Parameter Optimization of Bi-directional Supporting Tuned Mass Damper (TMD) System Considering Damper Deflection Angle

被引：0
|
作者：
Tan P. [1 ,2 ]
Xiang Y. [1 ,2 ]
He H. [3 ]
Lan L. [1 ,2 ]
机构：
[1] School of Civil Engineering, Guangzhou University, Guangzhou
[2] Key Laboratory of Earthquake Resistance Earthquake Mitigation and Structural Safety of the Ministry of Education, Guangzhou University, Guangzhou
[3] Hunan Institute of Technology, Hengyang
来源：
Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering | 2022年 / 30卷 / 04期
关键词：
Bi-directional supporting; Damper deflection angle; H[!sub]∞[!/sub] optimization; Passive vibration control; TMD;
D O I：
10.16058/j.issn.1005-0930.2022.04.013
中图分类号：
学科分类号：
摘要：
The damping elements of the bi-directional supporting TMD generate deflection angles relative to the principal axis of the structure in the planar motion. Hence, the equations of motion of the bi-directional supporting TMD system considering damper deflection angle were established. Parametric analysis of the bi-directional supporting TMD considering damper deflection angle was conducted.Base on H∞ criteria and non-dominated sorting genetic algorithm, a numerical optimization was carried out for obtaining the optimal parameters of the bi-directional supporting TMD. A high-rise landscape tower was taken as an engineering example to investigate the influence of the damper deflection angle. The results reveal that ignoring the deflection angle of the TMD damper will overestimate the vibration control effect of the bi-directional supporting TMD. The optimized bi-directional supporting TMD can provide more equivalent damping, where the attenuation rate of structural displacement response reduced by 1.46% and the ultimate dissipation of damping energy rise 7.83%. Further, the bi-directional supporting TMD perform better energy dissipation capacity by decreasing the peak value of damping force and increasing the stroke of TMD. © 2022, The Editorial Board of Journal of Basic Science and Engineering. All right reserved.
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页码：951 / 962
页数：11
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