Seakeeping analysis of two ships advancing parallel for underway replenishment

ZHENG Pingyu; LI Peng; LIU Jingxi; YE Hengkui

doi:10.3969/j.issn.1673-3185.2017.02.004

Volume 12 Issue 2

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ZHENG Pingyu, LI Peng, LIU Jingxi, YE Hengkui. Seakeeping analysis of two ships advancing parallel for underway replenishment[J]. Chinese Journal of Ship Research, 2017, 12(2): 30-40, 48. doi: 10.3969/j.issn.1673-3185.2017.02.004

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Seakeeping analysis of two ships advancing parallel for underway replenishment

doi: 10.3969/j.issn.1673-3185.2017.02.004

ZHENG Pingyu^1
,,
LI Peng²,
LIU Jingxi^{1
,
,},
YE Hengkui^1
,

1.
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2.
China Ship Development and Design Center, Wuhan 430064, China

Received Date: 2016-09-19
Available Online: 2017-03-13
Publish Date: 2017-04-01

Abstract

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Due to the wave and hydrodynamic interaction between two ships advancing parallel on the ocean, their six-degrees-of-freedom motions are much more complex during replenishment. The seakeeping performance of two vessels is analyzed with AQWA. On the basis of the RAO functions of the two parallel vessels, spectrum analysis and time-domain analysis were carried out, and the significant amplitudes were obtained using the computed time-history and correlation function method. The significant amplitudes are compared with the results of the spectrum analysis and good agreement is observed. It is found that hydrodynamic interaction between two ships has a great impact on the process of replenishment. Depending on the results of the analysis, dangerous conditions during the replenishment process could be avoided, thereby ensuring the safety of supply work.
- ship seakeeping,
- replenishment,
- irregular wave,
- response forecast,
- time domain analysis,
- hydrodynamic interaction

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References(10)

References

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