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dc.contributor.authorSwaminathan, K.
dc.contributor.authorSangwai, G.R.
dc.identifier.citationInternational Journal of Earth Sciences and Engineering, 2011, Vol.4, 5, pp.143-151en_US
dc.description.abstractIn this paper two refined higher order computational models with 9 DOF and 12 DOF are considered. Analytical formulation developed and solutions obtained for the first time using these models for the stress analysis of antisymmetric angle ply sandwich plate. In addition, higher order model proposed by Reddy and the first order model already reported in the literature are also considered for the evaluation. A simply supported plate with SS-2 boundary conditions is considered for the analysis. The equations of equilibrium are obtained using Principle of Minimum Potential Energy (PMPE). Solutions are obtained in closed form using Navier s technique. In-plane stresses are computed using the three dimensional constitutive relationships and the transverse stresses by post processing technique. Extensive numerical results using all the models are compared with 3D elasticity solutions already available in the literature to decide the accuracy of model. After establishing accuracy of the solution method benchmark results and comparison of solutions are presented for multilayer sandwich plates. It is observed that ESL models with twelve DOF are accurate, efficient and simple. 2011 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.en_US
dc.titleStress analysis of Antisymmetric angle ply sandwich plates- analytical evaluation of refined higher order shear deformation theoriesen_US
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