Abstract
AbstractThis paper investigates the effect of rectangular cut-out on the buckling behaviour of isotropic square plate. Thin plates are used in many complex automobile, aviation and civil structures, and if there are any imperfections, then buckling load highly depends upon cut-out geometry and size. Cut-outs are generally used to lighten the structure and to access for maintenance of structure. This study investigates the critical buckling load for square isotropic plate with rectangular cut-out for simply supported boundary condition. Results for steel and aluminium plate are calculated for variation in thickness of plate, variation in aspect ratio of cut-out and variation in orientation of cut-out. Classical plate theory is used for analytical formulation and finite element analysis is carried out in Ansys software.KeywordsThin platesCritical buckling loadCut-outsVariation of different parameters
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