A novel SMA damper and its vibration reduction performance

被引：2
|
作者：
Ling Y.-H. [1 ]
Peng H.-H. [2 ]
Zhang S. [2 ]
机构：
[1] Architecture Design Research Institute, South China University of Technology, Guangzhou 510640, Guangdong
[2] Department of Civil Engineering, South China University of Technology, Guangzhou 510640, Guangdong
来源：
Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) | 2011年 / 39卷 / 06期
关键词：
Damper; Passive control; Seismic response; Shape memory alloy; Superelasticity;
D O I：
10.3969/j.issn.1000-565X.2011.06.021
中图分类号：
学科分类号：
摘要：
In this paper, first, the superelastic property of a domestic NiTi wire being 1mm in diameter was tested, and excellent superelasticity of the wire at room temperature was revealed. Then, by taking the wire as the material, a novel self-centering SMA (Shape Memory Alloy) damper was proposed, with its structure and working principle being also introduced. Moreover, a double-flag hysteretic curve of the damper was found from the simulation with Matlab. Finally, a dynamic time-history analysis of a one-story steel frame fixed with the SMA damper was carried out. The results indicate that the proposed SMA damper effectively suppresses structural displacement response by 52% and controls the structural acceleration response to a certain degree.
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页码：119 / 125
页数：6
相关论文
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