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Article Dans Une Revue Physical Review Letters Année : 2013

Transition from wave turbulence to dynamical crumpling in vibrated elastic plates

Résumé

We study the dynamical regime of wave turbulence of a vibrated thin elastic plate based on experimental and numerical observations. We focus our study to the strongly non linear regime described in a previous letter by N. Yokoyama & M. Takaoka. At small forcing, a weakly non linear regime is compatible with the Weak Turbulence Theory when the dissipation is localized at high wavenumber. When the forcing intensity is increased, a strongly non linear regime emerges: singular structures dominate the dynamics at large scale whereas at small scales the weak turbulence is still present. A turbulence of singular structures, with folds and D-cones, develops that alters significantly the energy spectra and causes the emergence of intermittency.
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Dates et versions

hal-01009494 , version 1 (23-11-2023)

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Benjamin Miquel, Alexandros Alexakis, Christophe Josserand, Nicolas Mordant. Transition from wave turbulence to dynamical crumpling in vibrated elastic plates. Physical Review Letters, 2013, pp.054302. ⟨10.1103/PhysRevLett.111.054302⟩. ⟨hal-01009494⟩
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