Analytical Investigation of Thin Rib-Stiffened Plates
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A buckled thin stiffened plate under uni-axial compression is analyzed analytically in this paper. In a first part, we present an exact solution and we examine the influence of the misplacement and mechanical characteristics of the stiffener on the critical buckling load, on the modes and on the buckling modes of the plate with a single rib-stiffener. In a second part, similar investigation is performed in the case of two rib-stiffeners. Specifically, attention is given to optimize expressions of the buckling mode, to examine the effect of the misplacement on the contribution coefficients of the buckling mode and the effect of stiffener parameters on the mode shapes
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