Ship motion mathematical model with six degrees of freedom in regular wave

Zhang Xiu-feng; Yin Yong; Jin Yi-cheng

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Zhang Xiu-feng, Yin Yong, Jin Yi-cheng. Ship motion mathematical model with six degrees of freedom in regular wave[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 40-43.

Citation:

Zhang Xiu-feng, Yin Yong, Jin Yi-cheng. Ship motion mathematical model with six degrees of freedom in regular wave[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 40-43.

Zhang Xiu-feng, Yin Yong, Jin Yi-cheng. Ship motion mathematical model with six degrees of freedom in regular wave[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 40-43.

Citation:

Zhang Xiu-feng, Yin Yong, Jin Yi-cheng. Ship motion mathematical model with six degrees of freedom in regular wave[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 40-43.

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Ship motion mathematical model with six degrees of freedom in regular wave

School of Navigation, Dalian Maritime University, Dalian 116026, Liaoning, China

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Author Bio:
Zhang Xiu—feng(1972-), female, associate professor, +86-411-84729651, zxfdmu@163.com
Received Date: 2006-11-29
Publish Date: 2007-06-25

Abstract

Abstract

In order to improve the precision of ship-handling simulator, a ship motion mathematical model with six degrees of freedom(DOF) in regular wave was put forward by using separate modeling theory based on Froude-Krylov hypothesis. In the model, ship was regarded as trunk ship, the interferential forces and moments of regular wave were calculated, and were regarded as a part of external forces to add to the model respectively. A practice ship's data was used to create the model. The time curves of ship's turning motion at full speed under 5 kinds of sea states were simulated and analyzed. Analysis result shows that the model is feasible, simulation curves near to the result of relative reference, their trends are coincident, the precision of the model meets with the requirement of full mission ship-handling simulator; ship motion mathematical model is updated from three to six DOFs, so that simulator fidelity is improved.
- ship maneuverability,
- ship motion mathematical model,
- regular wave,
- ship-handling simulator

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References(14)

References

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