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https://github.com/hariprasadr1hp/fem_matlab
A Matlab program which solves a static nonlinear FEM problem with linear shape functions, for an ideal elastic-plastic material
https://github.com/hariprasadr1hp/fem_matlab
Last synced: 3 days ago
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A Matlab program which solves a static nonlinear FEM problem with linear shape functions, for an ideal elastic-plastic material
- Host: GitHub
- URL: https://github.com/hariprasadr1hp/fem_matlab
- Owner: hariprasadr1hp
- Created: 2018-04-02T00:17:36.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2024-08-09T18:19:41.000Z (3 months ago)
- Last Synced: 2024-08-09T19:48:20.073Z (3 months ago)
- Language: MATLAB
- Homepage:
- Size: 268 KB
- Stars: 8
- Watchers: 1
- Forks: 2
- Open Issues: 0
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Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# FEM (Matlab/Octave)
A Matlab/Octave program which solves a static nonlinear FEM problem with linear
shape functions, for an ideal elastic-plastic material. Stress-Distribution,
elastic and plastic regimes, convergence crteria are generated
### How to run?
```bash
make
```
### Files:
- `input.m` :: The file to start with
- `ElastoPlastic.m` :: The file to calculate elastic + plastic strains
- `Elastic.m` :: The file to calculate elastic convergence
- `ElementRoutine.m` :: to determine J, B, N matrix values
- `MaterialRoutine.m` :: Material routine for elastic ideal-plastic material
- `exact.m` :: to calculate the analytical solution
### Procedure
Change the value in of 'mode' to either '1' or '2' in `Input.m` file to switch
between:
- `mode = 1` -> for calculating elastic convergence,
- `mode = 2` -> for calculating elastic + plastic strains
Can also modify the other parameters based on the needs:
- elements
- yield stress, E, Nu
- inner/outer radius
- Gauss points
- time-step
### Plots
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