中文说明：连续体拓扑优源代码只需输入以下参数即可高效实现结构拓扑优化nelx=160; %网格数nely=100; %网格数volfrac=0.2; %体积约束penal=3.0; %惩罚函数rmin=2.5; %过滤半径
English Description：
The source code of continuum topology optimization can efficiently realize the structure topology optimization by inputting the following parameters: nelx = 160;% mesh number nely = 100; & nbsp;% mesh number volfrac = 0.2;% volume constraint penal = 3.0;% penalty function Rmin = 2.5;% filter radius