강체 충돌선의 충돌을 고려한 이중선체 유조선의 구조설계
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 1999.07
- 13페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 해양환경안전학회
ㆍ수록지정보 : 해양환경안전학회지 / 5권 / 2호
ㆍ저자명 : 이상갑, 박수송
영어 초록
The object of this study is to get the superior double hull structure to its crashworthiness against collision comparing absorbed energy capacities of its various types with each other, varying material properties, collision positions and velocities, and structural arrangements such as double hull width, web and stringer spaces, etc. Local absorbed energy capacities, failure behaviors and damage extents of their members are also considered during collision in addition to the estimations of their global ones. This paper describes a series of numerical simulations of collisions between DWT 45,000 oil tanker(struck ship) and DWT 10,500 rigid one(striking ships) using Hydrocode LS/DYNA3D. Collisions are assumed to occur at the middle of struck ship with striking one moving at right angle to its centerline. The following remarks were obtained through this study: More flexible the double hull structure is, much superior its crashworthiness against collision is. The increment of double hull width does not give much influence than other factors do. The exact use of material property such as failure strain is also important on the numerical simulation of collision.
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