International Journal of Naval Architecture and Ocean Engineering

The Society of Naval Architects of Korea (대한조선학회)
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Study on variation in ship's forward speed under regular waves depending on rudder controller

  • Kim, Sung-Soo (Department of Ocean System Engineering, Gyeongsang National University) ;
  • Kim, Soon-Dong (Daewoo Shipbuilding & Marine Engineering Co., Ltd.) ;
  • Kang, Donghoon (Department of Naval Architecture and Ocean Engineering & The institute of Marine Industry, Gyeongsang National University) ;
  • Lee, JongHyun (Department of Naval Architecture and Ocean Engineering & The institute of Marine Industry, Gyeongsang National University) ;
  • Lee, Seung Jae (Division of Naval Architecture and Ocean Systems Engineering, Korea Maritime and Ocean University) ;
  • Jung, Kwang Hyo (Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • Published : 2015.03.31
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Abstract

The purpose of this research is to compare and analyze the advanced speed of ships with different rudder controller in wavy condition by using a simulation. The commercial simulation tool named AQWA is used to develop the simulation of ship which has 3 degree of freedom. The nonlinear hydrodynamic force acting on hull, the propeller thrust and the rudder force are calculated by the additional subroutine which interlock with the commercial simulation tool, and the regular wave is used as the source of the external force for the simulation. Rudder rotational velocity and autopilot coefficients vary to make the different rudder controller. An advanced speed of ships depending on the rudder controller is analyzed after the autopilot simulations.

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References

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