Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/51861
Title: Wave height distribution in mixed sea states
Authors: Rodriguez, German 
Guedes Soares, C.
Pacheco, Mercedes 
Pérez-Martell, E. 
UNESCO Clasification: 2510 Oceanografía
Keywords: Ocean waves
Surface waves (fluid)
Height measurement
Statistical analysis
Spectral analysis, et al
Issue Date: 2002
Publisher: 0892-7219
Journal: Journal of Offshore Mechanics and Arctic Engineering 
Abstract: The statistical distribution of zero-crossing wave heights in Gaussian mixed sea states is examined by analyzing numerically simulated data. Nine different kinds of bimodal scalar spectra are used to study the effects of the relative energy ratio and the peak frequency separation between the low and high frequency wave fields on the wave height distribution. Observed results are compared with predictions of probabilistic models adopted in practice. Comparisons of the empirical data with relevant probabilistic models reveals that the Rayleigh model systematically overestimates the number of observed wave heights larger than the mean wave height, except for one of the cases analyzed. None of the models used to predict the observed exceedance probabilities is able to characterize adequately all cases of bimodal sea states examined here.
URI: http://hdl.handle.net/10553/51861
ISSN: 0892-7219
DOI: 10.1115/1.1445794
Source: Journal of Offshore Mechanics and Arctic Engineering [ISSN 0892-7219], v. 124, p. 34-40
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