Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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SIMULATION OF RELATIVE MOTION OF FLOATING BODIES INCLUDING EFFECTS OF A FENDER AND A HAWSER

방현재와 계류삭 효과를 고려한 부유체의 상대운동 모사

  • Shin, Sangmook (Department of Naval Architecture and Marine Systems Engineering, Pukyong National University)
  • 신상묵 (부경대학교 조선해양시스템공학과)
  • Received : 2014.11.17
  • Accepted : 2015.01.08
  • Published : 2015.03.31
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Abstract

A developed code is applied to simulate relative motion of floating bodies in a side-by-side arrangement, including effects of a fender and a hawser. The developed code is based on the flux-difference splitting scheme for immiscible incompressible fluids and the hybrid Cartesian/immersed boundary method. To validate the developed code for free surface flows around deforming boundaries, the water wave generation is simulated, which is caused by bed movement. The computed wave profile and time histories of wave elevation are compared with other experimental and computational results. The effects of a fender and a hawser are modeled by asymmetric force acting on the floating bodies according to a relative displacement with the bounds, in which the fender and the hawser exert no force on the bodies. It has been observed that the floating body can be accelerated by a gap flow due to a phase difference caused by the free surface. Grid independency is established for the computed time history of the body velocity, based on three different size grids.

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References

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