English

Mathematical study of the equatorial Ekman boundary layer

Analysis of PDEs 2020-01-08 v1

Abstract

In this paper we study the well-posedness of a simple model of boundary layer for rotating fluids between two concentric spheres near the equator. We show that this model can be seen as a degenerate elliptic equation , for which we prove an existence result thanks to a Lax-Milgram type lemma. We also prove uniqueness under an additional integrability assumption and present a transparent boundary condition for such layers.

Keywords

Cite

@article{arxiv.1812.09185,
  title  = {Mathematical study of the equatorial Ekman boundary layer},
  author = {Jean Rax},
  journal= {arXiv preprint arXiv:1812.09185},
  year   = {2020}
}
R2 v1 2026-06-23T06:53:43.233Z