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Item type:Publication, Access status: with files , Experimental observation of dark solitons on the surface of water(American Physical Society (APS), 2013-03-21); ; ; ; We present the first ever observation of dark solitons on the surface of water. It takes the form of an amplitude drop of the carrier wave which does not change shape in propagation. The shape and width of the soliton depend on the water depth, carrier frequency, and the amplitude of the background wave. The experimental data taken in a water tank show an excellent agreement with the theory. These results may improve our understanding of the nonlinear dynamics of water waves at finite depths. © 2013 American Physical Society.Publicationtype: Journal ArticleScopus© Citations 94 113 72 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: with files , Rogue waves: from nonlinear Schrödinger breather solutions to sea-keeping test(Public Library of Science (PLoS), 2013-02-06); ; ; Under suitable assumptions, the nonlinear dynamics of surface gravity waves can be modeled by the one-dimensional nonlinear Schrödinger equation. Besides traveling wave solutions like solitons, this model admits also breather solutions that are now considered as prototypes of rogue waves in ocean. We propose a novel technique to study the interaction between waves and ships/structures during extreme ocean conditions using such breather solutions. In particular, we discuss a state of the art sea-keeping test in a 90-meter long wave tank by creating a Peregrine breather solution hitting a scaled chemical tanker and we discuss its potential devastating effects on the ship. © 2013 Onorato et al.Publicationtype: Journal ArticleScopus© Citations 129 89 45