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Numerical simulation method of viscous flow field of planing craft with free-surface at high speed
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Guo XIANG1, Yong-peng OU1, Jun-jie CHEN1, Hao WU2
Journal of Ship Mechanics | 2024, 28(7) : 1028 - 1039
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Journal of Ship Mechanics | 2024, 28(7): 1028-1039
• Hydrodynamics •
Numerical simulation method of viscous flow field of planing craft with free-surface at high speed
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Guo XIANG1, Yong-peng OU1, Jun-jie CHEN1, Hao WU2
Affiliations
  • 1.Department of Naval Architecture, Naval University of Engineering, Wuhan 430033, China
  • 2.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430033, China
Published: 2024-07-20 doi: 10.3969/j.issn.1007-7294.2024.07.006
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For a high-speed planing craft, remarkable variation of the sailing state may cause abnormal distribution of air-water on the bottom for numerical calculation. In order to match the mesh layout and free-surface, a numerical wave tank based on Reynolds-averaged Navier-Stokes (RANS) method was established with dynamic mesh and manual six degrees of freedom (6-DOF) motion model. The high-resolution interface capturing with volume-of-fluid model (HRIC-VOF) scheme was applied to calculate the bottom’s water-air distribution on the ship model. The influences of angle factor, sharpening factor, Courant number’s upper bound, Courant number’s lower bound and time step on the calculation results of water-air distribution and total resistance were explored. The comparison of calculation and experimental results indicates that the current method is feasible for high-speed crafts’resistance forecast and for capture of free-surface. The relative error is less than 4.5% for ship model’s velocity at 2-13 m/s when FV=0.96-5.78.

high-speed craft  /  viscous CFD  /  air-water abnormal distribution  /  HRIC-VOF method
Guo XIANG, Yong-peng OU, Jun-jie CHEN, Hao WU. Numerical simulation method of viscous flow field of planing craft with free-surface at high speed[J]. Journal of Ship Mechanics, 2024 , 28 (7) : 1028 -1039 . DOI: 10.3969/j.issn.1007-7294.2024.07.006
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Year 2024 volume 28 Issue 7
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.07.006
  • Receive Date：2024-01-12
  • Online Date：2026-03-26
  • Published：2024-07-20
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  • Received：2024-01-12
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Affiliations
    1.Department of Naval Architecture, Naval University of Engineering, Wuhan 430033, China
    2.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430033, China
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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