Based on the basic principle of finite element method, the program of plane 3 node solid element is written by MATLAB, which can better understand the basic theory of 3 node finite element.

2D3Node\Triangle2D3Node_Assembly.m
2D3Node\Triangle2D3Node_Main.m
2D3Node\Triangle2D3Node_Stiffness.m
2D3Node\Triangle2D3Node_Stress.m
2D3Node

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