用于一维和二维传热问题的有限差分和有限元法数值计算-For one-dimensional and two-dimensional heat transfer finite difference and finite element method numerical calculation

实现ICEM二维网格的格式转换，可通过本程序将转换后的网格导入autodyn。(ICEM two-dimensional grid format conversion can be realized by this program, the converted grid can be imported into autodyn.)