Degrieck, A., Uytersprot, B., Sutulo, S., Guedes Soares, C., Van Hoydonck, W., Vantorre, M. and Lataire, E. (2021), “Hydrodynamic ship-ship and ship-bank interaction: a comparative numerical study”, Ocean Engineering, Vol. 230, 108970 (16 pages).

The hydrodynamic interaction between ships or between the ship and the bank was studied by numerical methods. A number of new numerical results were obtained, for both ship-ship interaction and ship-bank interaction cases, by applying the double-body potential flow code HYDINTER earlier developed at Instituto Superior Técnico (University of Lisbon, Portugal). A comparative numerical study was made between these results and those obtained earlier for the same ship forms at Ghent University (Belgium) with a different potential code (ROPES), with a Computational Fluid Dynamics (CFD) code (ISIS-CFD) and with Experimental Fluid Dynamics (EFD) data obtained in the shallow water towing tank at Flanders Hydraulics Research, Belgium. While both potential codes produced rather close results for the surge and sway interaction forces and the interaction moment in yaw, the disagreement with the CFD and experimental data turned out more significant, at least in some cases although the pressure distribution predicted by various methods was qualitatively very similar on the whole. However, small local differences in the pressure resulted in considerable differences in the integrated loads.

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