The simplified prepressing-contact spring-damping system was studied in this dissertation. The nonlinear dynamic characteristic of this system was research by experiment method.
本文以简化的预紧接触式弹簧阻尼系统为研究对象，着重于用试验方法来研究系统在动态载荷作用下的非线性动力学特性。
The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
The finite element model, computation response of driving force and dynamic characteristic are established by taking double mass spring damping system for example.
以双质量弹簧阻尼系统为例建立有限元模型，计算动力响应以及动态特性。
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