Publications

Kharghani, N. and Guedes Soares, C. (2018) , “Experimental, numerical and analytical study of bending of rectangular composite laminates”, European Journal of Mechanics A- Solids (EJMAS), Vol. 72, pp. 155-174

The deflection of composite laminates and their maximum compressive and tensile strains under in-plane compression, buckling and post-buckling conditions are investigated in this study. For this purpose different equivalent single layer and layer wise theories based on polynomial and trigonometric shape functions are used. Then the RayleighRitz approximation technique and the principle of minimum potential energy are applied to obtain the unknown coefficients of the displacement fields. The results are compared with a three-dimensional finite element analysis and an experimental investigation. Mesh independency is also studied to evaluate the accuracy of the finite element results. Regarding to the computational costs and agreement of the analytical and numerical results with the experimental ones, the layer wise higher order shear deformation theory (LHSDT) based on polynomial shape functions is the most efficient and flexible theory in calculation of the deflection and strains for the very thin to thick laminates in the buckling and post-buckling conditions.

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