Global Existence and Long-Time Asymptotics for Rotating Fluids in a 3D Layer

Details Global Existence and Long-Time Asymptotics for Rotating Fluids in a 3D Layer Global Existence and Long-Time Asymptotics for Rotating Fluids in a 3D Layer

2009-01-09

arxiv.org/abs/0901.1199v1

Mathematics

Analysis of PDEs

26 pages, no figure

Scientific paper

The Navier-Stokes-Coriolis system is a simple model for rotating fluids, which allows to study the influence of the Coriolis force on the dynamics of three-dimensional flows. In this paper, we consider the NSC system in an infinite three-dimensional layer delimited by two horizontal planes, with periodic boundary conditions in the vertical direction. If the angular velocity parameter is sufficiently large, depending on the initial data, we prove the existence of global, infinite-energy solutions with nonzero circulation number. We also show that these solutions converge toward two-dimensional Lamb-Oseen vortices as time goes to infinity.

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