Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Numerical Simulations of Added Resistance and Motions of KCS in Regular Head Waves

선수 규칙파 중 KCS의 부가저항 및 운동성능 수치해석

  • Seo, Seonguk (Department of Ocean Engineering, Korea Maritime and Ocean University) ;
  • Park, Sunho (Department of Ocean Engineering, Korea Maritime and Ocean University)
  • 서성욱 (한국해양대학교 해양공학과) ;
  • 박선호 (한국해양대학교 해양공학과)
  • Received : 2016.10.19
  • Accepted : 2017.03.03
  • Published : 2017.04.20
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Abstract

As the International Maritime Organization (IMO) recently introduced the Energy Efficiency Design Index (EEDI) for new ships building and the Energy Efficiency Operational Indicator (EEOI) for ship operation, thus an accurate estimation of added resistance of ships advancing in waves has become necessary. In the present study, OpenFOAM, computational fluid dynamics libraries of which source codes are opened to the public, was used to calculate the added resistance and motions of the KCS. Unstructured grid using a hanging-node and cut-cell method was used to generate dense grid around a wave and KCS. A dynamic deformation mesh method was used to consider the motions of the KCS. Five wavelengths from a short wavelength (${\lambda}/LPP=0.65$) to a long wavelength (${\lambda}/LPP=1.95$) were considered. The added resistance and the heave & pitch motions calculated for various waves were compared with the results of model experiments.

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References

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