三维任意区域的四面体网格剖分，本代码为开源的Tetgen生成的代码，可以方便大家在三位有限元数值算例时计算复杂的区域-The tetrahedral mesh 3D any area of ​ ​ the code code open source Tetgen generation cases when the computational complexity of the area, you can easily three finite element numerica

FDTD open source software

Sfdtd is the squeleton of an end-user 3D-FDTD code and has been implemented for the comparison of various open boundary conditions in a traditional cubic grid. The code simulates an electric dipole in free space, which means that there is no material