Publications

Rodriguez, G., Guedes Soares, C., Pacheco, M. and Pérez-Martell, E. (2002), “Wave Height Distribution in Mixed Sea States”, Journal of Offshore Mechanics and Arctic Engineering, Vol. 124, Issue 1, pp. 34-40

The statistical distribution of zero-crossing wave heights in mixed sea states is examined by analysing 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 given by relevant probabilistic models. 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 analysed. None of the models used to predict the observed exceedance probabilities is able to characterise adequetely all the cases of bimodal sea states examined here.

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