Journal of Applied Mathematics

Semi-Analytical Solution Based on Strip Method for Buckling and Vibration of Isotropic Plate

Mohamed A. El-Sayad and Ahmed M. Farag

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The present paper achieves a semianalytical solution for the buckling and vibration of isotropic rectangular plates. Two opposite edges of plate are simply supported and others are either free, simply supported, or clamped restrained against rotation. The general Levy type solution and strip technique are employed with transition matrix method to develop a semianalytical approach for analyzing the buckling and vibration of rectangular plates. The present analytical approach depends on reducing the strips number of the decomposed domain of plate without escaping the results accuracy. For this target, the transition matrix is expressed analytically as a series with sufficient truncation numbers. The effect of the uni-axial and bi-axial in-plane forces on the natural frequency parameters and mode shapes of restrained plate is studied. The critical buckling of rectangular plate under compressive in-plane forces is also examined. Analytical results of buckling loads and vibration frequencies are obtained for various types of boundary conditions. The influences of the aspect ratios, buckling forces, and coefficients of restraint on the buckling and vibration behavior of rectangular plates are investigated. The presented analytical results may serve as benchmark solutions for such plates. The convergence and efficiency of the present technique are demonstrated by several numerical examples compared with those available in the published literature. The results show fast convergence and stability in good agreement with compressions.

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J. Appl. Math., Volume 2013 (2013), Article ID 796274, 10 pages.

First available in Project Euclid: 14 March 2014

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El-Sayad, Mohamed A.; Farag, Ahmed M. Semi-Analytical Solution Based on Strip Method for Buckling and Vibration of Isotropic Plate. J. Appl. Math. 2013 (2013), Article ID 796274, 10 pages. doi:10.1155/2013/796274.

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