Yichen Jiang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Vice Director, Institute of Marine Hydrodynamics

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Language:English

Paper Publications

Title of Paper:OpenFOAM numerical method to simulate the free decay of transverse rocking of a hull with bilge keel

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Date of Publication:2018-07-06

Journal:Journal of Harbin Engineering University

Issue:01

Page Number:1-7

ISSN No.:1006-7043

Key Words:横摇衰减;舭龙骨;OpenFOAM;阻尼消波;动网格;六自由度;粘性流场;数值模拟

Abstract:为了研究带舭龙骨的船体横摇自由衰减运动,本文建立了基于OpenFOAM的粘性流场数学模型。模型采用六自由度运动方程与动网格技术计算船舶运动,并且应用阻尼消波技术消除远处的数值水池壁面产生的反射波,有效提高了数值预报的精度。模拟得到的衰减曲线和阻尼系数与试验所得的结果进行了对比,并分析了舭龙骨附近的涡量场,简要探讨了舭龙骨减摇的机理。结果表明本文应用的数值模型可以准确地模拟船体横摇运动,并成功预报了不同高度舭龙骨的减摇效果。

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