等效阻尼 equivalent damping
- 文中,推导了TLD对结构风振反应的控制力和控制效果的等效阻尼比,介绍了悬吊AMD对设置TLD结构脉动风振反应的最优控制分析方法。
The equations for computing the structural response control force of TLD under wind vibration and the equivalent damp ratio of TLD are first derived. - 仿真结果表明,系统等效转动惯量和等效阻尼系数的变化以及负载压力和加载转矩的波动干扰,对系统控制性能的影响较大。
Simulation results reveal that equivalent rotational inertia, damping factor, fluctuating loading pressure and loading torque has comparatively large influence on control properties. - 在反分析中,提出了等效阻尼比的概念,并验证了等效阻尼比的可行性,从而大大降低了动力反演的计算量。
The concept of equivalent damp is presented in the back-analysis and the feasibility of the method based on equivalent damp is proved. Thus the computational quantity could be reduced enormously.
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