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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).

Record type: Article

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.

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More information

Submitted date: 8 December 2004
Published date: May 2006
Keywords: wavelet transforms, ship, roll, heave-roll coupling, nonlinear, dynamic characteristics

Identifiers

Local EPrints ID: 27785
URI: http://eprints.soton.ac.uk/id/eprint/27785
ISSN: 0029-8018
PURE UUID: a6e87b6f-4659-4dcc-ad6d-549299d8e915

Catalogue record

Date deposited: 26 Apr 2006
Last modified: 17 Jul 2017 16:03

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Contributors

Author: Yu Yin
Author: R. Ajit Shenoi
Author: Hangbin Zhu
Author: Lijuan Xia

University divisions

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