Numerical Study on Water Depth Effects on Hydrodynamic Forces Acting on Berthing Ships

doi:10.1007/s12204-017-1822-8

Journal of shanghai Jiaotong University (Science) ›› 2017, Vol. 22 ›› Issue (2): 198-205.doi: 10.1007/s12204-017-1822-8

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Numerical Study on Water Depth Effects on Hydrodynamic Forces Acting on Berthing Ships

WANG Huaming1,3 (王化明), SHENG Xue1 (盛学), WANG Shilai2* (王世来), CHEN Lin2 (陈林),YUAN Zhiming4 (元志明), WU Qiaorui1 (吴巧瑞)

(1. School of Naval Architecture and Mechanical-Electrical Engineering, Zhejiang Ocean University, Zhoushan 316022, Zhejiang, China; 2. Donghai Science and Technology College, Zhejiang Ocean University, Zhoushan 316000, Zhejiang, China; 3.Key Laboratory of Offshore Engineering Technology of Zhejiang, Zhoushan 316022, Zhejiang, China; 4. Department of Naval architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G40LZ, UK)
(1. School of Naval Architecture and Mechanical-Electrical Engineering, Zhejiang Ocean University, Zhoushan 316022, Zhejiang, China; 2. Donghai Science and Technology College, Zhejiang Ocean University, Zhoushan 316000, Zhejiang, China; 3.Key Laboratory of Offshore Engineering Technology of Zhejiang, Zhoushan 316022, Zhejiang, China; 4. Department of Naval architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G40LZ, UK)

Online:2017-03-31 Published:2017-04-04
Contact: WANG Shilai (王世来) E-mail:wangsl@zjou.edu.cn

Abstract

Abstract: Due to the restrictions of ports, maneuverability of berthing ships will be affected significantly by water depth. In the present study, numerical simulation of the berthing maneuver of a ship with prescribed translational motion is performed by solving the Reynolds-averaged Navier-Stokes (RANS) equations based on overset grid, and the effects of the quaywall and freesurface are taken into consideration. To validate the present numerical method, comparison is performed between our results and the other results or measurements. It is found that the agreement is significantly better than that resulting from previous CFD-based approach. Subsequently, the effects of various water depths are investigated to evaluate their influences on hydrodynamic forces. The present results can provide helpful guidance on safe maneuvering for vessels’ berthing and fender system design in quays.

Key words: berthing maneuver| overset grid| shallow water| viscous flow| numerical simulation

摘要： Due to the restrictions of ports, maneuverability of berthing ships will be affected significantly by water depth. In the present study, numerical simulation of the berthing maneuver of a ship with prescribed translational motion is performed by solving the Reynolds-averaged Navier-Stokes (RANS) equations based on overset grid, and the effects of the quaywall and freesurface are taken into consideration. To validate the present numerical method, comparison is performed between our results and the other results or measurements. It is found that the agreement is significantly better than that resulting from previous CFD-based approach. Subsequently, the effects of various water depths are investigated to evaluate their influences on hydrodynamic forces. The present results can provide helpful guidance on safe maneuvering for vessels’ berthing and fender system design in quays.

关键词: berthing maneuver| overset grid| shallow water| viscous flow| numerical simulation

CLC Number:

U 661.3

WANG Huaming1,3 (王化明), SHENG Xue1 (盛学), WANG Shilai2* (王世来), CHEN Lin2 (陈林),YUAN Zhiming4 (元志明), WU Qiaorui1 (吴巧瑞). Numerical Study on Water Depth Effects on Hydrodynamic Forces Acting on Berthing Ships[J]. Journal of shanghai Jiaotong University (Science), 2017, 22(2): 198-205.

References 14

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Numerical Study on Water Depth Effects on Hydrodynamic Forces Acting on Berthing Ships

Numerical Study on Water Depth Effects on Hydrodynamic Forces Acting on Berthing Ships

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