Title: BUCKLING ANALYSIS AND OPTIMIZATION OF STIFFENED PLATES SUBJECTED TO SHEAR LOADING
Abstract: By using ANSYS finite element software,a series of plates are analyzed in order to study the role of stiffeners and to propose some limit conditions for an optimized design.The results show that the number of panels produced by intermediate transverse stiffeners should not be less than the value of plate's aspect ratio. In other words,the transverse stiffeners should divide the length of the plate to portions with length equal or less than its width.It is also shown that the optimum geometric properties of the stiffeners are related to the point when the buckling shape of a plate changes from the overall mode to a local mode.Furthermore,all stiffened plates,with a similar aspect ratio and number of stiffeners,have a specific value of Els/aD,for which the critical shear stress is optimal.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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