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Comparison of CFD simulations with experimental data for a tanker model advancing in waves

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초록

In this paper, CFD simulation results for a tanker model are compared with experimental data over a range of wave conditions to verify a capability to predict the sea-keeping performance of practical hull forms. CFD simulations are conducted using WISDAM-X code which is capable of unsteady RANS calculations in arbitrary wave conditions. Comparisons are made of unsteady surface pressures, added resistance and ship motions in regular waves for cases of fully-loaded and ballast conditions of a large tanker model. It is shown that the simulation results agree fairly well with the experimental data,and that WISDAM-X code can predict sea-keeping performance of practical hull forms.

Abstract

In this paper, CFD simulation results for a tanker model are compared with experimental data over a range of wave conditions to verify a capability to predict the sea-keeping performance of practical hull forms. CFD simulations are conducted using WISDAM-X code which is capable of unsteady RANS calculations in arbitrary wave conditions. Comparisons are made of unsteady surface pressures, added resistance and ship motions in regular waves for cases of fully-loaded and ballast conditions of a large tanker model. It is shown that the simulation results agree fairly well with the experimental data,and that WISDAM-X code can predict sea-keeping performance of practical hull forms.

참고문헌 (6)

  1. Thin-layer approximation and algebraic model for separated turbulent flows, "Baldwin, B", AIAA, ~, pp.AIAAPaper 78-0257 (1978)
  2. Kashiwagi, M, "An analysis system for propulsive performance in waves", Journal. of the Kansai Society of Naval Architects, Japan, (241), pp.67~82 (2004)
  3. Kodama, Y., "Three-dimensional grid generation around a ship hull using the geometrical method", Journal of the Society of Naval Architects of Japan, 164, pp.1~8 (1988)
  4. Kodama, Y., "Representation of ship hull form using a multi-block grid", Journal of the Kansai Society of Naval Architects, (226), pp.85~90 (1996)
  5. Miyata, H, "A finite-difference simulation method for strongly interacting two-phase flow", Journal of the Society of Naval Architects of Japan, 163, pp.1~16 (1988)
  6. Orihara, H, "Evaluation of added resistance in regular incident waves by computational fluid dynamics motion simulation using an overlapping grid system", Journal of Marine Science and Technology, 8, pp.47~60 (2003)

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