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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 19
Edited by: B.H.V. Topping
Paper VI.3

Optimal Design of Plates for Shear Buckling

R. Levy and V. Sokolinsky

Department of Civil Engineering, Technion, Israel Institute of Technology, Haifa, Israel

Full Bibliographic Reference for this paper
R. Levy, V. Sokolinsky, "Optimal Design of Plates for Shear Buckling", in B.H.V. Topping, (Editor), "Developments in Computational Engineering Mechanics", Civil-Comp Press, Edinburgh, UK, pp 171-180, 1993. doi:10.4203/ccp.19.6.3
This paper is concerned with the structural optimization problem of maximizing the shear bucking load of rectangular plates for a given volume of material. Optimality conditions are first derived via variational calculus and a double cosine thickness varying plate and a hybrid double sine thickness varying plate are then fine tuned in a one parameter optimization search using a home coded program for analysis that utilizes the Rayleigh-Ritz method until convergence. Results indicate an increase of 33% in capacity for an orthotropic plate having 50% of the fibers in the 0° direction and the other 50% in the 90° direction.

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