The modeling of small scales in two-dimensional turbulent flows: A statistical mechanics approach |
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Authors: | Raoul Robert Carole Rosier |
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Institution: | (1) CNRS, Laboratoire d'Analyse Numérique, Université Lyon 1, F-69622 Villeurbanne Cedex, France |
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Abstract: | In previous work we have defined statistical equilibrium states for 2D incompressible Euler equations. We study here the relaxation process toward equilibrium. This leads to a natural modeling of the small scales in turbulent flows, which might be relevant for meteorological and oceanographic applications. Numerical simulations illustrating the performance of these new models are presented. |
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Keywords: | 2D turbulence statistical mechanics small-scale modeling |
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