Abstract
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.
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Foundation item: Supported by the National Nature Science Foundation of China under Grant No.51109020, and the National Key Project for Basic Research “973” (2009CB320805).
Yong Yin was born in 1969. He is a professor of traffic information and control engineering, and associate director of the Key Laboratory of Ship Dynamic Simulation and Control at Dalian Maritime University. His has published over 120 papers. He received the national prize awards for contributions to full mission navigation simulation system in 2008.
Yicheng Jin was born in 1944. He is a professor at Dalian Maritime University. He engages in computer graphics in marine simulation and application. He is a professor of traffic information and control engineering, and the director of the Key Laboratory of Ship Dynamic Simulation and Control at Dalian Maritime University. He is the executive member of the INSLC (International Navigation Simulator Lecturers’ Conference). He is the Chairman of Executive Committee of the China Navigation Simulator Teaching Seminar. He received the national prize awards for contributions to full mission navigation simulation system in 2008.
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Zhang, X., Lyu, Z., Yin, Y. et al. Mathematical model of small water-plane area twin-hull and application in marine simulator. J. Marine. Sci. Appl. 12, 286–292 (2013). https://doi.org/10.1007/s11804-013-1203-0
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DOI: https://doi.org/10.1007/s11804-013-1203-0