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一五零七

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[求助] 如何在comsol中设置裂纹边界条件

我新学comsol,需要设置Griffith裂纹的界面条件,裂纹受拉伸载荷时可以张开,裂纹受压缩载荷时可以闭合,两裂纹面闭合接触时满足库伦摩擦准则。当纵波在含裂纹的结构中传播时,会交替存在拉伸和压缩。如下图所示,裂纹几何模型为椭圆。

我自己感觉应该设置成对边界,但椭圆会有四个边界,此时对边界应该怎样定义,在物理场中有应该怎样设置?请大神指点,不胜感激。

如何在comsol中设置裂纹边界条件
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