Journal
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
Volume 85, Issue -, Pages 38-44Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2014.05.003
Keywords
Buckling; Orthotropic plate; In-plane bending; Kantorovich method; Generalised Galerkin method
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An analytical solution of the buckling problem formulated for a rectangular orthotropic plate with two opposite edges clamped and another two edges free of load and support (CCFF) loaded by linearly distributed in-plane loads is presented. The Kantorovich procedure is employed to derive a governing equation and boundary conditions for the buckling problem which is subsequently solved using the generalised Galerkin method. The plate deflection is approximated by certain combinations of beam functions. The analytical formula for the critical load has been obtained and verified by comparison with a finite-element solution. Applications of this formula to the solutions of design problems have been demonstrated for the CCFF plates with various elastic characteristics and geometric parameters. (C) 2014 Elsevier Ltd. All rights reserved.
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