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Irregular, non-linear waves in a spread sea

Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

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Irregular, non-linear waves in a spread sea. / Jonathan, Philip; Taylor, Paul H.; Daniela, Mercati et al.
1995. 9-16 Paper presented at OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng, Copenhagen, Denmark.

Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

Harvard

Jonathan, P, Taylor, PH, Daniela, M & Alan, M 1995, 'Irregular, non-linear waves in a spread sea', Paper presented at OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng, Copenhagen, Denmark, 18/06/95 - 22/06/95 pp. 9-16.

APA

Jonathan, P., Taylor, P. H., Daniela, M., & Alan, M. (1995). Irregular, non-linear waves in a spread sea. 9-16. Paper presented at OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng, Copenhagen, Denmark.

Vancouver

Jonathan P, Taylor PH, Daniela M, Alan M. Irregular, non-linear waves in a spread sea. 1995. Paper presented at OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng, Copenhagen, Denmark.

Author

Jonathan, Philip ; Taylor, Paul H. ; Daniela, Mercati et al. / Irregular, non-linear waves in a spread sea. Paper presented at OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng, Copenhagen, Denmark.8 p.

Bibtex

@conference{18644bae8bec41cea8ba18efaf10b8ae,
title = "Irregular, non-linear waves in a spread sea",
abstract = "Optimal design and re-assessment of offshore structures requires a good understanding of the ocean environment. The motion of the sea surface can be viewed as a three-dimensional, non-linear stochastic process. In order to characterise the wave environment adequately, we need to model its random, non-linear and spread nature. In this paper, we address: the expected shape of a linear wave near a crest or trough, the expected shape of the linear ocean surface at one point, given a crest at a different point, an efficient method to incorporate non-linear effects within linear wave simulations, the distributions of crests and troughs for observed and simulated non-linear waves, and the magnitude of wave non-linearity as a function of wave amplitude. Detailed comparison of theory and full-scale offshore measurements at the Shell Expro Tern platform show good agreement. In particular, the average shape of large waves is consistent with the NewWave theory of Tromans et al. (1991), after allowing for second-order non-linearity. Results validate the application of NewWave for structural design and re-assessment.",
keywords = "Mathematical models, Oceanography, Offshore structures, Random processes, Reliability, Structural design, Crest, Ocean surface, Sea, Water waves",
author = "Philip Jonathan and Taylor, {Paul H.} and Mercati Daniela and Murray Alan",
year = "1995",
language = "English",
pages = "9--16",
note = "OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng ; Conference date: 18-06-1995 Through 22-06-1995",

}

RIS

TY - CONF

T1 - Irregular, non-linear waves in a spread sea

AU - Jonathan, Philip

AU - Taylor, Paul H.

AU - Daniela, Mercati

AU - Alan, Murray

PY - 1995

Y1 - 1995

N2 - Optimal design and re-assessment of offshore structures requires a good understanding of the ocean environment. The motion of the sea surface can be viewed as a three-dimensional, non-linear stochastic process. In order to characterise the wave environment adequately, we need to model its random, non-linear and spread nature. In this paper, we address: the expected shape of a linear wave near a crest or trough, the expected shape of the linear ocean surface at one point, given a crest at a different point, an efficient method to incorporate non-linear effects within linear wave simulations, the distributions of crests and troughs for observed and simulated non-linear waves, and the magnitude of wave non-linearity as a function of wave amplitude. Detailed comparison of theory and full-scale offshore measurements at the Shell Expro Tern platform show good agreement. In particular, the average shape of large waves is consistent with the NewWave theory of Tromans et al. (1991), after allowing for second-order non-linearity. Results validate the application of NewWave for structural design and re-assessment.

AB - Optimal design and re-assessment of offshore structures requires a good understanding of the ocean environment. The motion of the sea surface can be viewed as a three-dimensional, non-linear stochastic process. In order to characterise the wave environment adequately, we need to model its random, non-linear and spread nature. In this paper, we address: the expected shape of a linear wave near a crest or trough, the expected shape of the linear ocean surface at one point, given a crest at a different point, an efficient method to incorporate non-linear effects within linear wave simulations, the distributions of crests and troughs for observed and simulated non-linear waves, and the magnitude of wave non-linearity as a function of wave amplitude. Detailed comparison of theory and full-scale offshore measurements at the Shell Expro Tern platform show good agreement. In particular, the average shape of large waves is consistent with the NewWave theory of Tromans et al. (1991), after allowing for second-order non-linearity. Results validate the application of NewWave for structural design and re-assessment.

KW - Mathematical models

KW - Oceanography

KW - Offshore structures

KW - Random processes

KW - Reliability

KW - Structural design

KW - Crest

KW - Ocean surface

KW - Sea

KW - Water waves

M3 - Conference paper

SP - 9

EP - 16

T2 - OMAE 1995, 14th Intl Conf on Offshore Mechanics & Arctic Engng

Y2 - 18 June 1995 through 22 June 1995

ER -