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A deep water beach for laboratory generation of abnormal waves

Record type: Conference or Workshop Item (Paper)

The design of ships, as well as other marine structures, requires evaluation of wave-induced loads for their operational life. Ships often encounter abnormal waves in the open ocean during normal operational conditions. Research into how abnormal waves affect a ship is important, as they may cause severe damage or even loss of a ship. The experimental method developed during this study uses an adjustable sloping beach, termed a "deep-water beach", installed upstream of the target region in a wave tank to generate steep and breaking waves from a regular wave train. The deep-water beach was found to provide a means of readily generating different types of abnormal wave either singularly or reoccurring periodically, and in both deep and shallow water. Preliminary tests were carried out placing a model yacht hull in the target region and measuring longitudinal force. Comparisons between forces measured in regular and abnormal waves (generated from the regular wave) indicate that steep waves induce longitudinal loads significantly larger than regular or breaking waves.

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Citation

Denchfield, S.S., Murphy, A.J. and Temarel, P., (2009) A deep water beach for laboratory generation of abnormal waves Olagon, Michel and Prevosto, Marc (eds.) In Rogue Waves 2008. Proceedings of a Workshop organized by Ifremer and held in Brest, France 13-14-15 October 2008 within the Brest Sea Tech Week 2008. Ifremer. 11 pp, pp. 219-229.

More information

Published date: September 2009
Venue - Dates: Rogue Waves 2008, 2008-10-13 - 2008-10-15
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 69025
URI: http://eprints.soton.ac.uk/id/eprint/69025
PURE UUID: d8fdd1b8-812a-4b29-a0a2-601819369e89
ORCID for P. Temarel: ORCID iD orcid.org/0000-0003-2921-1242

Catalogue record

Date deposited: 14 Oct 2009
Last modified: 19 Jul 2017 00:14

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Contributors

Author: S.S. Denchfield
Author: A.J. Murphy
Author: P. Temarel ORCID iD
Editor: Michel Olagon
Editor: Marc Prevosto

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