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[2010] A Study on the Buckling Strength of Plate Panels with Opening

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Author Admin 작성일10-11-04 11:43 Hit60,925 Count Comments0 Count

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Journal of the Society of Naval Architects of Korea, vol. 47, No. 2, pp. 210-224, April 2010

A Study on the Buckling Strength of Plate Panels with Opening

Author(s): U.N. Kim, I.H. Choe, J.C. Kwon and J.K. Paik

Abstract :
The aim of the present study is to investigate the buckling strength of plates and stiffened panels with opening under transverse thrust and shear actions. It is observed that the existing design formulation for critical-buckling strength of plates are not valid for perforated plates, because the current design formulation trends can significantly overestimate or underestimate the load-carrying capacity of plates when plates when plates have large opening and/or are thick. A series of eigen value and elastic-plastic large deflection finite element analyses are carried out with varying the aspect ratio of plate, the opening size and location on plate until and after the ultimate strength is reached. Based on the results obtained from the present study, closed-form design formulations for the elastic buckling strength of plates and stiffened panels with opening are derived. The derived design formulations are considered plasticity correction or the material and verified by experimental tests and results of nonlinear finite element computations.

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