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http://dx.doi.org/10.3744/SNAK.2022.59.1.1

Numerical Analysis on Turning and Yaw Checking Abilities of KCS in Calm Water a Based on Free-Running Simulations  

Yang, Kyung-Kyu (Department of Autonomous Vehicle System Engineering, Chungnam National University)
Kim, Yoo-Chul (Korea Research Institute of Ships and Ocean Engineering)
Kim, Kwang-Soo (Korea Research Institute of Ships and Ocean Engineering)
Yeon, Seong Mo (Korea Research Institute of Ships and Ocean Engineering)
Publication Information
Journal of the Society of Naval Architects of Korea / v.59, no.1, 2022 , pp. 1-8 More about this Journal
Abstract
To understand physical phenomena of ship maneuvering deeply, a numerical study based on computational fluid dynamics is required. A computational method that can simulate the interaction between the ship hull, propeller, and rudder will provide informative local flows during ship maneuvering tests. The analysis of local flows can be applied to improve a physical model of ship maneuvering that has been widely used in maneuvering simulations. In this study, the numerical program named as WAVIS that has been developed for ship resistance and propulsion problems is extended to simulate ship maneuvering by free-running tests. The six degree-of-freedom of ship motion is implemented based on Euler angles and the overset technique is applied to treat the moving grid of ship hull and rudder. The propulsion force due to a propeller is calculated by a panel method that is based on the lifting-surface theory. The newly extended code is applied to simulate turning and zig-zag tests of KCS and the comparison with the available experimental data has been made.
Keywords
Maneuvering performance; Virtual free running; URANS; KRISO Container Ship(KCS);
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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