Effect of Piezoelectricity on Nonlinear Free Vibration of Moderately Thick Laminated Piezoelectric Plates

Yu Fang Zheng; Li Qiong Deng

doi:10.4028/www.scientific.net/AMR.239-242.1223

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Effect of Piezoelectricity on Nonlinear Free...

Effect of Piezoelectricity on Nonlinear Free Vibration of Moderately Thick Laminated Piezoelectric Plates

Abstract:

On the basis of laminated plate theory and piezoelectric theory, the nonlinear free vibration governing equations for symmetric cross-ply moderately thick laminated piezoelectric plates are established. The Galerkin procedure furnishes an infinite system of equations for time functions which are solved by the method of harmonic balance. In the numerical results, the influences of piezoelectric effect and various location of piezoelectric layer on the nonlinear vibrating frequency of the laminated piezoelectric plates are discussed.