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纯剪切应力状态有何特点?

问答题
2022-03-04 15:42
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正确答案

纯剪切应力状态下物体只发生形状变化而不发生体积变化。纯剪应力状态下单元体应力偏量的主方向与单元体应力张量的主方向一致,平均应力σm=0。其第一应力不变量也为零。


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