Asymptotic stability for the Couette flow in the 2D Euler equations
Abstract
In this expository note we discuss our recent work [arXiv:1306.5028] on the nonlinear asymptotic stability of shear flows in the 2D Euler equations of ideal, incompressible flow. In that work it is proved that perturbations to the Couette flow which are small in a suitable regularity class converge strongly in to a shear flow which is close to the Couette flow. Enstrophy is mixed to small scales by an almost linear evolution and is generally lost in the weak limit as t -> +/- infinity. In this note we discuss the most important physical and mathematical aspects of the result and the key ideas of the proof.
Cite
@article{arxiv.1309.2035,
title = {Asymptotic stability for the Couette flow in the 2D Euler equations},
author = {Jacob Bedrossian and Nader Masmoudi},
journal= {arXiv preprint arXiv:1309.2035},
year = {2013}
}
Comments
Short, expository summary of the preprint J. Bedrossian, N. Masmoudi "Inviscid damping and the asymptotic stability of planar shear flows in the 2D Euler equations", arXiv:1306.5028