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作者:

He, Haoxiang (He, Haoxiang.) (学者:何浩祥) | Wang, Xiaobing (Wang, Xiaobing.) | Zhang, Xiaofu (Zhang, Xiaofu.)

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摘要:

In view of the disadvantages of the traditional low yield point steel plate dampers with high yield point and inadequate adjustability, a compound low yield point steel plate damper was presented, and it is composed of low yield point steel plates and common steel plates. Three kinds of new hollow shape steel plate dampers were presented, which include boundary hollow, interior hollow, and ellipse hollow. The 'maximum rigidity' and 'full stress state' were used as the new optimization objectives. The topology optimization of different hollow shapes was performed by the alternating optimization method to obtain the optimal shape. Finite element calculation of different forms of compound steel plate damper was carried out. The results show that the initial stiffness of the boundary optimization damper and interior optimization damper is lager, the hysteresis curves are full and the stress is homogeneous. The numerical simulation of two kinds of optimization model dampers with different material ratios and different was carried out. The results show that the yield point of compound steel plate dampers can be regulated. The overall seismic capacity of the frame structure with these two kinds of optimization model dampers was simulated and analyzed. It is evident that the boundary optimization model damper has better energy dissipation capacity. © 2018, Editorial Office of Journal of Vibration and Shock. All right reserved.

关键词:

Energy dissipation Shape optimization Yield stress Plates (structural components) Curve fitting Topology Seismology

作者机构:

  • [ 1 ] [He, Haoxiang]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [He, Haoxiang]Beijing Collaborative Innovation Center for Metropolitan Transportation, Beijing; 100124, China
  • [ 3 ] [Wang, Xiaobing]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Zhang, Xiaofu]Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing; 100124, China

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来源 :

Journal of Vibration and Shock

ISSN: 1000-3835

年份: 2018

期: 8

卷: 37

页码: 158-166 and 189

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 3

ESI高被引论文在榜: 0 展开所有

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