Large Deviations Principle for the Inviscid Limit of Fluid Dynamic Systems in 2D Bounded Domains

  • Authors: Federico Butori, Eliseo Luongo
  • Preprint year: 2023
  • First public date: 2023-05-18
  • arXiv: 2305.11148
  • Status: Published
  • Publication type: Journal article
  • Publication year: 2024
  • Journal: Electronic Journal of Probability 29, 1–42 (2024)
  • DOI: 10.1214/24-EJP1238

Abstract

Using a weak convergence approach, we establish a Large Deviation Principle (LDP) for the solutions of fluid dynamic systems in two-dimensional bounded domains subjected to no-slip boundary conditions and perturbed by additive noise. Our analysis considers the convergence of both viscosity and noise intensity to zero. Specifically, we focus on three important scenarios: Navier-Stokes equations in a Kato-type regime, Navier-Stokes equations for fluids with circularly symmetric flows and Second-Grade Fluid equations. In all three cases, we demonstrate the validity of the LDP, taking into account the critical topology $C([0,T];L^2).$

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