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Free vibration of angle-ply conical shells with linear thickness variation

Viswanathan, Kodakkal Kannan and Ahmad Kailani, Nor Hafizah and Javed, Saira and Abdul Aziz, Zainal (2015) Free vibration of angle-ply conical shells with linear thickness variation. In: The 22nd International Congress on Sound and Vibration, 12-16 Jul, 2015, Italy.

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Abstract

This paper aims to study the effect of arbitrarily linearly varying thickness in the axial direction and edge conditions on the vibration characteristics of shear deformable conical shells. The application of spline function technique for predicting the free vibration of composite laminated conical shells is also investigated. The solutions of displacement functions are assumed in a separable form to obtain a system of coupled differential equations in terms displacement and rotational functions and these displacements and rotational functions are approximated by cubic spline. A generalized eigenvalue problem is obtained and solved numerically for an eigen frequency parameter and an associated eigenvector of spline coefficients. The effect of cone angle, aspect ratio, thickness variation, number of lay ups, stacking sequence, materials used on the stability of conical shells are also discussed. New results presented may be fruitful for the related fields.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:conical shells, system
Subjects:Q Science > QA Mathematics
Divisions:Science
ID Code:60739
Deposited By: Fazli Masari
Deposited On:28 Feb 2017 00:49
Last Modified:22 Aug 2017 03:08

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