An unsymmetric FRC laminate C° finite element model with 12 degrees of freedom per node

Kant, Tarun ; Manjunatha, B. S. (1988) An unsymmetric FRC laminate C° finite element model with 12 degrees of freedom per node Engineering Computations, 5 (4). pp. 300-308. ISSN 0264-4401

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Official URL: http://www.emeraldinsight.com/journals.htm?article...

Related URL: http://dx.doi.org/10.1108/eb023749

Abstract

A C° finite element formulation for flexure-membrane coupling behaviour of an unsymmetrically laminated plate based on a higher-order displacement model and three-dimensional state of stress and strain is presented. This theory incorporates the more realistic non-linear variation of displacements through the plate thickness, thus eliminating the use of a shear correction coefficient. The discrete element chosen is a nine-noded quadrilateral with 12 degrees of freedom per node. The computer program developed incorporates the realistic prediction of interlaminar stresses from equilibrium equations. The present solution for deflection and stresses is compared with those obtained using three-dimensional elasticity theory, another higher-order shear deformation theory and Mindlin theory. In addition, numerical results for unsymmetric sandwich plates are presented for future reference.

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Deposited On:25 Feb 2013 10:36
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