Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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A Study on the Buckling Strength of Plate Panels with Opening

유공판의 좌굴강도에 관한 연구

  • 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.)
  • 김을년 (현대중공업 기술개발본부 구조연구실) ;
  • 최익흥 (현대중공업 기술개발본부 구조연구실) ;
  • 권진칠 (현대중공업 조선사업본부 구조설계부) ;
  • 백점기 (부산대학교 조선해양공학과)
  • Published : 2010.04.20
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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

References

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