3D free vibration analysis of laminated cylindrical shell integrated piezoelectric layers using the differential quadrature method

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Abstract

This paper addresses the free vibration problem of multilayered shells with embedded piezoelectric layers. Based on the three-dimensional theory of elasticity, an approach combining the state space method and the differential quadrature method (DQM) is used. The shell has arbitrary end boundary conditions. For the simply supported boundary conditions closed-form solution is given by making the use of Fourier series expansion. Applying the differential quadrature method to the state space formulations along the axial direction, new state equations about state variables at discrete points are obtained for the other cases such as clamped or free end conditions. Natural frequencies of the hybrid laminated shell are presented by solving the eigenfrequency equation which can be obtained by using edges boundary condition in this state equation. Accuracy and convergence of the present approach is verified by comparing the natural frequencies with the results obtained in the literatures. Finally, the effect of edges conditions, mid-radius to thickness ratio, length to mid-radius ratio and the piezoelectric thickness on vibration behaviour of shell are investigated. © 2010 Elsevier Inc.

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APA

Alibeigloo, A., & Kani, A. M. (2010). 3D free vibration analysis of laminated cylindrical shell integrated piezoelectric layers using the differential quadrature method. Applied Mathematical Modelling, 34(12), 4123–4137. https://doi.org/10.1016/j.apm.2010.04.010

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