Using wavelet transforms to analyze nonlinear ship rolling and heave-roll coupling


Yin, Yu, Shenoi, R. Ajit, Zhu, Hangbin and Xia, Lijuan (2006) Using wavelet transforms to analyze nonlinear ship rolling and heave-roll coupling Ocean Engineering, 33, (7), pp. 912-926. (doi:10.1016/j.oceaneng.2005.05.014).

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Description/Abstract

The use of wavelet transforms is explored to investigate the nonlinear dynamical characteristics of ship roll and coupled heave-roll motion. The harmonic character, double period character and chaotic character are observed via a time–frequency window of the wavelet transform. Typical wave parameters in different stability regions are considered. Features such as restoring rolling, divergence rolling, steady state and chaotic responses of ship roll are obtained as well.
The investigation in this paper not only highlights the feasibility of using wavelet transforms in the analysis of nonlinear dynamic characteristics of ship rolling in waves, but also shows how it could enhance the analysis abilities.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.oceaneng.2005.05.014
ISSNs: 0029-8018 (print)
Keywords: wavelet transforms, ship, roll, heave-roll coupling, nonlinear, dynamic characteristics
Subjects:
ePrint ID: 27785
Date :
Date Event
8 December 2004Submitted
May 2006Published
Date Deposited: 26 Apr 2006
Last Modified: 16 Apr 2017 22:29
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/27785

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