대한조선학회 특별논문집 (Special Issue of the Society of Naval Architects of Korea)

대한조선학회 (The Society of Naval Architects of Korea)
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CSR기반 좌굴 두께 요건을 고려한 이중선체유조선의 종방향 구조부재의 최적설계 연구

Optimum Design for Longitudinal Strength Members of Double Hull Tankers with Central Long'l Bulkhead considering Buckling Thickness Requirement of Plate Panels based on Common Structural Rules

  • 조영천 (STX조선해양구조기술팀) ;
  • 이정철 (STX조선해양구조기술팀) ;
  • 이상복 (STX조선해양구조기술팀) ;
  • 신성광 (STX조선해양구조기술팀) ;
  • 장창두 (서울대학교조선해양공학과)
  • Jo, Young-Chun (Structure Technology Team, STX Offshore & Shipbuilding) ;
  • Lee, Jung-Chul (Structure Technology Team, STX Offshore & Shipbuilding) ;
  • Lee, Sang-Bock (Structure Technology Team, STX Offshore & Shipbuilding) ;
  • Shin, Sung-Kwang (Structure Technology Team, STX Offshore & Shipbuilding) ;
  • Jang, Chang-Doo (Dept. of Naval Architecture & Ocean Engineering, Seoul National University)
  • 발행 : 2011.09.30
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초록

The buckling assessment of plate panels described in common structural rules (CSR) is to be determined according to the buckling utilization factor with hull girder stresses calculated on net hull girder sectional properties. As the thickness requirement for the buckling assessment of plate panels is not explicitly given in CSR, a lot of time is spent to find the proper thickness of plate panels until reaching to an allowable buckling utilization factor. In this study, in order to reduce time and cost, the thickness requirement of plate panels satisfying buckling assessment was derived. The structural design system included with the thickness requirement for buckling assessment was developed. The system is called as Oil-tanker Automated Structural Investigation System (OASIS). The design result of longitudinal strength members using OASIS was verified by Nauticus Hull which is the rule scantling software of DNV. Finally, optimum design of a double hull tanker for the minimum weight using OASIS was presented.

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