Research on Hydrodynamic Forces on Ship in Oblique Motion Based on
Numerical Analysis

doi:10.3969/j.issn.1674-0696.2018.07.19

Journal of Chongqing Jiaotong University(Natural Science) ›› 2018, Vol. 37 ›› Issue (07): 113-117.DOI: 10.3969/j.issn.1674-0696.2018.07.19

• Vehicle &Electromechanical Engineering • Previous Articles Next Articles

Research on Hydrodynamic Forces on Ship in Oblique Motion Based on Numerical Analysis

LIAN Jingjing1, YANG Xiao1, YIN Yong2

(1. Navigation College, Dalian Maritime University, Dalian 116026, Liaoning, P. R. China; 2. Key Laboratory of Maritime Simulation and Control, Dalian Maritime University, Dalian 116026, Liaoning, P. R. China)

Received:2017-03-07 Revised:2017-07-17 Online:2018-07-09 Published:2018-07-09

基于数值分析的船舶斜航运动水动力研究

廉静静1，杨晓1，尹勇2

(1.大连海事大学航海学院，辽宁大连 116026； 2. 大连海事大学航海动态仿真和控制实验室，辽宁大连 116026)

作者简介:廉静静(1983—)，女，河南焦作人，博士，主要从事船舶计算流体动力学方面的研究。E-mail：dmuljj@dlmu.edu.cn。
基金资助:
辽宁博士科研启动基金项目(201601071)；辽宁省自然科学基金项目(20170540085)；中央高校基本科研业务费专项基金资助项目 (3132016010&3132017111)；大连海事大学教学改革项目(2016Y07&2017Y05).

Abstract

Abstract: The hull form KVLCC2 (KRISO Very Large Crude Carrier) model tanker was considered by the ITTC maneuvering technical committee in a comparative study of ship maneuverability. The incompressible viscous flow around KVLCC2 was investigated using a classical RANS (Reynolds Averaged Navier-Stokes) equation. The numerical simulation around KVLCC2 in oblique motion was carried out. The longitudinal force coefficient and lateral force coefficient and yaw moment coefficient were gained under different drift angles. The pressure coefficient distribution and vorticity flow distribution on the hull surface were also obtained. Compared with the experimental data, the result had a good agreement. At the same time, the hydrodynamic derivatives in ship maneuvering equations were calculated by least square curve fitting. The result shows that the accuracy of numerical calculation results can meet engineering demands.

Key words: ship engineering, oblique motion, viscous flow, turbulence model, grid division, hydrodynamic derivatives

摘要： 以ITTC操纵性技术委员会组织的船舶操纵性比较研究中推荐的KVLCC2为研究对象，通过求解不可压缩黏性流体的RANS方程，对该船模的斜航运动的黏性流场进行了数值模拟，得到作用在该船模下不同漂角下的纵向水动力、横向水动力和艏摇力矩，分析了船体表面的压力系数分布和船体周围漩涡流场分布，将计算结果与实验数据进行对比，吻合较好，同时，采用最小二乘法进行曲线拟合，求得船舶操纵水动力导数，通过对结果分析可得，采用数值分析的方法求解船体斜航运动可满足工程计算要求。

关键词: 船舶工程, 斜航运动, 黏性流, 湍流模型, 网格划分, 水动力导数

CLC Number:

U661.1

LIAN Jingjing1, YANG Xiao1, YIN Yong2. Research on Hydrodynamic Forces on Ship in Oblique Motion Based on Numerical Analysis[J]. Journal of Chongqing Jiaotong University(Natural Science), 2018, 37(07): 113-117.

廉静静1，杨晓1，尹勇2. 基于数值分析的船舶斜航运动水动力研究[J]. 重庆交通大学学报（自然科学版）, 2018, 37(07): 113-117.

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Research on Hydrodynamic Forces on Ship in Oblique Motion Based on Numerical Analysis

基于数值分析的船舶斜航运动水动力研究

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