Numerical Simulation of Oblique-Towing Test for a Fully Appended Ship Model Based on Two Propeller Modelling Methods

被引：0
|
作者：
Liu Y. [1 ,2 ]
Zou Z. [2 ,3 ]
Guo H. [2 ]
机构：
[1] Marine Design and Research Institute of China, Shanghai
[2] School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai
[3] State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai
来源：
Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University | 2019年 / 53卷 / 04期
关键词：
Body-force method; Oblique-towing test; Reynolds-averaged Navier-Stokes (RANS) equations; Sliding mesh method;
D O I：
10.16183/j.cnki.jsjtu.2019.04.005
中图分类号：
学科分类号：
摘要：
It is an effective method to establish the mathematical model of ship maneuvering motion by using CFD (computational fluid dynamics) method to simulate the captive model tests to obtain the hydrodynamic derivatives. When the captive model tests of a fully appended ship are numerically simulated, the key issue is to select a suitable propeller modeling method to compute the hydrodynamic force on the ship efficiently and accurately. Using CFD method, the oblique-towing tests of a fully appended KCS ship model are numerically simulated by solving the Reynolds-averaged Navier-Stokes (RANS) equations. Both the body force method and the sliding mesh method based on real propeller are used to deal with the rotating propeller. By comparing the computed hydrodynamic forces with the benchmark data, the numerical method is verified. The results of the two methods for dealing with the propeller are compared, and it shows that considering the computation efficiency and accuracy, the body force method can replace the real propeller method to simulate the oblique-towing test of fully appended ships. © 2019, Shanghai Jiao Tong University Press. All right reserved.
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页码：423 / 430
页数：7
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