Experimental evidence of the modulation of a plane wave to oblique perturbations and generation of rogue waves in finite water depth

Toffoli, A., Fernandez, L., Monbaliu, J., Benoit, M., Gagnaire-Renou, E., Lefèvre, J. M., Cavaleri, L., Proment, Davide ORCID: https://orcid.org/0000-0002-9472-0097, Pakozdi, C., Stansberg, C. T., Waseda, T. and Onorato, M. (2013) Experimental evidence of the modulation of a plane wave to oblique perturbations and generation of rogue waves in finite water depth. Physics of Fluids, 25 (9). ISSN 1070-6631

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Abstract

We present a laboratory experiment in a large directional wave basin to discuss the instability of a plane wave to oblique side band perturbations in finite water depth. Experimental observations, with the support of numerical simulations, confirm that a carrier wave becomes modulationally unstable even for relative water depths k0h < 1.36 (with k the wavenumber of the plane wave and h the water depth), when it is perturbed by appropriate oblique disturbances. Results corroborate that the underlying mechanism is still a plausible explanation for the generation of rogue waves in finite water depth.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Mathematics
Depositing User:	Pure Connector
Date Deposited:	24 Sep 2013 00:57
Last Modified:	09 Feb 2023 13:38
URI:	https://ueaeprints.uea.ac.uk/id/eprint/43410
DOI:	10.1063/1.4821810

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