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Pré-Publication, Document De Travail Année : 2009

Large deviation principle and inviscid shell models

Résumé

A LDP is proved for the inviscid shell model of turbulence. As the viscosity coefficient converges to 0 and the noise intensity is multiplied by the square root of the viscosity, we prove that some shell models of turbulence with a multiplicative stochastic perturbation driven by a H-valued Brownian motion satisfy a LDP in C([0,T],V) for the topology of uniform convergence on [0,T], but where V is endowed with a topology weaker than the natural one. The initial condition has to belong to V and the proof is based on the weak convergence of a family of stochastic control equations. The rate function is described in terms of the solution to the inviscid equation.
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Dates et versions

hal-00383258 , version 1 (12-05-2009)
hal-00383258 , version 2 (29-11-2009)

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Hakima Bessaih, Annie Millet. Large deviation principle and inviscid shell models. 2009. ⟨hal-00383258v1⟩

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