordinary differential equations and their analysis. (umassd.edu)
  • Topics cover first order linear and nonlinear ordinary differential equations, second order and higher order homogeneous and nonhomogeneous linear differential equations, the linear system of ordinary differential equations, qualitative analysis, numerical solutions, series solutions. (umassd.edu)
  • To solve the state and corresponding adjoint equations we use the multimesh finite element method. (siam.org)
  • Butcher, J. C. The Numerical Analysis of Ordinary Differential Equations . (mit.edu)
  • Gear, C. W. Numerical Initial Value Problems in Ordinary Differential Equations . (mit.edu)
  • Using tensor analysis, a complete 3-D set of field equations developed for elastic analysis of thick shells of revolution with arbitrary curvature and variable thickness along the meridional direction made of functionally graded materials (FGMs) by Nejad et al. (hindawi.com)
  • Nonetheless, it will be shown that the hemodynamic equations developed by Euler about 275 years ago, still undergird the most advanced numerical methods in use today for blood flow analysis in arterial networks. (scirp.org)
  • The overarching goal of the course is that the students on completion of the course should have acquired a thorough knowledge regarding the basics of numerical analysis for differential equations. (lu.se)
  • E. Hansen, A. Ostermann, Finite element Runge-Kutta discretizations of porous medium type equations , SIAM Journal on Numerical Analysis, 46 (2008) pp. 1769-1779. (lu.se)
  • E. Hansen, Convergence of multistep time discretizations of nonlinear dissipative evolution equations , SIAM Journal on Numerical Analysis, 44 (2006) pp. 55-65. (lu.se)
  • E. Engström, E. Hansen, Convergence analysis of the nonoverlapping Robin - Robin method for nonlinear elliptic equations , SIAM Journal on Numerical Analysis, 60 (2022) pp. 585 - 605. (lu.se)
  • M. SURI, 1990, On the stability and convergence of higher order mixed finite element methods for second order elliptic problems, Math. (esaim-m2an.org)
  • We further provide a numerical example to illustrate the convergence behaviour of the sequence generated by our algorithm. (projecteuclid.org)
  • Novelty of this work is the development of a finite element method using discontinuous $P_k$ element, which has two-order higher convergence rate than the optimal order. (global-sci.org)
  • Error analysis, stability and convergence. (lu.se)
  • E. Hansen, E. Henningsson, Additive domain decomposition operator splittings - convergence analyses in a dissipative framework , IMA Journal of Numerical Analysis, 37 (2017) pp. 1496 - 1519. (lu.se)
  • A rigorous convergence analysis of the method is performed and the accuracy of the method is investigated with numerical experiments. (lu.se)
  • M. R. DORR, 1984, The approximation theory for the p-version of the finite element method, SIAM J. Numer. (esaim-m2an.org)
  • S. JENSEN and M. VOGELIUS, 1990, Divergence stability in connection with the p version of the finite element method, RAIRO, Modélisation Math. (esaim-m2an.org)
  • This paper is concerned with the generalization of the finite element method via the use of non-polynomial enrichment functions. (degruyter.com)
  • Several methods employ this general approach, e.g. the extended finite element method and the generalized finite element method. (degruyter.com)
  • Here we focus on fundamental construction principles, approximation properties and stability of the respective numerical method. (degruyter.com)
  • To this end, we consider meshbased and meshfree generalizations of the finite element method and the use of smooth, discontinuous, singular and numerical enrichment functions. (degruyter.com)
  • We will demonstrate the performance and the favor of the method through numerical experiments. (degruyter.com)
  • To better explain the interaction between the main elements (excavation, soil, retaining wall and structure), a numerical approach based on the finite element method is used. (praiseworthyprize.org)
  • To develop the students' appreciation of the mathematical basis of the finite-element method. (bath.ac.uk)
  • After taking this unit the student should be able to: Understand the mathematical formulation of the finite element method when applied to linear problems. (bath.ac.uk)
  • Examples of such methods include the fictitious domain method, the extended finite element method, and Nitsche's method. (harvard.edu)
  • In this paper, we derive, in the framework of the ux-free method, strict bounds for the energy norm of the error associated to a finite element computation. (upc.edu)
  • An improvement of the classical finite element method is proposed in [1], the NURBS-Enhanced Finite Element Method (NEFEM). (upc.edu)
  • Based on the experimental data of Hangzhou soft clay samples, the new governing equation is solved with the finite element method. (hindawi.com)
  • Ciarlet, P. G. The Finite Element Method for Elliptic Problems . (mit.edu)
  • 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)
  • A numerical solution using finite element method (FEM) is also presented and good agreement was found. (hindawi.com)
  • Ziv and Perl [ 4 ] obtained the response of vibration analysis of a thick-walled cylindrical shell using FSDT theory and solved by finite difference method. (hindawi.com)
  • O. C. Zienkiewicz , The finite element method in engineering science , McGraw-Hill, London-New York-Düsseldorf, 1971. (ams.org)
  • The second, expanded and revised, edition of The finite element method in structural and continuum mechanics . (ams.org)
  • We solved the direct problem to obtain the strain field using the finite element method, after obtaining this strain field, we created synthetic experimental displacement data by simulation. (mechanics-industry.org)
  • The proximal Galerkin finite element method is a high-order, nonlinear numerical method that preserves the geometric and algebraic structure of bound constraints in infinitedimensional function spaces. (ox.ac.uk)
  • Proximal Galerkin: A structure-preserving finite element method for pointwise bound constraints arXiv preprint arXiv:2307.12444 2023. (ox.ac.uk)
  • The Poisson equation: finite differences and the finite element method. (lu.se)
  • Introduction: The finite element method (FEM) involves a series of computational procedures to calculate the stress in each element, which performs a model solution. (bvsalud.org)
  • Literature review: This paper shows the basic concept, advances, advantages, limitations and applications of finite element method (FEM) in dentistry. (bvsalud.org)
  • The finite element method (FEM) is a numerical procedure for analyzing structures. (bvsalud.org)
  • This forms the basis for numerical calculations based on the finite element method. (lu.se)
  • We address this issue by proposing a new method based on approximating the covariance operator $L^{-2\beta}$ of the Gaussian field $u$ by a finite element method combined with a rational approximation of the fractional power. (lu.se)
  • An elastic-plastic constitutive law based on the Mohr-Coulomb criteria is used to describe the soil behavior, and contact soil-retaining wall is modeled by interface elements. (praiseworthyprize.org)
  • Modelling of materials behavior in finite element analysis and simulation of machining processes: Identification techniques and challenges. (routledge.com)
  • The importance of numerical models to predict the behavior of physical systems grows continuously. (upc.edu)
  • This paper aims to analyze nonlinear finite strain consolidation with secondary consolidation behavior. (hindawi.com)
  • However, the secondary consolidation behavior is not considered in the majority of existing finite strain consolidation theories. (hindawi.com)
  • So it is necessary to consider the secondary consolidation behavior in the study of finite strain consolidation. (hindawi.com)
  • A better understanding of the behavior of the gob will allow numerical models to be more accurate for simulating longwall mining conditions. (cdc.gov)
  • In this study, a gob model based on the Terzaghi's model was incorporated into the comprehensive finite element package, ABAQUS, to simulate the loading behavior of longwall gob material. (cdc.gov)
  • C. JOHNSON and V. THOMÉE, 1981, Error estimates for some mixed finite element methods for parabolic type problems, RAIRO Anal. (esaim-m2an.org)
  • There will be a strong emphasis on principles of modelling and data analysis and you will learn to use the formal language of probability. (imperial.ac.uk)
  • Numerical modelling of sinker EDM processes. (routledge.com)
  • Computational modelling of fibre-reinforced cementitious composites: An analysis of discrete and mesh-independent techniques. (tudelft.nl)
  • SIAM Journal on Numerical Analysis, Bd. (oeaw.ac.at)
  • Use a commercially available element package to model linear and nonlinear static problems. (bath.ac.uk)
  • Hands-on use of a commercially available finite element package to solve problems in linear and nonlinear stress analysis. (bath.ac.uk)
  • Examples in linear and nonlinear analysis. (bath.ac.uk)
  • Taking the nonlinear compressibility and nonlinear permeability of soils into consideration, the governing equation for finite strain consolidation analysis is derived. (hindawi.com)
  • The complete latent variable proximal Galerkin methodology combines ideas from nonlinear programming, functional analysis, tropical algebra, and differential geometry and can potentially lead to new synergies among these areas as well as within variational and numerical analysis. (ox.ac.uk)
  • numerical solution of nonlinear systems, unconstrained optimization. (sc.edu)
  • Even more attention has been spent for glass systems under blast loading, including - when possible - both experimental and Finite Element (FE) numerical investigations (Larcher et al. (glassonweb.com)
  • The experimental data was used as in-put data and for validation of the engineering model of EN 12354/ISO 15712 for the prediction of flanking sound insulation in buildings. (researchgate.net)
  • Experimental and numerical studies have shown that it is structural inhomogeneity which is responsible for free surface roughening in the absence of external forces. (frontiersin.org)
  • A re-calibration of the created experimental and simulated data is done based on the principle of the finite element model updating (FEMU), used in almost all domains, in the inverse problem. (mechanics-industry.org)
  • The paper represents the first comprehensive experimental and numerical study for engineering failure analysis and appropriate design for the permanent mechanical support system for the tomb of the Sons of Ramesses II (KV5). (springer.com)
  • The engineering analysis had been carried out through the following four steps: 1-Evaluation of the surrounding rocks (marl limestone) by experimental investigation and the Roclab program to obtain Hoek Brown Classification criterion, Mohr- Coulomb fit and the rock mass parameters in particular the global strength and deformation modulus. (springer.com)
  • In addition, computer simulations on a model system of cartilage with the aim of going beyond the use of an ideal Donnan equilibrium approach in the analysis of experimental data pertaining to distribution of (Gd-DTPA)2 from MRI-data are performed. (lu.se)
  • Christ, H-J (2015) Numerical simulations of crack propagation in screws with phase-field modeling. (oeaw.ac.at)
  • This paper presents some of major outcomes of Finite Element (FE) numerical methods and simulations that have been explored in the framework of the GLASS-SHARD research project for glass windows and facades under explosion or soft-body impact. (glassonweb.com)
  • According to the tendency of recent years, this paper presents some of major outcomes of Finite Element (FE) numerical methods and simulations that have been explored in the framework of the GLASS-SHARD research project for glass windows and facades under explosion or soft-body impact. (glassonweb.com)
  • Particle Finite Element Modeling and Simulation of Machining Processes. (routledge.com)
  • Finite Element Modeling of Mechanical Micromachining. (routledge.com)
  • High level modeling and analysis of physical defect due to radiations of microelectronics systems. (concordia.ca)
  • Modeling and analysis of biological systems. (concordia.ca)
  • The detailed modeling information, relevant parametric analysis results and recommendations for practical application of this type of shear resisting system are presented in this paper. (aisc.org)
  • 3- 2D and 3D integrated geotechnical modeling of the tomb environment for stress, displacement analyses and determination of volumetric strains and plastic points using advanced codes and programs like Examine 2D and PLAXIS 3D. (springer.com)
  • Numerical modeling of the gob loading mechanism in longwall coal mines. (cdc.gov)
  • In the limited data available, the values of gob moduli used in numerical modeling ranged from 1,000 psi to over 300,000 psi. (cdc.gov)
  • This can be attributed to mechanical engineering principles that are present in these specialties, favoring the use of finite element modeling. (bvsalud.org)
  • This can be accomplished by combining DXA imaging, a pre-developed shape template, statistical shape modeling, and finite element analysis (FEA). (lu.se)
  • We also propose a modification of a known scheme that allows the use of linear finite element approximation and we prove optimal error bounds. (ams.org)
  • Bathe, K. J. Finite Element Procedures . (mit.edu)
  • By using a soft rubber material model, we setup a numerical model of the microvalve and validate it against experiments. (caltech.edu)
  • independently evaluate obtained numerical results in relation to the (unknown) solution of the differential equation studied, · independently present results and conclusions of scientifically performed numerical experiments, in written or oral form, with references and other documentation of work carried out in support of their conclusions. (lu.se)
  • This course will cover direct numerical methods for solving linear systems and linear least squares problems, stability and conditioning, computational methods for finding eigenvalues and eigenvectors, and iterative methods for both linear systems and eigenvalue problems. (umassd.edu)
  • In the present paper we compute upper and lower bounds for limit analysis in two and three dimensions. (upc.edu)
  • Maximal $L^p$-regularity, optimal $\ell^p(L^q)$ error estimate, and $\ell^p(W^{1,q})$ estimate are established for fully discrete finite element methods with multistep backward differentiation formula. (arxiv.org)
  • Three-dimensional finite-element calculations of uniaxial tension are performed for a set of single inclusion models where a cubic-shaped inclusion is embedded into a homogeneous matrix. (frontiersin.org)
  • b , 2019 , 2020 ), three-dimensional finite difference and finite element calculations were performed for microstructural models with realistic morphological features. (frontiersin.org)
  • J. Jr. DOUGLAS and J. E. ROBERTS, 1982, Mixed finite element methods for second order elliptic problems, Mat. (esaim-m2an.org)
  • F. A. MlLNER and M. SURI, 1992, Mixed Finite Element Methods for Quasilinear Second Order Elliptic Problems : the p-version. (esaim-m2an.org)
  • independently and on a scientific basis select suitable computational algorithms for given problems, · apply such computational algorithms to problems arising from applications, · independently evaluate the relevance and accuracy of computational results, · present solutions of problems and numerical results in written form. (lu.se)
  • Use a commercially available finite-element package to analyse linear stress-strain problems in solid bodies. (bath.ac.uk)
  • derived the one-dimensional (1D) finite strain consolidation equation which was called the Gibson equation [ 12 ]. (hindawi.com)
  • Many scholars carried in-depth researches on finite strain consolidation [ 16 - 18 ]. (hindawi.com)
  • presented a coupling model for 1D finite strain primary-secondary consolidation [ 21 ]. (hindawi.com)
  • Numerical methods for solving initial value problems. (umassd.edu)
  • Cluster analyses were performed to determine if an algorithm could find clusters with given class memberships and to what extent misclassifications of dynamic failure status occurred. (cdc.gov)
  • Cluster analysis using a hierarchal clustering algorithm after dimensionality reduction resulted in four clusters, with one relatively distinct dynamic failure cluster, and three clusters mostly consisting of control group members but with a small number of dynamic failure members. (cdc.gov)
  • The analysis of load-bearing capacity and the determination of blast protection levels for ordinary glass windows and façade components in buildings is known to represent a design and research issue of crucial importance. (glassonweb.com)
  • Such a structural analysis allows the determination of stress resulting from external force, pressure, thermal change, and other factors. (bvsalud.org)
  • In this paper, Finite element models of cold-formed steel framed shear walls sheathed by corrugated steel sheets were created in Abaqus software. (aisc.org)
  • Multiscale domain decomposition analysis of quasi-brittle materials. (tudelft.nl)
  • Analysis of iterative methods for saddle point problems. (wikipedia.org)
  • This general concept is applied to the analysis of the discrete maximum principle for the higher-order finite elements in one-dimension and to the lowest-order finite elements on simplices of arbitrary dimension. (degruyter.com)
  • This is carried out with the support of refined FE numerical models, within the framework of GLASS-SHARD research project. (glassonweb.com)
  • When choosing tFhe appropriate mathematical model, element type and degree of discretization are important to obtain accurate as well as time and cost effective solutions. (bvsalud.org)
  • Superconvergence of order two for the CDG finite element solution is obtained. (global-sci.org)
  • Students work in independent teams to design, implement, and evaluate an appropriate data integration, analysis, and display system. (umassd.edu)
  • The numerical model allows to evaluate the mechanical engagement of commonly used microvalve architectures and to analyze the performance of alternative geometries. (caltech.edu)
  • Researchers developed a numerical model to evaluate the performance of stopping materials and different wall geometries in a controlled environment. (cdc.gov)
  • Suitable mathematical models combined with powerful numerical methods have become indispensable to make accurate predictions. (upc.edu)
  • My research activities involve building subject-specific numerical models of the hip to improve the diagnosis and treatment of several hip-related diseases. (lu.se)
  • A. Bernland, E. Wadbro, and M. Berggren, Acoustic shape optimization using cut finite elements , Int. J. Numer. (siam.org)
  • 722 - Numerical Optimization. (sc.edu)
  • Nevertheless, they did not perform calculation or analysis to verify the rationality of the model. (hindawi.com)
  • studied the distortion mechanisms and the effect of welding sequence on panel distortion and utilized 2D finite element model. (intechopen.com)
  • Rocscience is pleased to announce a training course in Sydney, Australia, on using the company's RS3 3D finite element program to model tunnels and underground excavations. (rocscience.com)
  • 5 ], the finite element model updating by Kavanagh et al. (mechanics-industry.org)
  • 10 ] have used the Finite Element Model Updating (FEMU) which have been integrated to a DIC to identify parameters of a material in a crucifix form. (mechanics-industry.org)
  • The validity of the numerical model was verified based on previous test results. (aisc.org)
  • Agreement of the FEA results and test results indicated that the proposed numerical model was able to accurately predict the shear resistance of cold-formed steel shear walls with corrugated steel sheathing. (aisc.org)
  • We present a finite element model of polydimethylsiloxane (PDMS) fluidic microvalves. (caltech.edu)
  • In this study, NIOSH researchers conducted machine learning analysis to examine whether a model could be constructed to assess the probability of dynamic failure occurrence based on geochemical and petrographic data. (cdc.gov)
  • Analyses determined that 7 of the 18 geochemical parameters that were examined had the biggest impact on model performance. (cdc.gov)
  • Field studies and numerical model analyses assess the effect of dip in various stress conditions. (cdc.gov)
  • A calibrated three-dimensional finite element model, developed in conjunction with an underground test area, provided the critical components and design principals for a comprehensive parametric study. (cdc.gov)
  • This paper focuses on two mines in two different seams, conducting statistical analysis to determine which support combinations have proven to be most effective. (cdc.gov)
  • Cross-sectional study performed with nurses from 27 Brazilian states through application of the Brazilian Moral Distress Scale in Nurses (Portuguese acronym: EDME-Br) and descriptive statistical analysis. (bvs.br)
  • Yayla, Oguz (2015) Improving results on the pseudorandomness of sequences generated via the additive order of a finite field. (oeaw.ac.at)
  • The results demonstrate that there is congruence between the numerical and the exact results to a high order of accuracy. (projecteuclid.org)
  • The numerical analysis results indicated that the safety factor of the rock pillar structural supports is 1.37 and the overstress state is 1.28 MPa. (springer.com)
  • Such a wide variation in moduli would greatly affect the results of the numerical analysis. (cdc.gov)
  • The results obtained can then be studied using visualization software within the FEM environment to view a variety of parameters, and to fully identify implications of the analysis. (bvsalud.org)
  • Thereafter, the shape template and the 2D image of the patient, is used together with finite element analyses to assess the bone strength and the individuals' fracture risk. (lu.se)