Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/123208
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Type: Journal article
Title: Buckling behaviour of thin-walled laminated composite beams having open and closed sections subjected to axial and end moment loading
Author: Asadi, A.
Sheikh, A.H.
Thomsen, O.T.
Citation: Thin Walled Structures, 2019; 141:85-96
Publisher: Elsevier
Issue Date: 2019
ISSN: 0263-8231
1879-3223
Statement of
Responsibility: 
Arash Asadi, Abdul Hamid Sheikh, Ole Thybo Thomsen
Abstract: An efficient modelling technique based on one dimensional (1D) beam finite element analysis for buckling of thin-walled laminated composite beams having open/closed sections is proposed. The formulation derived has sufficient generality for accommodating arbitrary stacking sequences of the individual beam section walls, and includes all possible couplings between axial, shear, bending and torsional modes of deformation. The effects of transverse shear deformation of the section walls and out-of-plane warping of the beam section are considered where provision exists to restrain or allow warping deformation. The incorporation of shear deformation leads to a problem in the finite element implementation of the proposed beam kinematics, but this is successfully addressed adopting a novel modelling concept. Numerical results obtained for the sample cases of open sections I beams and closed section box beams are presented. The numerical results are benchmarked/compared to data available in open literature, and it is shown that the proposed model performs very well. Finally, a study of the effect of axial and end moment loading, acting alone or in combination, on the buckling response of thin-walled composite beams is presented.
Keywords: Thin-walled composite beams; buckling; shear deformation; warping; finite element modelling
Rights: © 2019 Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.tws.2019.04.005
Published version: http://dx.doi.org/10.1016/j.tws.2019.04.005
Appears in Collections:Aurora harvest 8
Civil and Environmental Engineering publications

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