On solutions of the Euler equation for incoherent fluid on a rotating sphere
Mathematical Physics
2026-03-09 v1 math.MP
Exactly Solvable and Integrable Systems
Fluid Dynamics
Abstract
The motion of compressible, inviscid fluid under the constant pressure on a rotating sphere is studied. The hodograph equations for the corresponding Euler equation are presented. They provide us with the class of solutions of the Euler equation parameterized by two arbitrary functions of two variables. Several particular explicit solutions are given. The blow-up curves, on which the derivatives of velocitiy blows up, are described. The limiting cases of slowly and rapidly rotating sphere are considered. The equation describing the deformations of elliptic functions modulus is presented.
Cite
@article{arxiv.2603.05737,
title = {On solutions of the Euler equation for incoherent fluid on a rotating sphere},
author = {B. G. Konopelchenko and G. Ortenzi},
journal= {arXiv preprint arXiv:2603.05737},
year = {2026}
}
Comments
21 pages, 2 figures