Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/51859
Título: Wave period distribution in mixed sea-states
Autores/as: Rodríguez, Germán 
Soares, C. Guedes
Pacheco, Mercedes 
Clasificación UNESCO: 2510 Oceanografía
Palabras clave: Ocean waves
Wind
Spectral analysis
Gaussian processes
Hydrodynamics, et al.
Fecha de publicación: 2004
Editor/a: 0892-7219
Publicación seriada: Journal of Offshore Mechanics and Arctic Engineering 
Resumen: The statistical distribution of zero up-crossing wave periods in Gaussian mixed sea-states is examined by using numerically simulated data. Nine different kinds of bimodal spectra are used to analyze the effects of the relative energy ratio and the peak frequency separation between the low- and high-frequency wave fields on the wave period distribution. Observed results are compared with predictions given by probabilistic models suitable for practical applications. Numerical results reveal a different behavior for low- and high-period bands. Furthermore, comparisons of the empirical data with some probabilistic models often used in practice shows that none of these models is able to characterize adequately all the cases of combined sea-states examined. In fact, they might be used only in the case of wind-sea dominated sea-states with small separation between spectral frequency peaks. However, a model recently proposed by Myrhaug and Slaattelid [1] represents adequately the observed distributions of wave period.
URI: http://hdl.handle.net/10553/51859
ISSN: 0892-7219
DOI: 10.1115/1.1643387
Fuente: Journal of Offshore Mechanics and Arctic Engineering [ISSN 0892-7219], v. 126, p. 105-112
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