Chapter
Dec 31, 2015
Six-Parameter Wave Spectra
Authors: Michel K. Ochi and E. Nadine HubbleAuthor Affiliations
Publication: Coastal Engineering 1976
Abstract
In an attempt to develop a systematic series of wave spectra covering a variety of spectral shapes observed in the ocean, this paper presents a newly developed series of wave spectra which involves six parameters. In the development of the six-parameter wave spectra, the spectra are decomposed into two parts. Each part is expressed by a mathematical formula with three parameters, and the total spectrum is expressed by the combination of two sets of three-parameter spectra. Results of analysis have shown that the six-parameter wave spectra thus derived appear to represent almost all stages of development of a sea during a storm. Then, from the statistical analysis of 800 spectra observed at the North Atlantic Ocean, the values of the six-parameters are expressed in terms of significant wave height so that a family of spectra for a desired sea severity can be generated.
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© 1977 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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Michel K. Ochi
David W. Taylor Naval Ship Research and Development Center, Washington, D.C., U.S.A.
E. Nadine Hubble
David W. Taylor Naval Ship Research and Development Center, Washington, D.C., U.S.A.
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