The damping force model of the damper and the nonlinear mathematical model of vibration reduction system are established.

建立了新型磁流体阻尼器的阻尼力模型及其减振系统的非线性数学模型。

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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.

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。

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Calculating results show that the reduction of vibration displacement is mainly due to the structural damping variety caused by PZT actuators.

计算结果表明试验模型结构振动位移的减小主要取决于压电陶瓷驱动器所引起的结构阻尼变化。

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