Search Results for "extended finite element method"
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Showing 27 open source projects for "extended finite element method"
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xfemm
Cross platform electromagnetics finite element analyisis based on FEMM
Cross platform electromagnetics finite element analysis code, with very tight integration with Matlab/Octave. Development of xfemm now takes place on Github here: https://github.com/REOptimize-Systems/xfemm xfemm is a refactoring of the core algorithms of the popular Windows-only FEMM (Finite Element Method Magnetics, www.femm.info) to use only the standard template library and therefore be cross-platform. -
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DiInSo
DiInSo is orient to solve 3D direct and 2D/3D inverse problems of ERT
'Direct-Inverse Solver' (DiInSo) is an electrical resistivity tomography (ERT) software which orient to solve 3D direct and 2D/3D inverse problems on direct current (DC). X86 version of DiInSo is totally free and can be use in scientific purposes, but it also has not any guarantees, so use DiInSo at your own risk. READ CAREFULLY NEXT IMPORTANT MESSAGE NEVER use BLANKS and try to use only ENGLISH SYMBOLS in directories, filenames, paths and names of problems in program DiInSo. It is... -
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Finite Element Method Magnetics
Finite element analysis of electromagnetic devices
Solves low frequency magnetic, electrostatic, heat flow, and current flow problems on 2D and axisymmetric domains via the finite element method. -
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Display FEM (finite element method) grids. scroll, zoom, different colorings, sort them to increase cache efficiency and many other features
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RAtom
solves nonlinear Kohn-Sham equation for the neutral atom.
RAtom solves nonlinear Kohn-Sham equation for the neutral atom. The adaptive algorithm based on finite element method (FEM) is implemented. Discretization of the differential eigenvalue problem is done by finite element method with Lobatto polynomials as a basis functions. High order Gauss quadratures are applied in order to obtain the total energy of atom with absolut accuracy of 1E-6 hartree. Disctretization leads to generalized eigenvalue problem, which is solved by procedures from LAPACK libraries. ... -
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RSchr-5
Solves one-electron Schrödinger equation, with SLEPc and PETSc
RSchr-5 calculates the smallest eigenvalues of the one-electron Schrödinger equation. The solved problem is defined on the finite domain, which is a box. The problem is solved with the zero Dirichlet boundary conditions. The implemented algorithm uses Finite Element Method with B-splines as basis functions. Disctretization leads to generalized eigenvalue problem. Program RSchr-5 solves the generalized eigenvalue problem by algorithms implemented in SLEPc amd PETSc libraries. ... -
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Ulambator
boundary element based flow solver for microfluidics
Ulambator solves the depth-averaged Stokes equations using a boundary element method. The combination of both reduces the discretization effort from 3D to 1D. Hence the flow solver is well adapted to free interface flows in shallow geometries. The manual and tutorial codes are still being extended. New functions will be made available. For more user information please check http://lfmi.epfl.ch/ulambator -
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CFD2D
The incompressible Navier-Stokes equations solver in 2D domains
CFD2D is open source software for Linux for solving the non-dimensionalized incompressible Navier-Stokes equations (NSE) inside an arbitrary two-dimensional domain inscribed in a unit square with Dirichlet and "do-nothing" boundary conditions. The space discretization is based on Finite Element Method (FEM) using an approximately uniform triangular mesh. The two choices of FE spaces are offered, these are of the so called MINI-element and of the Taylor-Hood element. The first element consists of continuous piecewise linears with a cubic bubble function for the velocity field, and the second of continuous piecewise quadratics for the same. ... -
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Toastpp
Forward and inverse modelling in optical tomography
Toast++ is a C++ software package for modelling light transport in scattering media using the finite element method. It allows 3D reconstruction of absorption and scattering distributions inside an object from boundary measurements of light transmission, using steady state, time domain or frequency domain information. Matlab and Python bindings exist for ease of use and fast prototyping. -
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ciGen
ciGen is a short C++ code to generate cohesive interface elements.
Cohesive zone model (CZM) is a powerful method to study many cracking phenomena. Cohesive interface elements constitute a simple to implement yet valuable tool to implement CZM. This project provides a simple C++ code that reads a finite element mesh, modify it and generate cohesive interface elements where needed. It can read Gmsh (http://geuz.org/gmsh/) or ABAQUS input files and write the mesh to any format such as ABAQUS and jive (http://www.dynaflow.com/en_GB/jive.html). ... -
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OpenXfem++
OpenXfem++ is an XFEM (eXtended Finite Element Method) written in C++.
OpenXfem++ is an XFEM (eXtended Finite Element Method) written in C++ using object-oriented techniques. It supports propagation of multiple two dimensional cracks. Furthermore, it allows composite materials to be modeled on a structured mesh which is independent of the inclusions. The implementation is described in the following article An extended finite element library S Bordas, PV Nguyen, C Dunant, A Guidoum, H Nguyen‐Dang International Journal for Numerical Methods in Engineering 71 (6), 703-732. -
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A Windows finite element solver for low frequency 2D and axisymmetric magnetic problems with graphical pre- and post-processors.
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ViennaFEM
A finite element solver using state-of-the-art programming techniques.
ViennaFEM is a library-centric implementation of the finite element method in C++. It features a symbolic math kernel, which manipulates the strong or weak form of the problem and automatically derives the discrete form. ViennaFEM is built on top of the following libraries: ViennaMath provides the symbolic math kernel, ViennaGrid (with ViennaData) allows for a generic grid handling and quantity storage, while ViennaCL provides the linear solvers and GPU acceleration. -
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ViennaMath
A symbolic math kernel in C++
ViennaMath provides a symbolic math kernel which can be used either for compile-time processing, or for run-time evaluation. Unlike other symbolic math implementations, ViennaMath aims at providing a fast math layer for use with numerical methods such as the finite element method (cf. ViennaFEM) -
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The Virtual Geoscience Workbench for discontinuous systems is a computer software environment for modelling. We have made the combined Finite-Discrete Element Method (FEMDEM) the core of our solids technology.
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This is a program for numerical solution of Euler equations of compressible flows using discontinuous galerkin method. The code is written on top of the deal.II finite element library. Code has been moved to https://github.com/cpraveen/dflo
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Application for soft tissue modeling which provides on-line or off-line computation based on user's defined FEM (finite element method).
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chemfem is a high order finite element method that can solve general partial differential equations and the reacting Navier Stokes equations in particular.
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FSEM is a set of freeFEM++ scripts and C++ code to solve the drift-diffusion (DD) semiconductor device equations by the finite element method (FEM). It was initially developed for the nonlinear study of semiconductors under high optical injection.
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This is a client/server/CORBA software aiming at solving partial differential equations.The server provides the solver while the client provides the input data and the handling of the output using a graphic library, vtk.
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This projetct intends to build a visualization tool for Finite Element Method tetrahedral meshes created by a mesh generator called TetGen. The user will be able to see how good is the mesh using different parameters of quality.
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The ADFC code is a computational fluid dynamics (CFD) C++ solver for incompressible viscous flow over 2D and 3D geometries. It uses finite element and the characteristic method on unstructured meshes to solve Navier-Stokes equations.
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femke
Finite Element Method Kernel Engine
Femke (Finite Element Method Kernel Engine) provides a basic set of tools for solving finite element method systems for windows (x86/x64). Femke can be compiled as static library, dynamic library and as managed wrapper library. This project depends heavily on (not included): - OpenCASCADE (2D/3D modelling) - NetGen (2D/3D meshing) - NgSolve (assembling of system marices) - GetFEM++ (assembling of system marices) - OpenBLAS (Optimized Linear Algebra Routines) - SparseSuite (Solving sparse matrices) - MuParser (Expression interpreter) -
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Seismic Wave Propagation in 2D acoustic or elastic media using the following methods: Staggered-Grid Finite Difference Method, Spectral Element Method, Interior-Penalty Discontinuous Galerkin Method, and Isogeometric Method.
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PAI2008: Program for Finite Element Method Modelling. Written as a part of Engineer Application Programming class at Technical University of Czestochowa. Mostly concentrated around temperature distribution.
