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本文建立了损伤理论与强度准则相结合的本构模型，在宏观裂缝出现以前用损伤力学理论及宏观裂缝出现以后仍考虑损伤用强度理论进行从损伤→开裂→破坏的全过程三维非线性有限元分析。结合实例计算，所得结果与其它软件分析结果有较好的可比性。
This paper establishes a constitutive model combining the damage theory with the strength criterion. After the occurrence of macro-fracture, the theory of damage mechanics and the appearance of macro-fracture still consider the damage strength theory to perform the whole process from damage to cracking to failure. analysis. Combined with the example calculations, the results obtained are comparable with other software analysis results.