English

Remarks on the emergence of weak Euler solutions in the vanishing viscosity limit

Analysis of PDEs 2018-11-14 v2 Fluid Dynamics

Abstract

We prove that if the local second-order structure function exponents in the inertial range remain positive uniformly in viscosity, then any spacetime L2L^2 weak limit of Leray--Hopf weak solutions of the Navier-Stokes equations on any bounded domain ΩRd\Omega\subset \mathbb{R}^d, d=2,3d= 2,3 is a weak solution of the Euler equations. This holds for both no-slip and Navier-friction conditions with viscosity-dependent slip length. The result allows for the emergence of non-unique, possibly dissipative, limiting weak solutions of the Euler equations.

Keywords

Cite

@article{arxiv.1808.01014,
  title  = {Remarks on the emergence of weak Euler solutions in the vanishing viscosity limit},
  author = {Theodore D. Drivas and Huy Q. Nguyen},
  journal= {arXiv preprint arXiv:1808.01014},
  year   = {2018}
}

Comments

Remark 3 added and minor changes incorporated after revision. Accepted to J. Nonlinear Science