title: Transition from wave turbulence to dynamical crumpling in vibrated elastic plates.
abstract: We study the dynamical regime of wave turbulence of a vibrated thin elastic plate based on experimental and numerical observations. We focus our study on the strongly nonlinear regime described in a previous Letter by Yokoyama and Takaoka. At small forcing, a weakly nonlinear regime is compatible with the weak turbulence theory when the dissipation is localized at high wave number. When the forcing intensity is increased, a strongly nonlinear regime emerges: singular structures dominate the dynamics at large scales 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.
authors: Laboratoire de Physique Statistique, Ecole Normale Supérieure, Université Pierre et Marie Curie, CNRS, 24 rue Lhomond, 75005 Paris, France.
authors: Benjamin
authors: B
authors: Miquel
authors: Alexandros
authors: A
authors: Alexakis
authors: Christophe
authors: C
authors: Josserand
authors: Nicolas
authors: N
authors: Mordant