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Publications
Huang, J., Xu, C., Xin, P., Zhou, XQ., Sutulo, S., Guedes Soares, C. (2020), A Fast Algorithm for the Prediction of Ship-Bank Interaction in Shallow Water, Journal of Marine Science and Engineering, Vol. 8(11), 927 (19 pages)
The hydrodynamic interaction induced by the complex flow around a ship maneuvering in restricted waters has a significant influence on navigation safety. In particular, when a ship moves in the vicinity of a bank, the hydrodynamic interaction forces caused by the bank effect can significantly affect the ship’s maneuverability and is an important factor to be considered in automatic berthing systems. In this study, an algorithm based on the potential-flow theory is presented for efficient calculation of ship-bank hydrodynamic interaction forces accounting for sinkage and trim. Under the low Froude number assumption, the free surface boundary condition is approximated using the double-body model. The bottom and bank are modeled by a paneled moving patch method. The sinkage and trim are iteratively solved via hydrostatic balance. A series of simulations with various configurations are carried out and the numerical results are validated against experiment and compared with numerical results obtained with RANSE-based and Rankine source methods. Comparison and analysis show a satisfying agreement except for the extreme shallow water case.
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