Investigation of Pre-buckling Stress Effect on Buckling Load Determination of Finite Rectangular Plates with Circular Cutout
Publish place: Journal of Solid Mechanics، Vol: 10، Issue: 4
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JSMA-10-4_009
تاریخ نمایه سازی: 12 اسفند 1398
Abstract:
This paper investigates the buckling of finite isotropic rectangular plates with circular cutout under uniaxial and biaxial loading. The complex potential method is used to calculate the pre-buckling stress distribution around the cutout in the plate with finite dimensions. To satisfy the in-plane boundary conditions, the generalized complex-potential functions are introduced and a new method based on the boundary integral which has been obtained from the principle of virtual work is used to apply the boundary conditions at the plate edges. The potential energy of the plate is calculated by considering the first order shear deformation theory and the Ritz method is used to calculate the buckling load. The effects of cutout size, type of loading and different boundary conditions on the buckling load are investigated. Comparing of the calculated buckling loads with the finite element results shows the accuracy of the presented method for buckling analysis of the plates.
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Authors
S Abolghasemi
Faculty of Mechanical and Mechatronic Engineering, Shahrood University of Technology, Shahrood, Iran
H.R Eipakchi
Faculty of Mechanical and Mechatronic Engineering, Shahrood University of Technology, Shahrood, Iran
M Shariati
Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
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