Free Vibration of Composite Cylindrical Shells Based on Third-Order Shear Deformation Theory

Muneerah Saad AL Nuwairan, Saira Javed and Kenan Yildirim

Journal of Mathematics, 2021, vol. 2021, 1-13

Abstract: The focus of this study is to analyse the free vibration of cylindrical shells under third-order shear deformation theory (TSDT). The constitutive equations of the cylindrical shells are obtained using third-order shear deformation theory (TSDT). The surface and traverse displacements are expected to have cubic and quadratic variation. Spline approximation is used to approximate the displacements and transverse rotations. The resulting generalized eigenvalue problem is solved for the frequency parameter to get as many eigenfrequencies as required starting from the least. From the eigenvectors, the spline coefficients are computed from which the mode shapes are constructed. The frequency of cylindrical shells is analysed by varying circumferential node number, length dimension, layer number, and different materials. The authenticity of the present formulation is established by comparing with the available FEM results.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:3792164

DOI: 10.1155/2021/3792164

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