Copyright © 1999 Elsevier Science Ltd. All rights reserved
Application of differential quadrature method to the delamination buckling of composite plates
Received 12 December 1996;
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Abstract
The delamination buckling response of a composite panel containing through-the-width delamination is numerically modeled using a solution that is based on the differential quadrature method (DQM). The composite is modeled as a general one-dimensional beam–plate having a through-the -width delamination that can be at any arbitrary location through its thickness; hence, dividing the domain into four regions. The DQM is applied to each region and with the imposition of appropriate boundary conditions, the problem is transformed into a standard eigenvalue problem. Numerical results are presented, illustrating the stability and validity of the method. The results also demonstrate the efficiency of the method in treating this class of engineering problem.
Author Keywords: Differential quadrature; Delamination; Buckling; Composites; Numerical methods; Grid spacing; Sampling-point schemes







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