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Unsteady ship-bank interaction: a comparison between experimental and computational predictions Delefortrie, G.; Verwilligen, J.; Pinkster, J.A.; Yuan, Z.M.; Liu, Y.H.; Kastens, M.; Van Hoydonck, W.; Pinkster, H.J.M.; Lataire, E. (2024). Unsteady ship-bank interaction: a comparison between experimental and computational predictions. Ship Technology Research 71(1): 33-57. https://dx.doi.org/10.1080/09377255.2023.2275372 In: Ship Technology Research: Journal for Research in Shipbuilding and Related Subjects. Schiffahrtsverlag Hansa: Hamburg. ISSN 0937-7255, meer

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 393878 [ download pdf ]

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Trefwoorden

Harbours and waterways > Manoeuvring behaviour > Bank effects Numerical calculations Physical modelling

Author keywords

Unsteady; harbour; benchmark; hydrodynamics; potential flow; RANS; EFD; ship-bank

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Auteurs		Top
Delefortrie, G., meer Verwilligen, J., meer Pinkster, J.A.	Yuan, Z.M. Liu, Y.H. Kastens, M.	Van Hoydonck, W., meer Pinkster, H.J.M. Lataire, E., meer

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Abstract

A collaborative exercise is presented where different numerical methods were used to recreate the forces acting on a ship model while executing captive model tests along a channel which has an unsteady cross section (dock opening). Such a layout is typical for a harbour environment. The unsteady nature of the cross section leads to peak values in forces, sinkage and free surface deformations. Experimental tests were conducted by Flanders Hydraulics (with the co-operation of Ghent University). Numerical contributions involve three potential flow methods (Strathclyde University and Pinkster Marine Hydrodynamics) and one RANS method (Federal Waterways Engineering and Research Institute of Germany). All methods are capable of qualitatively predicting the water level variations and sinkage and trim of the vessel. RANS has a better capability of predicting the unsteady sway force and yaw moment acting on the ship including sinkage and trim, but it comes at a much higher computational cost.

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