Analytical solution for buckling of asymmetrically delaminated Reissner's elastic columns including transverse shear

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The exact analytical solution of buckling in delaminated columns is presented. In order to investigate analytically the influence of axial and shear strains on buckling loads the geometrically exact beam theory is employed with no simplification of the governing equations. The critical forces are then obtained by the linearized stability theory. In the paper, we limit the studies to linear elastic columns with a single delamination, but with arbitrary longitudinal and vertical asymmetry of delamination and arbitrary boundary conditions. The studies of quantitative and qualitative influence of transverse shear are shown in detail and extensive results for buckling loads with respect to delamination length, thickness and longitudinal position are presented. © 2007 Elsevier Ltd. All rights reserved.




Kryžanowski, A., Saje, M., Planinc, I., & Zupan, D. (2008). Analytical solution for buckling of asymmetrically delaminated Reissner’s elastic columns including transverse shear. International Journal of Solids and Structures, 45(3–4), 1051–1070.

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