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Observation of wave turbulence in vibrating plates

Abstract : The nonlinear interaction of waves in a driven medium may lead to wave turbulence, a state such that energy is transferred from large to small lengthscales. Here, wave turbulence is observed in experiments on a vibrating plate. The frequency power spectra of the normal velocity of the plate may be rescaled on a single curve, with power-law behaviors that are incompatible with the weak turbulence theory of D{ü}ring et al. [Phys. Rev. Lett. 97, 025503 (2006)]. Alternative scenarios are suggested to account for this discrepancy --- in particular the occurrence of wave breaking at high frequencies. Finally, the statistics of velocity increments do not display an intermittent behavior.
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Contributor : Arezki Boudaoud <>
Submitted on : Saturday, October 4, 2008 - 11:40:57 AM
Last modification on : Wednesday, December 9, 2020 - 3:45:00 AM
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Arezki Boudaoud, Olivier Cadot, Benoît Odille, Cyril Touzé. Observation of wave turbulence in vibrating plates. Physical Review Letters, American Physical Society, 2008, 100 (23), pp.234504. ⟨10.1103/PhysRevLett.100.234504⟩. ⟨hal-00326634⟩



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