SEISMIC RESPONSE ANALYSIS FOR FRAME STRUCTURE WITH SUPER-ELASTIC SHAPE MEMORY ALLOY DAMPER
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摘要: 将超弹性形状记忆合金(SMA)阻尼器应用于框架结构的被动控制中。给出了超弹性形状记忆合金简化的本构模型,建立了结构-阻尼器体系的力学分析模型及其一般方程,通过模型结构在地震作用下的控制仿真分析和对比,验证了SMA阻尼器用于结构被动控制所具有良好的控制效果。Abstract: A super-elastic shape memory alloy(SMA) damper is used in frame structural passive control.A simplified constitutive model of the super-elastic SMA is given.The mechanical model and the vibration equation for the frame structure with SMA dampers are set up.The vibration control effect is verified by time-history analysis of the practical structure under the earthquake.The results show that the super-elastic SMA damper has good effect on structural vibration control.
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Key words:
- shape memory alloy /
- damper /
- super-elasticity /
- frame structure /
- vibration control
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