Under the assumption of equivalent strain principle, a damage constitutive model is established based on Mohr-Coulomb criterion.
根据应变等效假设可得到基于莫尔—库仑准则的损伤本构方程。
In 3-d stress space, simplified form of Mohr-Coulomb equivalent area circle yield criterion is derived by adopting analytic geometry method.
在三维应力空间，采用解析几何的方法，导出了莫尔-库仑等面积圆屈服准则的简化形式。
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