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1 International Journal of Applied Mechanics and Engineering

1 2015

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Inelastic stability analysis of uniaxially compressed flat rectangular isotropic CCSS plate

Ibearugbulem O. M., Eziefula U. G., Onwuka D. O.

International Journal of Applied Mechanics and Engineering

2015

Vol. 20, no. 3

637--645

This study investigates the inelastic stability of a thin flat rectangular isotropic plate subjected to uniform uniaxial compressive loads using Taylor-Maclaurin series formulated deflection function. The plate has clamped and simply supported edges in both characteristic directions (CCSS boundary conditions). The governing equation is derived using a deformation plasticity theory and a work principle. Values of the plate buckling coefficient are calculated for aspect ratios from 0.1 to 2.0 at intervals of 0.1. The results compared favourably with the elastic stability values and the percentage differences ranged from -0.353% to -7.427%. Therefore, the theoretical approach proposed in this study is recommended for the inelastic stability analysis of thin flat rectangular isotropic plates under uniform in-plane compression.