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http://dx.doi.org/10.3744/SNAK.2010.47.2.210

A Study on the Buckling Strength of Plate Panels with Opening  

Kim, Ul-Nyeon (Structure Research Dep't, Hyundai Heavy Industries Co., LTD)
Choe, Ick-Heung (Structure Research Dep't, Hyundai Heavy Industries Co., LTD)
Kwon, Jin-Chil (Hull Initial Design Dep't, Hyundai Heavy Industries Co., LTD)
Paik, Jeom-Kee (Naval Architecture and Ocean Engineering, Pusan National Univ.)
Publication Information
Journal of the Society of Naval Architects of Korea / v.47, no.2, 2010 , pp. 210-224 More about this Journal
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 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 of the material and verified by experimental tests and results of nonlinear finite element computations.
Keywords
Buckling strength; Perforated plate; Perforated stiffened panel; Design formula; Ship structure;
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