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Bending analysis of laminated composite plates using isogeometric collocation method

Pavan, G S and Rao, Nanjunda K S (2017) Bending analysis of laminated composite plates using isogeometric collocation method. In: COMPOSITE STRUCTURES, 176 . pp. 715-728.

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Official URL: https://doi.org/10.1016/j.compstruct.2017.04.073


Isogeometric collocation has emerged as an efficient numerical technique for solving boundary value problems and is a potential alternative for Galerkin based Isogeometric methods. In this investigation, Isogeometric collocation has been proposed for the linear static bending analysis of laminated composite plates governed by Reissner-Mindlin theory. Three formulations are presented in this paper namely, standard primal formulation, mixed formulation and a locking-free primal formulation. The standard primal formulation adopts displacements and rotations as unknown field variables. Mixed formulation considers displacements, rotations and transverse shear forces as the unknown field variables. Locking-free primal formulation is a rotation-free formulation with displacements and transverse shear strains as the unknown field variables. Results for benchmark problems on bending of rectangular laminated composite plates are obtained and compared with the ones existing in the literature. The three formulations of Isogeometric collocation presented in this paper are assessed in terms of accuracy and the computational time required to assemble and solve the problem. (C) 2017 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 24 Aug 2017 04:59
Last Modified: 24 Aug 2017 04:59
URI: http://eprints.iisc.ac.in/id/eprint/57637

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