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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by:
Paper 22
Buckling and Post-Buckling Behaviour of Shear-Deformable Composite Laminated Plates using an Exact Finite Strip Method H.R. Ovesy1, E. Zia-Dehkordi1 and S.A.M. Ghannadpour2
1Department of Aerospace Engineering, Centre of Excellence in Computational Aerospace Engineering, Amirkabir University of Technology, Tehran, Iran
Full Bibliographic Reference for this paper
H.R. Ovesy, E. Zia-Dehkordi, S.A.M. Ghannadpour, "Buckling and Post-Buckling Behaviour of Shear-Deformable Composite Laminated Plates using an Exact Finite Strip Method", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 22, 2014. doi:10.4203/ccp.106.22
Keywords: high accuracy strip, moderately thick plates, post-buckling stage, first order shear deformation plate theory, Von-Karman's equations, full-analytical finite strip method..
Summary
A high accuracy finite strip for the buckling and post-buckling analysis of
moderately thick composite plates is presented in this paper by using first order
shear deformation theory. The method presented, which is designated by the name
full-analytical finite strip method, provides an efficient and extremely accurate
buckling solution in which the Von-Karman's equilibrium set of equations is solved
exactly, and the out-of-plane mode shapes and critical loads are obtained. In the
post-buckling stage, the Von-Karman's compatibility equation is solved exactly with
the assumption that the deflected form after buckling is a combination of buckling
modes obtained (single or multiple mode shapes). The principle of minimum
potential energy is invoked to solve for the unknown coefficients in the assumed
out-of-plane deflection and rotations functions.
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