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Session: Intermittency and scaling 3
Session starts: Wednesday 26 August, 10:30
Presentation starts: 10:45
Room: Room H

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Sergio Chibbaro (UPMC Paris)
Christophe Josserand (Institut d'Alembert Paris)

Abstract:
We study numerically the long-time evolution of waves of a thin elastic plate for different energy input. In particular, we focus on the possible existence of intermittency, intended mainly as highly non-gaussian features. We show that deviations from the Kolmogorov- Zakharov scenario are present in high-order structure functions of the deplacement. This is more pronounced for higher- energy input even though the limit of small deformation so that modes of oscillations interact weakly is globally kept valid.