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:Estimation of ship transverse rocking damping and recovery moment coefficients based on PSO algorithm

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Date of Publication:2018-09-30

Journal:China Shipbuilding

Volume:59

Issue:3

Page Number:89-97

ISSN No.:1000-4882

Key Words:自由横摇衰减曲线;PSO算法;横摇阻尼系数;回复力矩系数

Abstract:横摇阻尼和回复力矩的准确估算是预报船舶横摇运动的关键.论文针对横摇消灭曲线法估算横摇阻尼系数所存在的固有缺陷,提出了一种基于粒子群优化(PSO)算法,从试验得到的自由横摇衰减曲线来获取横摇阻尼和回复力矩系数的方法.该方法通过迭代调整横摇阻尼和回复力矩系数,使预报的自由横摇衰减运动时间历程与试验自由横摇衰减曲线之间的误差最小,从而实现对横摇阻尼和回复力矩系数的准确估算.

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