Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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OVERSET-GRID SIMULATION TECHNIQUE FOR ANALYSIS OF 2-DOF SHIP MOTIONS IN WAVES

파랑 중 선박의 자유도 운동해석을 위한 중첩격자 기반의 수치해법

  • Heo, J.K. (Software, DNV Korea) ;
  • Ock, Y.B. (Dept. of Hyundai Maritime Research Institute, Hyundai Heavy Industries) ;
  • Park, J.C. (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Jeong, S.M. (Dept. of Naval Architecture and Ocean Engineering, Chosun University) ;
  • Akimoto, H. (Center for the advancement of research and education exchange networks in Asia, Osaka University)
  • Received : 2015.06.09
  • Accepted : 2015.08.20
  • Published : 2015.09.30
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Abstract

This paper introduces a computational method for analysis of the 6-DOF motions of a ship in waves using an overset grid technique which consists of inner and outer domains for representing body motions and numerical wave tank, respectively. High order interpolation scheme is employed to increase numerical accuracy over the interface where physical values, such as velocities and pressure, interact between the inner and outer domains. The numerical schemes and algorithm are addressed in the present paper. An application to motion of KCS container carrier in head waves is presented, and the comparison of responses on heave and pitch motions shows good agreement with those of model tests.

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References

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