对所有水位，地基辐射阻尼都带来坝体地震响应的全面降低，但不影响反应的总体规律。
Under each water level, the foundation radiation damping brings overall reduction of the dam body's earthquake responses, while having no noticeable effect on the response patterns.
计算结果表明，在结构抗震设计时，应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed.
该方法不但可以较好地模拟半无限地基的辐射阻尼，也能模拟远场地球介质的弹性恢复性能。
The method can simulate not only the radiation damping of semi-infinite soil, but also the elasticity recovery capacity of the far field media on the boundary.
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