本文借助分子动力学模拟研究了极高应变率下固体铜和液体铜由平面冲击导致的断裂。
MD simulations are carried out to study spallation in solid and liquid copper incuded by planar shock loading at exteme strain rates.
采用该模型模拟了脑部正碰的过程，得到了碰撞过程的速度、能量、应变和应力曲线。
With it we simulate a brain front crash process, and get the curves which describe the process's speed, energy, strain and stress.
强间断法的重要特征是在连续的位移场中研究位移不连续的问题，通过在间断上引入附加应变来模拟间断。
The essential features of the method are to study displacement discontinuity problems in continuous displacement field and to simulate discontinuity by introducing enhanced assumed strain.
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