Laplacian 2.0 by Bryan C. Smith

(1-3)D sparse Laplacian matrices with eigenvalues and eigenvectors. (laplacian, eigenvalues, eigenvectors)

laplacian2(numpts, varargin)

FELICITY by Shawn Walker

Finite ELement Implementation and Computational Interface Tool for You (finite element method, modeling, mathematics)

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

Obstacle problem in 1D and its aposteriori error estimate by Jan Valdman

Contact problem is solved by the Uzawa algorithm and the error of the solution is estimated. (contact problem, finite element method, aposteriori error est...)

A=mass1D(x)

A=stifness1D(x)

I=distance(u_nodal,u_constant)

HJfem_lite by Mika

Finite element assembly routines for linear triangles and tetrahedra. Also simple 3D visualization. (mathematics, modeling, fem)

affine_tet(p,t,tind)

affine_tri(p,t,tind)

cubemesh(N)

Simulation of transformation optics designed metamaterial for electromagnetic cloaking by Koppány

This Matlab code simulates the electromagnetic cloaking for finite length line and point sources. (electromagnetic cloak..., metamaterial, transformation optics)

EM_Cloaking.m

Animation.m

Magnetic Flux distribution using FEM by PRAVI

Magnetic Flux distribution using Finite Element Method. (fem, finite element method, biotsavart law)

parallel_conductors.m

solenoid.m

Plate Bending by Siva Srinivas Kolukula

Bending of thin plate under uniform transverse pressure is solved using Finite Element Method (fea, plate bending, plate)

BoundaryCondition(typeBC,coordinates)

Force(nnel,shape,P)

GaussQuadrature(order)

The Plane Stress Problem by Siva Srinivas Kolukula

Plate under uniform tension at its edges is solved using Finite Element Method (postprocessing, fem, plate)

GaussQuadrature(ngl)

PlotFieldonMesh(coordinates,nodes,component)

PlotMesh(coordinates,nodes)

Natural frequencies & buckling loads of columns using Finite Element Method by Siva Srinivas Kolukula

Natural frequencies and Euler buckling load are calculated using finite element method technique (natural frequencies a..., mode shapes, finite element method)

BoundaryConditions(sdof,bc)

PlotModeShapes(vec,fsol,beam,nbc)

[index]=eldof(iel,nnel,ndof)

Postprocessing in FEM by Siva Srinivas Kolukula

Postprocessing in Finite Element Method (finite element method, postprocessing)

PlotFieldonDefoMesh(coordinates,nodes,factor,depl,component...

PlotFieldonMesh(coordinates,nodes,component)

PlotMesh(coordinates,nodes)

Stress recovery by Siva Srinivas Kolukula

a code is written to extract stress in 2D plane stress analysis (finite element method, stress recovery, plane stress)

.....

Extrapolation(stressGP)

GaussQuadrature(ngl)

Two-yield elastoplasticity solver by Jan Valdman

Time-dependent 2D elastoplasticity solver for a two-yied model. (elastoplasticity, finite element method, hysteresis behaviour)

DPhi=evaluate_DPhi_plastic(U,P1prev,P2prev,plasticelements)

[Koordinaten,Elemente,Dirichlet,Neumann]=Lshape_mesh(number...

[Koordinaten,Elemente,Dirichlet,Neumann]=beam_2D_symetric_m...

3D Crouzeix-Raviart mortar finite element method by Jan Valdman

Implementation of 3D Crouzeix-Raviart mortar finite element (mathematics, 3d, mortar)

M_CR=stima_massCR_3D(elements3,coordinates,element2faces)

[M_CR Z]=stima_gradgradCR_3D(elements3,coordinates,element2...

[b_volumeforces, volumes]=rhs_CR_3D(elements3, coordinates,...

Double porosity model by Jan Valdman

Finite element solution of the double porosity model and its a posteriori error estimate (double porosity model, finite element method, a posteriori error es...)

[DIVDIVmatrixRT0 MASSmatrixRT0]=stima_divdivRT0(elements3,c...

[coordinates,NeueElemente,dirichlet,neumann,fatherelement]=...

[element2edges, edge2nodes]=getEdges(elements)

Computation of the Friedrich's constant for a unit square domain by Jan Valdman

Friedrichs' constant is computed for a unit square geometry and homogeneous Dirichlet conditions. (friedrichs constantfi..., friedrichs constant, finite element method)

[coordinates,elements3,dirichlet]=refinement_uniform(coordi...

[element2edges, edge2nodes]=getEdges(elements)

[matrix,I]=deleterepeatedrows(matrix)

FEMQWEBS by Khai Quang Le

Numerical calculation of all band edge energies in single quantum well. (bandstructure, quantum well, finite element method)

[f]=feMatrixQ(xL,xR)

[index]=feeldof1(iel,nnel,ndof)

[k,p,q]=feMatrixK(xL,xR)