A deep water beach for laboratory generation of abnormal waves
A deep water beach for laboratory generation of abnormal waves
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.
219-229
Denchfield, S.S.
6c2fda55-1416-4cfa-ab39-9f6eea640b95
Murphy, A.J.
3c145f49-14f5-421c-b3a1-11a74c8d86ab
Temarel, P.
b641fc50-5c8e-4540-8820-ae6779b4b0cf
September 2009
Denchfield, S.S.
6c2fda55-1416-4cfa-ab39-9f6eea640b95
Murphy, A.J.
3c145f49-14f5-421c-b3a1-11a74c8d86ab
Temarel, P.
b641fc50-5c8e-4540-8820-ae6779b4b0cf
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.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
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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Published date: September 2009
Venue - Dates:
Rogue Waves 2008, Brest, France, 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
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Date deposited: 14 Oct 2009
Last modified: 14 Mar 2024 02:37
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Contributors
Author:
S.S. Denchfield
Author:
A.J. Murphy
Editor:
Michel Olagon
Editor:
Marc Prevosto
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