Abstract
A differential quadrature (DQ) nonlinear analysis of skew laminated composite plates is presented. The governing equations are based on first-order shear deformation theory (FSDT). The geometrical nonlinearity is modeled using Green’s strain and von Karman assumptions. DQ discretization rules in association with an exact coordinate transformation are simultaneously used to transform and discretize the equilibrium equations and the related boundary conditions. The effects of skew angle, thickness-to-length ratio, aspect ratio and also the impact due to different types of boundary conditions on the convergence and accuracy of the method are studied. The resulting solutions are compared to those from other numerical methods to show the accuracy of the method with less computational effort. Also, numerical solutions for the large deflection behavior of antisymmetric cross ply skew plates under different geometrical parameters and boundary conditions are presented.
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