本文提出应用有限元应力分析方法，对关闭过程中阀碟和阀座的碰撞分别采用了弹性-刚性碰撞和弹性-弹性碰撞接触两种计算模型进行计算。
This paper probes into strength of gear by using collision theory, and takes involute direct column gear as an example, from which the author deduces the calculation formula of punching theory.
本文提出应用有限元应力分析方法，对关闭过程中阀碟和阀座的碰撞分别采用了弹性-刚性碰撞和弹性-弹性碰撞接触两种计算模型进行计算。
This paper probes into strength of gear by using collision theory, and takes involute direct column gear as an example, from which the author deduces the calculation formula of punching theory.
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