[1]肖尔田,韩玉林,李爱群,等.基于形状记忆合金超弹性阻尼器的结构振动控制和地震时程分析[J].东南大学学报(自然科学版),2003,33(5):605-609.[doi:10.3969/j.issn.1001-0505.2003.05.015]
 Xiao Ertian,Han Yulin,Li Aiqun,et al.Vibration control and earthquake transient dynamic analysis of a structural installation with a shape memory alloy pseudoelasticity damper[J].Journal of Southeast University (Natural Science Edition),2003,33(5):605-609.[doi:10.3969/j.issn.1001-0505.2003.05.015]
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基于形状记忆合金超弹性阻尼器的结构振动控制和地震时程分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
33
期数:
2003年第5期
页码:
605-609
栏目:
材料科学与工程
出版日期:
2003-09-20

文章信息/Info

Title:
Vibration control and earthquake transient dynamic analysis of a structural installation with a shape memory alloy pseudoelasticity damper
作者:
肖尔田1 韩玉林1 李爱群1 张志强1 张晓格2 黄镇1
1 东南大学土木工程学院, 南京 210096; 2 南京理工大学动力工程学院, 南京 210094
Author(s):
Xiao Ertian1 Han Yulin1 Li Aiqun1 Zhang Zhiqiang1 Zhang Xiaoge2 Huang Zhen1
1 College of Civil Engineering, Southeast University, Nanjing 210096, China
2 College of Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
关键词:
形状记忆合金 超弹性 阻尼器 结构振动控制 地震
Keywords:
shape memory alloy superelasticity damper structural control earthquake
分类号:
TG113
DOI:
10.3969/j.issn.1001-0505.2003.05.015
摘要:
首先讨论了一种NiTi形状记忆合金(SMA)丝超弹性耗能原理,然后分析了SMA丝耗能能力与预应变之间的关系.本文还设计了一种用于框架结构振动控制的SMA超弹性阻尼器,并将该种阻尼器安装在2层框架结构模型上,进行了框架结构振动控制实验,实验结果表明该种阻尼器的耗能效果明显,可以显著提高框架结构的振动衰减速率.同时,在地震波强迫振动条件下,对该框架结构进行了动力响应有限元法模拟,计算结果显示安装了SMA阻尼器后,框架的振动响应幅度大幅降低,振动衰减速度大幅提高.
Abstract:
The pseudoelasticity energy dissipation principle of a kind of NiTi shape memory alloy wire is discussed first in this paper. Then the relationship between pre-strain of SMA wire and its pseudoelasticity energy dissipation ability is discussed. It is found that the energy dissipation ability of pre-strained SMA wire is more than 2 times that of normal SMA wire. Third, a kind of damper, called an SMA pseudoelasticity damper in this paper, is developed from such a kind of SMA wire and installed in a frame model to verify the effectiveness of the damper devices. Experimental results show that the vibration decay of the SMA pseudoelasticity damper-controlled frame is much faster than that of the uncontrolled frame. Fourth, a finite element method is adopted to simulate the earthquake response of the frame model, both controlled and uncontrolled by SMA pseudoelasticity dampers. The numerical results illustrate that the earthquake response displacement of the frame models is reduced greatly and its vibration decay rate is increased effectively after the developed SMA pseudoelasticity dampers are fixed in it.

参考文献/References:

[1] Rogers C A,Liang C,Jia J.Structural modification of simply-supported laminated plates using embedded shape memory alloy fibers [J].Computers and Structures, 1991,38(5):569-580.
[2] Graesser E J,Cozzarelli F A.Shape memory alloys as new material for aseismic isolation [J].ASCE Journal of Engineering Mechanics,1991,117(11):2590-2608.
[3] Aiken I D,Nims D K,Whittaker A S,et al.Testing of passive energy dissipation systems [J].Earthquake Spectra,1993,9(2):335-369.
[4] Choi Seung-Bok,Cheong Chae-Cheon.Vibration control of a flexible beam using shape memory alloy actuartors [J]. Journal of Guidance,Control,and Dynamics,1996,19(5):1178-1180.
[5] Liang C,Rogers C A.Design of shape memory alloy springs with applications in vibration control[J]. Journal of Intelligent Material,Systems and Structures, 1997,8(4):314-322.
[6] 韩玉林,李爱群,林萍华.基于形状记忆合金的结构振动控制研究与展望[J].东南大学学报(自然科学版),2000,30(1):146-154.
  Han Yulin,Li Aiqun,Lin Pinghua.Research and prospect of civil structure vibration control by shape memory alloy [J].Journal of Southeast University(Natural Science Edition), 2000,30(1):146-154.(in Chinese)
[7] Lin P H,Tobushi H.Deformation properties of TiNi shape memory alloy [J].JSME International Journal,1996,39(1):108-116.

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金重点资助项目(50038010).
作者简介: 肖尔田(1979—),男,硕士生; 韩玉林(联系人),男,副教授.
更新日期/Last Update: 2003-09-20