Mathematical model of small water-plane area twin-hull and application in marine simulator

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• 作者：Xiufeng Zhang ; Zhenwang Lyu ; Yong Yin…
• 关键词：ship maneuverability ; ship motion modeling ; small water ; plane area twin ; hull (SWATH) ; marine simulator
• 刊名：Journal of Marine Science and Application
• 出版年：2013
• 出版时间：September 2013
• 年：2013
• 卷：12
• 期：3
• 页码：286-292
• 全文大小：355KB
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• 作者单位：Xiufeng Zhang (1)
  Zhenwang Lyu (2)
  Yong Yin (1)
  Yicheng Jin (1)
  
  1. Navigation College, Dalian Maritime University, Dalian, 116023, China
  2. Department of Naval Architecture, Dalian University of Technology, Dalian, 116024, China
  
• ISSN：1993-5048

文摘

Small water-plane area twin-hull (SWATH) has drawn the attention of many researchers due to its good sea-keeping ability. In this paper, MMG’s idea of separation was used to perform SWATH movement modeling and simulation; respectively the forces and moment of SWATH were divided into bare hull, propeller, rudder at the fluid hydrodynamics, etc. Wake coefficient at the propellers which reduces thrust coefficient, and rudder mutual interference forces among the hull and propeller, for the calculation of SWATH, were all considered. The fourth-order Runge-Kutta method of integration was used by solving differential equations, in order to get SWATH’s movement states. As an example, a turning test at full speed and full starboard rudder of ‘Seagull-craft is shown. The simulation results show the SWATH’s regular pattern and trend of motion. It verifies the correctness of the mathematical model of the turning movement. The SWATH’s mathematical model is applied to marine simulator in order to train the pilots or seamen, or safety assessment for ocean engineering project. Lastly, the full mission navigation simulating system (FMNSS) was determined to be a successful virtual reality technology application sample in the field of navigation simulation.