DYNAMIC INSTABILITY OF LAMINATED COMPOSITE PLATES WITH PIEZOELECTRIC ACTUATORS AND IN HYGROTHEMAL EN

来源 :The Third International Conference on Dynamics,Vibration and | 被引量 : 0次 | 上传用户：q3324079

【摘要】

：

【作者】

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S.Pradyumna A.Gupta

【机构】

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Department of Civil Engineering.National Institute of Technology,Rourkela 769008,India

【出处】

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The Third International Conference on Dynamics,Vibration and

【发表日期】

：

2010年4期

【关键词】

：

Dynamic instability hygrothernal environment piezoelectric actuators laminated c

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　　Use of composite materials in the structural components resulted in reducing the weight to increase their performance.These light weight structural components are susceptible to a variety of time-dependent and time-independent in-plane as well as out-of-plane loads.Therefore.it is necessary to have a better understanding of their dynamic stability characteristics leading to local or global failures.Structural elements subjected to in-plane periodic forces may induce transverse vibration.Resonance.known as parametric resonance, may occur for certain combinations of natural frequency of transverse vibration, the frequency of the in-plane forcing functions and the magnitude of the in-plane load.The spectrum of values of parameters causing unstable motion is referred to as the regions of dynamic instability.

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DYNAMIC INSTABILITY OF LAMINATED COMPOSITE PLATES WITH PIEZOELECTRIC ACTUATORS AND IN HYGROTHEMAL EN

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