...有限元动力损伤分析;大坝与岩基地震损伤响应。 [gap=4296]dissipation for rock mass； Non-linear evolution of damaged material properties； Dynamic damage finite element； Damage response of great dam and rock foundation under earthquake；..
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通过改变钢桁梁模型桥单元刚度模拟其结构损伤，利用有限元结构动力分析程序对该模型桥在”损伤”前后进行了结构动力分析。
The dynamic behaviors of the model bridge are analyzed with FEM dynamic structural analysis program before and after the model bridge is damaged.
为了验证改进后托架结构的动力性能，本文建立了改进后的油泵托架的有限元模型，并利用该模型对改进后的油泵托架进行了模态分析和随机振动分析以及疲劳损伤计算。
In order to validate the dynamic characteristic of the improved fuel pump bracket, the new FEA model is set up and the modal analysis and the spectrum analysis are carried out.
用网络并行思路探讨了结构损伤动力有限元并行分析算法的实现方法，并在曙光- 1 0 0 0 A分布式并行计算机上进行了测试。
The parallel algorithm for dynamic finite element analysis of damaged structure is discussed in this paper, and the test is done on Dawning 1000a massively parallel processors system.
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