Bending analysis of thick laminated rectangular plates with various boundary conditions
is presented using Generalized Differential Quadrature (GDQ) method. Based on the Reissner first
order shear deformation theory, the governing equations include a system of eight first order partial
differential equations in terms of unknown displacements, forces and moments. Presence of all plate
variables in the governing equations provide a simple procedure to satisfy different boundary
condition during application of GDQ method to obtain accurate results with relatively small number
of grid points even for plates with free edges .Illustrative examples including various combinations
of clamped, simply supported and free boundary condition are given to demonstrate the accuracy
and convergence of the presented GDQ technique. Results are compared with other analytical and
finite element predictions and show reasonably good agreement.
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