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http://dx.doi.org/10.3744/SNAK.2022.59.6.338

Study on Pure Roll Test of a Ship Using CFD Simulation  

Thi Loan, Mai (Dept. of Smart Environmental Energy Engineering, Changwon National University)
Anh Khoa, Vo (Dept. of Smart Environmental Energy Engineering, Changwon National University)
Hyeon Kyu, Yoon (Dept. of Naval Architecture and Marine Engineering, Changwon National University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.59, no.6, 2022 , pp. 338-344 More about this Journal
Abstract
Roll moment usually is ignored when analyzing the maneuverability of surface ships. However, it is well known that the influence of roll moment on maneuverability is significant for ships with small metacentric height such as container ships, passenger ships, etc. In this study, a pure roll test is performed to determine the hydrodynamic derivatives with respect to roll motion as added mass and damping. The target ship is an autonomous surface ship designed to carry containers with a small drift and large freeboard. The commercial code of STAR CCM+ software is applied as a specialized tool in naval hydrodynamic based on RANS equation for simulating the pure roll of the ship. The numerical uncertainty analysis is conducted to verify the numerical accuracy. By distinguishing the in-phase and out-of-phase from hydrodynamic forces and moments due to roll motion, added mass derivatives and damping derivatives relative to roll angular velocity are obtained.
Keywords
Pure roll test; Autonomous surface ship; CFD simulation; Hydrodynamic derivatives;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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