Wave turbulence buildup in a vibrating plate

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作者
María Inés Auliel
Benjamin Miquel
Nicolas Mordant
机构
[1] Universidad de Buenos Aires,Laboratorio de Fluidodinamica, CONICET
[2] Universidad Nacional de Tres de Febrero, Facultad de Ingenieria
[3] Université Grenoble Alpes,Laboratoire des Ecoulements Géophysiques et Industriels
[4] CNRS,Department of Applied Mathematics
[5] University of Colorado,undefined
[6] Institut Universitaire de France,undefined
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Statistical and Nonlinear Physics;
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摘要
We report experimental and numerical results on the buildup of the energy spectrum in wave turbulence of a vibrating thin elastic plate. Three steps are observed: first a short linear stage, then the turbulent spectrum is constructed by the propagation of a front in wave number space and finally a long time saturation due to the action of dissipation. The propagation of a front at the second step is compatible with scaling predictions from the Weak Turbulence Theory.
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