Attractors for two dimensional waves with homogeneous Hamiltonians of degree 0 - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2018

Attractors for two dimensional waves with homogeneous Hamiltonians of degree 0

Yves Colin de Verdìère

Résumé

The density stratification in an incompressible fluid is responsible for the propagation of internal waves. In domains with topography, these waves exhibit interesting features. In particular, numerical and lab experiments show that, in two dimensions, for generic forcing frequencies, these waves concentrate on attractors. The goal of this paper is to analyze mathematically this behavior, using tools from spectral theory and microlocal analysis. The same results apply also to inertial waves in rotating fluids.
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Dates et versions

hal-01685278 , version 1 (16-01-2018)
hal-01685278 , version 2 (26-03-2018)
hal-01685278 , version 3 (24-09-2018)

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Yves Colin de Verdìère, Laure Saint-Raymond. Attractors for two dimensional waves with homogeneous Hamiltonians of degree 0. 2018. ⟨hal-01685278v1⟩
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