Journal
COMPOSITE STRUCTURES
Volume 89, Issue 1, Pages 134-142Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2008.07.022
Keywords
Functionally graded material; Finite element methods; Mindlin-type element; Reissner-type element; Finite strain; Progressive damage analysis
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The authors [Oyekoya OO, Mba DU, El-Zafrany AM. Structural integrity of functionally graded composite structure using Mindlin-type finite elements. ICCES 2008:172(l): 1-6] have previously written a paper Oil Structural integrity of functionally graded composite (FGC) structure using Mindlin-type finite elements. In this paper, the Mindlin-type element and Reissner-type element have been further developed for the modelling of FGC plate Subjected to buckling and free vibration. The Mindlin-type element formulation is based on averaging Of transverse shear distribution over plate thickness using Lagrangian interpolation. The Reissner-type element formulation is based on parabolic transverse shear distribution over plate thickness using Lagrangian and Hermitian interpolation. The composite plate considered in this paper is functionally graded in the longitudinal direction only, but the FE code developed is capable of analysing composite plates with functional gradation in transverse and radial direction as well. This Study was able to show that the structural integrity enhancement and strength maximisation of composite Structures are achievable through functional gradation of material properties over the structure. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
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