Excitation of rogue waves in a variable medium:An experimental study on the interaction of water waves and currents

Toffoli, A., Waseda, T., Houtani, H., Kinoshita, T., Collins, K., Proment, Davide ORCID: https://orcid.org/0000-0002-9472-0097 and Onorato, M. (2013) Excitation of rogue waves in a variable medium:An experimental study on the interaction of water waves and currents. Physical Review E, 87 (5). 051201. ISSN 1539-3755

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Abstract

We show experimentally that a stable wave propagating into a region characterized by an opposite current may become modulationally unstable. Experiments have been performed in two independent wave tank facilities; both of them are equipped with a wavemaker and a pump for generating a current propagating in the opposite direction with respect to the waves. The experimental results support a recent conjecture based on a current-modified nonlinear Schrödinger equation which establishes that rogue waves can be triggered by a nonhomogeneous current characterized by a negative horizontal velocity gradient.

Item Type: Article
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 24 Sep 2013 00:57
Last Modified: 24 Oct 2022 04:38
URI: https://ueaeprints.uea.ac.uk/id/eprint/43408
DOI: 10.1103/PhysRevE.87.051201

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