Numerical prediction of hydrodynamic forces on a ship passing through a lock

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• 作者：Hong-zhi Wang (1)
  Zao-jian Zou (1) (2)
  
• 关键词：ship ; lock hydrodynamic interaction ; numerical simulation ; dynamic mesh ; sliding interface
• 刊名：China Ocean Engineering
• 出版年：2014
• 出版时间：June 2014
• 年：2014
• 卷：28
• 期：3
• 页码：421-432
• 全文大小：
• 参考文献：1. Ch’ng, P. W., Doctors, L. J. and Renilson, M. R., 1993. A method of calculating the ship-bank interaction forces and moments in restricted water, / International Shipbuilding Progress, 40(421): 7-3.
  2. Delefortrie, G., Willems, M., Laforce, E., Vantorre, M., De Mulder, T., De Regge, J. and Wong, J., 2008. Tank test of vessel entry and exit for third set of Panama locks, / Proceedings of International Navigation Seminar Following PIANC AGA 2008, Beijing, China Communications Press, 517-23.
  3. Delefortrie, G., Willems, M., Vantorre, M. and Laforce, E., 2009. Behavior of post panamax vessels in the Third Set of Panama locks, / Proceedings of MARSIM-9, International Conference on Marine Simulation and Ship Maneuverability, Panama City, Panama.
  4. De Mulder, T., 2009. Paper 7-Mooring forces and ship behaviour in navigation locks, / Proceedings of International Workshop on Innovations in Navigation Lock Design, Brussels, Belgium, 1-.
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  6. Norrbin, N. H., 1974. Bank effects on a ship moving through a short dredged channel, / Proceedings of the 10th Symposium on Naval Hydrodynamics, Cambridge, USA, 71-7.
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  8. Vantorre, M., Delefortrie, G. and Mostaert, F., 2012. / Behaviour of Ships Approaching and Leaving Locks: Open Model Test Data for Validation Purposes, Version 2.0, WL Rapporten, WL2012R815_08e, Flanders Hydraulics Research and Ghent University, Antwerp, Belgium.
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  11. Vrijburcht, A., 1988. / Calculations of Wave Height and Ship Speed When Entering A Lock, PUB-391, Delft Hydraulics Laboratory.
  12. Wang, H. M., 2009. / Numerical Study on the Viscous Flow and Hydrodynamic Forces on A Manoeuvring Ship in Restricted Waters, Ph. D. Thesis, Shanghai Jiao Tong University, Shanghai, China. (in Chinese)
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• 作者单位：Hong-zhi Wang (1)
  Zao-jian Zou (1) (2)
  
  1. School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
  2. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
  

文摘

While passing through a lock, a ship usually undergoes a steady forward motion at low speed. Owing to the size restriction of lock chamber, the shallow water and bank effects on the hydrodynamic forces acting on the ship may be remarkable, which may have an adverse effect on navigation safety. However, the complicated hydrodynamics is not yet fully understood. This paper focuses on the hydrodynamic forces acting on a ship passing through a lock. The unsteady viscous flow and hydrodynamic forces are calculated by applying an unsteady RANS code with a RNG k- turbulence model. User-defined function (UDF) is compiled to define the ship motion. Meanwhile, the grid regeneration is dealt with by using the dynamic mesh method and sliding interface technique. Numerical study is carried out for a bulk carrier ship passing through the Pierre Vandamme Lock in Zeebrugge at the model scale. The proposed method is validated by comparing the numerical results with the data of captive model tests. By analyzing the numerical results obtained at different speeds, water depths and eccentricities, the influences of speed, water depth and eccentricity on the hydrodynamic forces are illustrated. The numerical method proposed in this paper can qualitatively predict the ship-lock hydrodynamic interaction. It can provide certain guidance on the manoeuvring and control of ships passing through a lock.