As a pilot study into the understanding of the occurrence of extreme waves, the spatial development of an extreme wave (Ac/Hs = 1.59) in a model basin was investigated. This wave occurred in a wave spectrum that was not extremely steep and non-linear. It is observed that the extreme wave develops in less than half the wavelength from a relatively normal wave into an extreme crest. The wave crest stays high and constant over a large distance (almost 75m). Linear dispersion is not able to predict the wave propagation towards the observed extreme wave crest. Second order theory improves the prediction of the crest amplitude, but not enough. The crest amplitude is still underestimated. This is confirmed by the plots of the probability of extremes. The linear Rayleigh distribution underestimates the crest amplitudes. The second order distribution follows the measurements much better, but also in this case typically the highest 10 crests in a 3 hours storm are underestimated.
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ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
June 10–15, 2007
San Diego, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
0-7918-4268-1
PROCEEDINGS PAPER
The Spatial Analysis of an Extreme Wave in a Model Basin Available to Purchase
Bas Buchner,
Bas Buchner
MARIN, Wageningen, The Netherlands
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Radboud van Dijk,
Radboud van Dijk
MARIN, Wageningen, The Netherlands
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Arjan Voogt
Arjan Voogt
MARIN, Wageningen, The Netherlands
Search for other works by this author on:
Bas Buchner
MARIN, Wageningen, The Netherlands
Radboud van Dijk
MARIN, Wageningen, The Netherlands
Arjan Voogt
MARIN, Wageningen, The Netherlands
Paper No:
OMAE2007-29409, pp. 267-275; 9 pages
Published Online:
May 20, 2009
Citation
Buchner, B, van Dijk, R, & Voogt, A. "The Spatial Analysis of an Extreme Wave in a Model Basin." Proceedings of the ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium. San Diego, California, USA. June 10–15, 2007. pp. 267-275. ASME. https://doi.org/10.1115/OMAE2007-29409
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