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用一种新的形式较简单的纯幂律体积不可压缩罚函数本构方程形成罚函数有限元并进行计算．通过讨论不同条件对纯幂律全塑性裂纹解的影响和了解计算结果随影响因素变化的规律得到了与前人一致的结果．
A new simple form of pure power-law incompressible penalty function of pure power is used to form the penalty function finite element method. By discussing the influence of different conditions on pure power-law plastic crack and understanding the rule that the calculated results vary with the influencing factors, the result is consistent with the previous one.