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Chin. Phys. B, 2014, Vol. 23(4): 044703    DOI: 10.1088/1674-1056/23/4/044703
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Roll stability catastrophe mechanism of a flooded ship on regular sea waves

Liu Yu-Liang
Department of Electric & Information, Zhejiang Ocean University, Zhoushan 316022, China
Abstract  Based on a typical one-free-degree ship roll motion equation, the cusp catastrophe model is built including the bifurcation set equation, splitting factor‘u’and regular factor‘v’, where both‘u’and‘v’are further expressed with typical flooded ship parameters. Then, the roll catastrophe mechanism is analyzed mainly by means of‘u’, under the given parameters of a typical trawler boat. The aim of this research is to reveal the mutagenic mechanism of the roll stability and provide a reference for improving ship roll stability.
Keywords:  flooded ship      roll stability      catastrophe mechanism      splitting factor  
Received:  09 October 2013      Revised:  25 November 2013      Accepted manuscript online: 
PACS:  42.20.Ky  
  02.30.Oz (Bifurcation theory)  
Fund: Project supported by the Natural Science Foundation of Zhejiang Province of China (Grant Nos. LY12E09004 and LY13E090004) and the Science Research Foundation of Zhejiang Ocean University of China (Grant No. 201157).
Corresponding Authors:  Liu Yu-Liang     E-mail:  13957208678@163.com
About author:  42.20.Ky; 02.30.Oz

Cite this article: 

Liu Yu-Liang Roll stability catastrophe mechanism of a flooded ship on regular sea waves 2014 Chin. Phys. B 23 044703

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