该程序是学者编写的一个插件，直接将该插件放在临时文件中即可使用，针对简单单胞施加周期性边界。(The program is a plug-in written by foreign scholars, which can be used directly in temporary files and impose periodic boundaries on simple cells.)

一款简单的ABAQUS施加周期性边界条件的插件(A Simple ABAQUS Plug-in with Periodic Boundary Conditions)

easy PBC插件，可以自动添加周期性边界条件，python开源代码(Easy PBC plug-in, can automatically add periodic boundary conditions, python open source code)