采用具有解析解的算例对铸造系统温度场及应力场有限元数值模拟软件进行理论验证 ,其目的在于对软件系统的正确性以及软件使用的正确性进行验证 ,算例的分析思路、技巧和方法可推广至求解更为复杂的实际问题 A numerical example of analytical solution is used to validate the finite element numerical simulation software of temperature field and stress field in casting system. The purpose is to verify the correctness of the software system and the correctness of the software. The analysis ideas, The method can be extended to solve more complicated practical problems