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Twin-skeg 형 컨테이너선 주위의 격자계 생성과 유동 해석Grid Generation and Flow Analysis around a Twin-skeg Container Ship
- Other Titles
- Grid Generation and Flow Analysis around a Twin-skeg Container Ship
- Issue Date
- 2004
- Publisher
- 대한조선학회
- Keywords
- Twin-skeg Type Stern(벌브형 쌍축 선미); Multi-block Grid Generation(다중블록 격자계 생성); CFD(계산유체역학); Hull Form Design(선형설계); Wave Pattern(파형); Wake (반류)
- Citation
- 대한조선학회 논문집, v.41, no.1, pp 15 - 22
- Pages
- 8
- Journal Title
- 대한조선학회 논문집
- Volume
- 41
- Number
- 1
- Start Page
- 15
- End Page
- 22
- ISSN
- 1225-1143
- Abstract
- Twin-skeg type stern shapes are recently adopted for very large commercial ships. However, it is difficult to apply a CFD system to a hull form having twin-skeg, since grid topology around a twin-skeg type stern is more complicated than that of a conventional single-screw ship, or of an open-shaft type twin-screw ship with center-skeg. In the present study a surface mesh generator and a multi-block field grid generation program have been developed for twin-skeg type stern. Furthermore, multi-block flow solvers are utilized for potential and viscous flow analysis around a twin-skeg type stern. The present computational system is applied to a 15,000TEU container ship with twin-skeg to prove the applicability. Wave profiles and wake distribution are calculated using the developed flowanalysis tools and the results are compared with towing tank measurements.
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