Transverse Vibration of Plate Structures With Elastically Restrained Edges by the Spline/Finite Strip Method

[+] Author and Article Information
Abdul Hamid Sheikh, Madhujit Mukhopadhyay

Department of Naval Architecture, Indian Institute of Technology, Kharagpur 721302, India

J. Vib. Acoust 115(3), 295-302 (Jul 01, 1993) (8 pages) doi:10.1115/1.2930348 History: Received September 01, 1991; Online June 17, 2008


The newly developed spline finite strip method has been applied to determine the natural frequencies of plates and stiffened plates with edged elastically restrained against translation and rotation. The stiffener has been modelled so that it can be situated anywhere within the plate strip. The formulation has been generalized in such a manner that it can handle general shaped plates and stiffeners having arbitrary orientation and eccentricity. A consistent formulation has been adopted to incorporate the contribution of the edge restraints in the structural stiffness matrix. Numerical examples as available in the literature are solved and the comparison of the results indicates good accuracy of the method. New results in the form of natural frequencies corresponding to the higher modes particularly for plates/stiffened plates with nonclassical boundaries are presented.

Copyright © 1993 by The American Society of Mechanical Engineers
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