期刊
OCEAN ENGINEERING
卷 188, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.oceaneng.2019.106257
关键词
Viscous CFD; Captive model tests; Manoeuvring; Modular-type mathematical model
Captive model experiments are completely replaced by viscous CFD simulations in the present study aiming to obtain all the necessary parameters for mathematical model to predict yaw checking ability of KVLCC2 by zig-zag manoeuvring simulations. Present CFD simulations successfully determine all the necessary manoeuvring parameters. It is also figured out that accurate estimation in sway-related linear hydrodynamic coefficient Y'(v), hullrudder interaction coefficient a(H) and flow-straitening coefficient gamma(R) are the key for the present manoeuvring predictions. The present study is of its first kind 1) to identify all the necessary parameters for modular-type mathematical model by viscous CFD with overset grid interface, and 2) all the computational results, e.g. forces and moment coefficients of hull and rudder, available local flows and the ship's kinematic parameters (trajectories and ship/rudder motions) in zig-zag motions are rigorously validated with the available experimental data.
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