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Analysis of Resistance Performance of Modern Commercial Ship Hull Form using a Level-Set Method

Level-Set법을 이용한 일반상선의 저항성능 해석

  • Park, Il-Ryong (Korea Resesarch Institute of Ships and Ocean Engineering(KRISO), KORDI) ;
  • Kim, Jin (Korea Resesarch Institute of Ships and Ocean Engineering(KRISO), KORDI) ;
  • Van, Suak-Ho (Korea Resesarch Institute of Ships and Ocean Engineering(KRISO), KORDI)
  • 박일룡 (한국해양연구원 해양시스템안전연구소) ;
  • 김진 (한국해양연구원 해양시스템안전연구소) ;
  • 반석호 (한국해양연구원 해양시스템안전연구소)
  • Published : 2004.04.01

Abstract

The viscous free surface flow around KRISO container ship (KCS) is computed using the finite volume based multi block RANS code, WAVIS developed at KRISO. The free surface is captured with the Level-Set method and the realizable k-$\varepsilon$ model is employed for turbulence closure. The computations are carried out at model scale. For accurate free surface solution and its stable convergence the computations are performed with a suitable grid refinement around the free surface by applying an implicit discretization method based on a finite volume method to the Level-Set formulation. In all computational cases the numerical results agree well with experimental measurements.

Keywords

Level-Set Method;Commercial Hull form;Resistance Performance;Free Surface Flow;Turbulent Flow;Finite Value Method

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