说明：运用BESO方法实现MBB梁的一体化拓扑优化。

MBB梁 BESO MBB half-mbb-beam BESO方法；MBB梁；拓扑优化

说明：The level set version of structrual topology optimization in 88-lines. (MBB problem and Volume to Line problem). where the boundary of the struct...