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TransNav, Faculty of Navigation
Gdynia Maritime University
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Research on Ship Navigation in Numerical Simulation of Weather and Ocean in a Bay
1 Kobe University, Kobe, Japan
ABSTRACT: For safe navigation, high-resolution information on tidal current, wind and waves is very important. In coastal areas in particular, the weather and ocean situation change dramatically in time and place according to the effects of geography and water depth. In this paper, high-resolution wave data was generated using SWAN as a numerical wave model. To estimate waves, wind data is necessary. By using the mesoscale meteorological model of WRF-ARW, detailed wind data was generated. The tidal current data was generated by using POM. We simulated tidal currents, wind and ocean waves for the duration of a typhoon passing over Japan in September of 2004. Secondly, we simulated ship maneuvering using simulated tidal current, wind and wave data. For the ship maneuvering model, the MMG (Mathematic Modeling Group) was used. Combining high-resolution tidal current, wind and wave data with the numerical navigation model, we studied the effects of tidal current, wind and waves on a ship's maneuvering. Comparing the simulated route lines of a ship with the set course, it was recognized that the effects of the tidal current, wind and waves on a moving ship were significant.
REFERENCES
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Xia H., Shiotani S., et al. (2006). Estimation of Ship’s Course for Sailing on Route by Navigation Simulation in Coastal Water, The Journal of Japan Institute of Navigation, No. 115, pp. 51-57.
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The SWAN Team (2009). SWAN, Scientific and Technical Documentation, SWAN Cycle Ⅲ version 40.72ABC, http:/www.swan.tudelft.nl, Delft University of Technology.
Shimada Y., Shiotani S., Takahashi K. (2010). Influence of Ocean Model Horizontal Resolution on Weather Routing, Techno-ocean, CD
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Yoshimura Y. (1986). Mathematical Model for the Maneuvering Ship Motion in Shallow Water, Journal of the Kansai Society of Naval Architects, Japan, No. 200, pp. 41-51.
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Citation note:
Soda T., Shiotani S., Makino H., Shimada Y.: Research on Ship Navigation in Numerical Simulation of Weather and Ocean in a Bay. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 6, No. 1, pp. 19-25, 2012

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