The choice of speed and clearance for RAS on 3D method

Jian-fang Wang , Ji-de Li , Xin-gong Cai

Journal of Marine Science and Application ›› 2003, Vol. 2 ›› Issue (2) : 31 -39.

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Journal of Marine Science and Application ›› 2003, Vol. 2 ›› Issue (2) : 31 -39. DOI: 10.1007/BF02918661
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The choice of speed and clearance for RAS on 3D method

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Abstract

In this paper, a 3D source distribution technique is used to calculate the coupled motions between two ships which advance in the wave with the same speed. The numerical results of coupled motions for a frigate and a supply ship have a good agreement with the experimental results. Based on the 3D coupled motions of two ships, a spectral analysis is employed to clearly observe the effect of speed, clearance and wave heading on the significant relative motion amplitude (SRMA) of two ships. The method presented in this paper will be helpful to select suitable clearance, speed and wave heading for underway replenishment at sea(RAS).

Keywords

spectral analysis / significant relative motion amplitude / replenishment at sea

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Jian-fang Wang, Ji-de Li, Xin-gong Cai. The choice of speed and clearance for RAS on 3D method. Journal of Marine Science and Application, 2003, 2(2): 31-39 DOI:10.1007/BF02918661

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