Unsteady ship–bank interaction: a comparison between experimental and computational predictions

IF 1.4 Q3 ENGINEERING, MARINE
G. Delefortrie, J. Verwilligen, C. Kochanowski, J. A. Pinkster, Z. M. Yuan, Y. H. Liu, M. Kastens, W. Van Hoydonck, H. J. M. Pinkster, E. Lataire
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引用次数: 0

Abstract

ABSTRACTA 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.KEYWORDS: Unsteadyharbourbenchmarkhydrodynamicspotential flowRANSEFDship-bank Disclosure statementNo potential conflict of interest was reported by the author(s).
非定常船岸相互作用:实验与计算预测的比较
摘要:采用不同的数值方法来重现作用在船舶模型上的力,同时沿着具有非定常横截面(船坞开口)的通道执行自保模型测试。这样的布局是典型的海港环境。截面的非定常特性导致了力、下沉和自由表面变形的峰值。实验测试由弗兰德斯水力学公司(与根特大学合作)进行。数值贡献包括三种势流方法(Strathclyde University和Pinkster Marine Hydrodynamics)和一种RANS方法(德国联邦水道工程与研究所)。所有方法都能定性地预测水位变化和船舶的下沉和纵倾。RANS具有较好的预测船舶非定常力和偏航力矩(包括下沉和纵倾)的能力,但计算成本较高。关键词:非定常港口基准水动力学潜在流量ransefd -bank披露声明作者未报告潜在利益冲突。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Ship Technology Research
Ship Technology Research ENGINEERING, MARINE-
CiteScore
4.90
自引率
4.50%
发文量
10
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