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Type: Conference paper
Title: Buckling behaviour of laminated sandwich plates with soft core based on improved higher-order zig-zag theory
Author: Pandit, M.
Singh, B.
Sheikh, A.
Citation: Proceedings of the International Conference on Aerospace Science and Technology, 26 - 28 June, 2008:www1-www4
Publisher: Nationala Aerospace Laboratories
Publisher Place: India
Issue Date: 2008
Series/Report no.: INCAST 2008- 075
ISSN: 0263-8231
Conference Name: International Conference on Aerospace Science and Technology (2008 : Bangalore, India)
Statement of
M. K. Pandit, B. N. Singh and A. H. Sheikh
Abstract: An improved higher order zigzag theory for buckling of sandwich plates is presented. The present theory satisfies the conditions of transverse shear stress continuity at all the layer interfaces including transverse shear stress free conditions at the top and bottom surfaces of the plate. The variation of in-plane displacements through thickness direction is assumed to be cubic for both the face sheets and the core, while transverse displacement is assumed to vary quadratically within the core but it remains constant over the face sheets. The core is modeled as a three dimensional elastic continuum. An efficient C⁰ finite element is proposed for the implementation of the improved plate theory. The accuracy and range of applicability of the present formulation are established by comparing the present results with the standard results available in literature.
Description: Copyright © 2008 Elsevier Ltd All rights reserved.
DOI: 10.1016/j.tws.2008.03.002
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Appears in Collections:Aurora harvest 5
Civil and Environmental Engineering publications

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