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Date of Publication:2000-01-01

Journal:船舶力学

Affiliation of Author(s):运载工程与力学学部

Volume:4

Issue:06

Page Number:28-38

ISSN No.:1007-7294

Abstract:The dynamic behavior of laminated composite plates with a delamination is investigated for elucidating physical and mechanical phenomena. The dynamic response analysis has been performed using the FEM based on the first order shear deformation theory. A delaminated constrain model of the laminated plate and a virtual interface element are developed to avoid the overlap and penetration between the upper and lower sublaminates at delamination region. A modified generalized orthotropic damping matrix is obtained considering multi-mode parameters. Some typical examples are given. Good agreement has been found in comparing the numerical results with that of others and experiments.

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