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Free vibration of angle-ply laminated conical shell frusta with linear and exponential thickness variations

Viswanathan, K. K. and Hafizah, A. K. N. and Aziz, Z. A. (2018) Free vibration of angle-ply laminated conical shell frusta with linear and exponential thickness variations. International Journal of Acoustics and Vibrations, 23 (2). pp. 264-276. ISSN 1027-5851

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Official URL: http://dx.doi.org/10.20855/ijav.2018.23.21164

Abstract

Free vibration of laminated conical shell frusta of variable thickness is studied using spline approximation. This problem includes first order shear deformation and considers shells as antisymmetric angle-ply orientation. The governing differential equations of the shells are resolved in terms of displacement functions and rotational functions. These functions are approximated using splines and the method of collocation is adopted for simultaneous algebraic equations. These equations become generalized eigenvalue problems and are solved numerically to avail eigenfrequencies and the corresponding eigenvectors. The variation of frequencies is analysed with respect to the cone angle, aspect ratio, material properties, number of layers, and thickness variation.

Item Type:Article
Subjects:Q Science > QA Mathematics
Divisions:Science
ID Code:79726
Deposited By: Fazli Masari
Deposited On:28 Jan 2019 06:37
Last Modified:28 Jan 2019 06:37

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