Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Fundamental Study for the Development of an Optimum Hull Form

최적선형개발에 대한 기초연구

  • 최희종 (부산대학교 조선해양공학과) ;
  • 전호환 (부산대학교 조선해양공학과) ;
  • 정석호 (STX 조선주식회사 특수사업본부)
  • Published : 2004.06.01
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Abstract

A design procedure for a ship with minimum total resistance has been developed using a numerical optimization method called SQP(sequential quadratic programming) to search for different optimal hull forms. The frictional resistance has been estimated using the ITTC 1957 model-ship correlation line formula, and the wave resistance has been evaluated using a potential-flow panel method that is based on Rankine sources with nonlinear free surface boundary conditions. The geometry of a hull surface has been modified using B-spline surface patches, during the whole optimization process. The numerical analyses have been carried out for the modified Wilgey hull at three different speeds (Fn=0.25, 0.316, 0.408), and the calculation results were compared.

Keywords

References

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