A CFD investigation of the effects of passing ship on a small size ice floe

Jiang, Zongyu; Suominen, Mikko; Tavakoli, Sasan; Kujala, Pentti; Hirdaris, Spyros

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A CFD investigation of the effects of passing ship on a small size ice floe

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Title:	A CFD investigation of the effects of passing ship on a small size ice floe
Author(s):	Jiang, Zongyu ; Suominen, Mikko ; Tavakoli, Sasan ; Kujala, Pentti ; Hirdaris, Spyros
Date:	2023-08-09
Language:	en
Pages:	9
Department:	Marine Technology Marine and Arctic Technology Department of Mechanical Engineering
Series:	Proceedings of the 12th International Workshop on Ship and Marine Hydrodynamics, Volume 1288, IOP Conference Series: Materials Science and Engineering
ISSN:	1757-899X
DOI-number:	10.1088/1757-899X/1288/1/012023
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Citation: Jiang , Z , Suominen , M , Tavakoli , S , Kujala , P & Hirdaris , S 2023 , A CFD investigation of the effects of passing ship on a small size ice floe . in S Hirdaris & D Wan (eds) , Proceedings of the 12th International Workshop on Ship and Marine Hydrodynamics . vol. 1288 , 012023 , IOP Conference Series: Materials Science and Engineering , vol. 1288 , Institute of Physics Publishing , International Workshop on Ship and Marine Hydrodynamics , Espoo , Finland , 28/08/2023 . https://doi.org/10.1088/1757-899X/1288/1/012023
Abstract: A RANS (Reynolds Averaged Navier-Stokes) CFD STAR-CCM+ model is used to investigate the hydrodynamic interactions between a ship and a circular ice floe. The overset mesh technique is employed to simulate the advancing movement of the passing ship. The ship has a hull of similar configuration to the KCS MOERI container ship. The ice floe has a diameter of 30% of the ship's length and a thickness of 3 m. The paper primarily focuses on the motions of the ice floe and the hydrodynamic forces induced by the ship progressing in different speeds and calm water conditions. A parametric study on the influence of the ice floe surge and sway motions and associated hydrodynamic loads is presented. It is concluded that ship-generated waves can significantly affect the motions of the ice floe and the influence on sway is greater than that on surge. The ship speed is also found to have a distinct impact on ice floe motions.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-202308164813 Email this Export to RefWorks QR Code Print BibTex Tweet