中文说明：维有限元静力问题分析程序，用matlab编写，采用20节点3维单元，可绘制应力云图。
English Description：
The program of 3D finite element static analysis is written in MATLAB, and the 20 node 3D element is used to draw the stress nephogram.
Static analysis of three dimensional finite element method
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中文说明：维有限元静力问题分析程序，用matlab编写，采用20节点3维单元，可绘制应力云图。
English Description：
The program of 3D finite element static analysis is written in MATLAB, and the 20 node 3D element is used to draw the stress nephogram.