Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
在振动台上进行拱坝动力模型试验时，设置人工阻尼边界，以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
Traditionally, artificial knee-joints use hydraulic damping, which presents more angular resistance to fast rotational motion than to slow motion.
传统上，人工膝关节使用液压的阻尼，其特性是会对较快的旋转施予较大的阻力。
The article summarizes the dynamic analysis method and the artificial boundary and damping of numerical dynamic analysis in previous.
本文对以往数值动力时程分析过程中的动力分析方法、人工边界、阻尼等问题进行了总结。
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