Nonlinear free vibration analysis of piezoelastic laminated plates with interfac

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Nonlinear free vibration analysis of piezoelastic laminated plates with interface damage

This paper presents a nonlinear model for piezoelastic laminated plates with damage effect of the intra-layers and inter-laminar interfaces. Discontinuity of displace-ment and electric potential on the interfaces are depicted by three shape functions. By using the Hamilton variation principle, the three-dimensional nonlinear dynamic equa-tions of piezoelastic laminated plates with damage effect are derived. Then, by using the Galerkin method, a mathematical solution is presented. In the numerical studies, effects of various factors on the natural frequencies and nonlinear amplitude-frequency response of the simply-supported peizoelastic laminated plates with interfacial imperfections are discussed. These factors include different damage models, thickness of the piezoelectric layer, side-to-thickness ratio, and length-to-width ratio.水利论文6E&dIU|

作 者: Yi-ming FU Sheng LI Ye-jie JIANG  
作者单位:College of Mechanics and Aerospace, Hunan University, Changsha 410082, P. R.China 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2009 30(2) 
分类号:O1 
关键词:piezoelastic laminated plates   nonlinear free vibration analysis   interfacial damage   damage evolution   the Galerkin method  
机标关键词:interface damagelaminated platesdamage effectpiezoelectric layernatural frequencieselectric potentialnumerical studiesnonlinear modelGalerkin method 
基金项目:国家自然科学基金 
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