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Finite element analysis library for computational mechanics applications

Home Page: https://mgroupntua.github.io/FEM/

C# 100.00%

finite-element-analysis structural-analysis thermal-analysis continuum-mechanics embbedings

fem's Introduction

FEM

MSolve library that support the spatial discretization method of Finite Elements.

Features

Elements: Both continuum and structural elements are supported. The continuum elementa can be utilized for both structural and thermal analysis. Specifically:
- Continuum Elements 2D
  1. Tri3
  2. Tri6
  3. Quad4
  4. Quad8
  5. Quad9
- Continuum Elements 3D
  1. Tet4
  2. Tet10
  3. Hexa8
  4. Hexa20
  5. Hexa27
  6. Wedge6
  7. Wedge15
  8. Wedge18
  9. Pyra5
  10. Pyra13
  11. Pyra14
- Structural Elements
  1. Beam2DCorotational
  2. Beam3DCorotationalQuaternion
  3. EulerBeam2D
  4. EulerBeam3D
  5. Rod2D
  6. Shell8 (Geometrically non-linear formulation)
- Special elements
  1. CohesiveShellToHexa8
  2. ConcentratedMass3D
  3. SpringDamper3D
Loading conditions:
- Nodal loads
- MassAccelerationLoads

Installation instructions

You can choose either to clone the solution or downloads it as a zip file.

Clone solution

Under the repository name, click Clone or Download option.

In the popup appearing choose the Use HTTPS option.

Use the to copy the link provided.
Open Visual Studio. In Team Explorer window appearing in your screen under Local Git Repositories click the Clone option. If Team Explorer window is not visible you can enable in View -> Team Explorer

In the text box appearing paste the link.

Click clone and Visual Studio will automatically download and import MGroup.FEM

Download as ZIP

Under the repository name, click Clone or Download option

Click Download ZIP option. MGroup.FEM will be downloaded as a ZIP file.
Extract the ZIP file to the folder of choice.
Double click on MSolve.IGA.sln file to open the code with Visual Studio

fem's People

Contributors

Stargazers

Watchers

Forkers

yianniskalogeris masi-dev vb6hobbyst7 cephdon theochristo kanberkav dsavvas gerasimos01 stefpyr93 alexios725 kostas91m evitatsot orestispps xiaoxiongnpu organizationusername yuanjinlong2001

fem's Issues

FEM Task Part 5

Tests/ Documentation

NEUReader
ElementPoreMassProvider/ElementPoreStiffnessProvider/ElementPoreDampingProvider
Hexa8u8p

FEM Tasks Part 3

Tests

Hexa8Fixed
Hexa8NonLinear
Hexa8DefGrad
EmbeddedCohesiveSubgrouping

Documentation

Nonlinear analysis

Hello there
Does the code support material nonlinearity also?
If yes, I would be thankful if you guide me with more information.

Cheers

FEM Task Part 4

Tests

ThermalRod
ThermalEmbeddedGrouping

Documentation

Does the current module support the following features?

@dimtsap Does the current module support the following features?

Spring-Tension Only/Compression Only
Rigid Elements for connection
Temperature Load Application

FEM Task Part1

Tests

EvalInterpolation2D/3D, InterpolationUtilities
InterpolationTruss1D
ContinuumElements3D (Shape function derivatives)
InverseInterpolationTri3

Documentation

FEM Tasks Part 2

Tests

Documentation

NaturalDeformationMode2D/3D
EulerBeam3D
All loads

Solid_Calculation of stresses

The calculation of the stresses with linear solid elements (hexa8) gives completely wrong results compared to abaqus.

Unit test and Integral test

Hello,
I've just influenced by the repositories of MGroup, specially this Finite Element repo.
I have some brief experience in FEM, and would be happy to contribute to this FEM project. I think two parts of documentation and integral test need development, and have a suggestions if you are interested.

As the FEM code is complicated itself, then I think the unit test is not enough, and there is need for integral test. by integral test i mean a whole FEM model be analysed with this library, and then out results (in first step nodal displacements, and after that support reaction and internal forces) be compared with other well known FEM software.

I've found unit tests in another repo named MSolve.Tests, but did not see any integral test in the codes. If you find it helpful, then I am interested to contribute in this area to the FEM project. I think better to do first for linear, then for nonlinear models.

Cheers

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