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Numerical Simulation of Flow around Free-rolling Rectangular Barge in Regular Waves

규칙파중 횡동요 하는 사각형 바지선 주위 유동의 수치모사

  • Jung, Jae-Hwan (Department of Naval Architecture and, Ocean Engineering, Pusan National University) ;
  • Yoon, Hyun-Sik (Advanced Ship Engineering Research Center, Pusan National University) ;
  • Kwon, Ki-Jo (Department of Naval Architecture and, Ocean Engineering, Pusan National University) ;
  • Cho, Sung-Joon (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
  • 정재환 (부산대학교 조선해양공학과) ;
  • 윤현식 (부산대학교 첨단조선공학연구센터) ;
  • 권기조 (부산대학교 조선해양공학과) ;
  • 조성준 (부산대학교 조선해양공학과)
  • Received : 2010.11.24
  • Accepted : 2011.04.22
  • Published : 2011.04.30

Abstract

This study aimed at validating the adopted numerical methods to solve two-phase flow around a two-dimensional (2D) rectangular floating structure in regular waves. A structure with a draft equal to one half of its height was hinged at the center of gravity and free to roll with waves that had the same period as the natural roll period of a rectangular barge. In order to simulate the 2D incompressible viscous two-phase flow in a wave tank with the rectangular barge, the present study used the volume of fluid (VOF) method based on the finite volume method with a standard turbulence model. In addition, the sliding mesh technique was used to handle the motion of the rectangular barge induced by the fluid-structure interaction. Consequently, the present results for the flow field and roll motion of the structure had good agreement with those of the relevant previous experiment.

Keywords

References

  1. 김진, 김수환, 김광수, 박일룡, 반석호 (2006). "자유수면을 포함한 사각기둥의 횡동요 유체동역학 수치해석", 대한조선학회 논문집, 제43권, 제6호, pp 667-674.
  2. 박일룡, Hosseini, S.H.S., Stern, F. (2008). "비정상 RANS법과 중첩격자계 이용한 횡파중 선박운동 수치해석", 대한조선학회 논문집, 제45권, 제2호, pp 109-123.
  3. 배준환, 홍춘범, 곽현욱 (2009). "이동 격자법을 적용한 선박의 3차원 횡동요 운동 수치해석 연구", 한국해양과학기술협의회 공동학술대회, pp 632-640.
  4. 윤종성, 이민규, 정광효 (2005). "부유식 방파제의 설치에 다른 유동 및 난류구조 해석", 대한토목학회 논문집, 제25권, 제5B호, pp 375-383.
  5. 정광효, 서성부, 전호환 (2007). "사각형 바지선의 횡동요 와류감쇠에 대한 실험적 연구", 대한조선학회 논문집, 제44권, 제3호, pp 267-278.
  6. Dean, R.G. and Dalrymple, R.A. (1984). Water Wave Mechanics for Engineers and Scientists, World Scientific Publishing Co. Pte. Ltd, USA.
  7. Fluent Inc. (2006). Fluent 12.0 User Guide Manual, Fluent Inc., Levanon.
  8. Korpus, R.A. and Falzarano, J.M. (1997). "Prediction of Viscous Ship Roll Damping by Unsteady Navier-Stokes Techniques", Transaction of the ASME, Vol 119, pp 108-113. https://doi.org/10.1115/1.2828771
  9. Sarkar, T. and Vassalos, D. (2000). "A RANS-based Technique for Simulation of the Flow near a Rolling Cylinder at the Free Surface", Journal of Marine Science and Technology, Vol 5, pp 66-77. https://doi.org/10.1007/s007730070012
  10. Yeung, R.W., Liao, S.W. and Roddier, D. (1998). "On Roll Hydrodynamics of Rectangular Cylinder", Proceedings of the 8th International Offshore and Polar Engineering Conference, Vol 3, pp 445-453.