根据基于应变的失效准则和能量释放率准则来判断分层损伤的起始和扩展，以界面单元的失效表征分层扩展。
Criterions based on element strain level and energy release rate respectively were applied with the cohesive elements to estimate the initiation and evolution of the delamination.
在平面应变假设下，给出其二维精确解，并提供了机械应变能释放率和裂尖能量释放率等数值结果。
The two dimensional accurate solution is obtained on plane strain assumption, the numerical results of strain energy release rate and crack tip energy release rate are presented.
在平面应变假设下，给出其二维精确解，并提供了机械应变能释放率和裂尖能量释放率等数值结果。
The two dimensional accurate solution is obtained on plane strain assumption, the numerical results of strain energy release rate and crack tip energy release rate are presented.
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