An elastic viscoplastic material model was adopted to the asymptotic analysis on power law and logarithmic singularity of dynamic growing crack tip.

本文利用弹-粘-塑性材料力学模型，对动态扩展裂纹尖端的指数奇异性和对数奇异性进行了渐近分析。

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Reservoir-dam coupling vibration research, especially elasto-viscoplastic behavior research is a major content of dam earthquake-resistance analysis and is very important to engineering design.

库-坝的耦合振动研究一直是大坝抗震分析的重要内容，也是工程设计的重要依据。

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