Extreme wave events in directional, random oceanic sea states

By M. Onorato, A. Osborne, M. Serio. 2001

164 citations recorded by the source corpus.

We discuss the effect of the directional spreading on the occurrence of extreme wave events. We numerically integrate the envelope equation recently proposed by Trulsen et al. [Phys. Fluids 12, 2432 (2000)] as a weakly nonlinear model for realistic oceanic gravity waves. Initial conditions for numerical simulations are characterized by the spatial JONSWAP power spectrum for several values of the significant wave height, steepness, and directional spreading. We show that by increasing the directionality of the initial spectrum the appearance of extreme events is reduced.

Subfields: Atmospheric Science, Oceanography

View Paper: https://www.semanticscholar.org/paper/41699b1716b17144d8527e70a54221cc2b2b6882

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Citations in the corpus

Rogue waves and their generating mechanisms in different physical contexts (2013, background): “The issue was discussed for the first time in [119] from laboratory measurements and in [120] where numerical simulations in two horizontal dimensions of a higher order NLS equation have been performed.”
Evolution of weakly nonlinear random directional waves: laboratory experiments and numerical simulations (2010, background): “Under these circumstances the p.d.f. of the surface elevation matches second-order predictions (Onorato et al. 2002a; Socquet-Juglard et al. 2005; Gramstad & Trulsen 2007).”
Probability distributions of surface gravity waves during spectral changes (2005, methodology): “Our findings for this case appear to be in good agreement with the results of the experiments of Onorato et al. (2004).”
Statistical properties of mechanically generated surface gravity waves: a laboratory experiment in a three-dimensional wave basin (2009, result): “The finding is consistent with numerical simulations in Dysthe et al. (2003), where a change of the spectrum is already observed on the scale of the Benjamin–Feir instability (see also Onorato et al. 2002b).”