Vibration Analysis of Composite Plate Embedded with SMA Fibers

被引:1
|
作者
Wang, Zhengliang [1 ]
Chen, Xiaoyang [1 ]
Jiang, Enyu [1 ]
Huang, Dishan [1 ]
Zhu, Xiaojin [1 ]
机构
[1] Shanghai Univ, Sch Mech Engn & Automat, Shanghai 200072, Peoples R China
来源
MANUFACTURING ENGINEERING AND AUTOMATION I, PTS 1-3 | 2011年 / 139-141卷
关键词
SMA; Recovery stress; ANSYS analysis; Steady-state vibration response; ACTIVE VIBRATION;
D O I
10.4028/www.scientific.net/AMR.139-141.2331
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Shape Memory Alloy(SMA)has advantages of great recovery stress and elastic modulus varied with the temperature, so it can be embedded in composite structure to active control structure deformation and vibration. In this paper, we have deducted the recovery stress at different temperature by modifying the phase-change coefficient Omega of Liang Constitutive Model[1], then base on epsilon= sigma/E equation, the recovery stress is translated into recovery strain. By using finite element software ANSYS, the natural frequency of composite plate at influence of recovery stress can be obtained under both ends of fixed conditions at three configurations. The steady-state vibration response of the composite plate embedded SMA fibers is also simulated. The results show that recovery stress of SMA can increase the natural frequency and can suppress vibration effectively.
引用
收藏
页码:2331 / 2335
页数:5
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