本文讨论了塑性流动理论中的理想刚塑性材料的动力学问题。
We discuss the dynamics problems of ideal rigid-plastic material in the flow theory of plasticity in this paper.
材料性质采用理想的刚塑性模型，混凝土屈服准则采用不考虑混凝土拉应力的修正的库伦屈服准则。
The materials are assumed to be rigid-perfectly plastic. Modified Coulomb failure criteria with tension cut-off are adopted to predict yielding of concrete.
两平行刚性圆盘挤压理想刚塑性介质时，通常考虑圆盘与介质的界面之间存在部分滑移。
Squeeze flow between two parallel disks is considered for rigid-plastic materials with partial wall slip.
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