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Analytical solution for bending and buckling response of laminated non-homogeneous plates using a simplified-higher order theory

Ferruh Turan, Muhammed Fatih Başoğlu, Zihni Zerin


DOI: https://doi.org/10.20528/cjsmec.2017.02.001

Abstract


In this study, analytical solutions for the bending and buckling analysis of simply supported laminated non-homogeneous composite plates based on first and simplified-higher order theory are presented. The simplified-higher order theory assumes that the in-plane rotation tensor is constant through the thickness. The constitutive equations of these theories were obtained by using principle of virtual work. Numerical results for the bending response and critical buckling loads of cross-ply laminates are presented. The effect of non-homogeneity, lamination schemes, aspect ratio, side-to-thickness ratio and in-plane orthotropy ratio on the bending and buckling response were analysed. The obtained results are compared with available elasticity and higher order solutions in the literature. The comparison studies show that simplified-higher order theory can achieve the same accuracy of the existing higher order theory for non-homogeneous thin plate.

Keywords


bending response; buckling response; shear deformation; higher-order theory; analytical solutions; non-homogeneous plates; non-homogeneity effect

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