Structural Strength Assessment of Simplified Mark III CS Plate

단순화된 Mark III 방열판의 구조 강도 평가에 관한 연구

  • 정한구 (군산대학교 조선공학과) ;
  • 양영순 (서울대학교 조선해양공학과)
  • Published : 2011.04.14

Abstract

LNG cargo containment system (CCS) has the primary function of ensuring adequate thermal insulation with keeping natural gas below its boiling point. From the viewpoint of structural design, this LNG CCS can be treated as a laminated composite structure showing complex structural responses under the sloshing load which can be defined as a violent behavior of the liquid contents in cargo tanks due to external forced motions. As LNG CCS type, Mark III containment system from TGZ is considered in this paper and then its structural strength assessment is performed based on a simple higher-order shear deformation theory and maximum stress, maximum strain, Tsai-Wu failure criteria developed for laminated composite plates. The assessment is performed to the initial failure of the Mark III CS plate by investigating failure locations and loads.

Keywords