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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 26
Edited by: M. Papadrakakis and B.H.V. Topping
Paper VIII.2

Vibration of Antisymmetric Laminated Plates using Eigensensitivity Analysis

O. Barton* and R. Reiss#

*Department of the Navy, United States Naval Academy, Annapolis, United States of America
#Department of Mechanical Engineering, Howard University, Washington, United States of America

Full Bibliographic Reference for this paper
O. Barton, R. Reiss, "Vibration of Antisymmetric Laminated Plates using Eigensensitivity Analysis", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Computational Mechanics", Civil-Comp Press, Edinburgh, UK, pp 239-252, 1994. doi:10.4203/ccp.26.8.2
Approximate closed-form expressions are developed to predict the vibration of rectangular angle-ply antisymmetric laminated composite plates. The set of partial differential equations is first represented in abstract form and then converted into discrete form using an Ritz approach. Sensitivity derivatives are determined which are used to provide a Maclaurin series representation of the laminate's frequency. A comparison of numerical results calculated for various boundary conditions using both the derived formula and the Rayleigh-Ritz method validates the accuracy of the approximate formula.

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