Experimental investigation of soliton gases in shallow water experiments in 1D and 2D

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• Nicolas Mordant (Université Grenoble Alpes)
• Friday 21 October 2022, 10:30-11:00
• Seminar Room 1, Newton Institute.

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HY2W04 - Statistical mechanics, integrability and dispersive hydrodynamics

I will present our experiments on wave turbulence in shallow water either in a 1D wave tank (35 m long) or in a 2D wave tank (30mx30m). Boundary conditions are reflective so that to keep the waves in the tank for a long time. In order to obtain a stationary regimes, one has to force continuously the waves to compensate for the weak but non zero dissipation. Various forcing schemes are tested and the resulting wave fields are analysed in terms of soliton content vs dispersive waves content. Examples of forcing schemes are: direct generation of single or multiple solitons, fission of a sine wave, random forcing.   Co-authors: Thibault Leduque, Hervé Michallet, Eric Barthelémy (Université Grenoble Alpes)

This talk is part of the Isaac Newton Institute Seminar Series series.

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