Existence and uniqueness of global solutions for the modified anisotropic 3D Navier-Stokes equations

2016/01/22 by Bessaih, Hakima, Trabelsi, Saber, Zorgati, Hamdi
#35Q30 #35Q35 #76D03 #76D05 #76S05 #Analysis of PDEs (math.AP) #FOS: Mathematics

paper · doi:10.48550/arxiv.1601.06178

Abstract

We study a modified three-dimensional incompressible anisotropic Navier-Stokes equations. The modification consists in the addition of a power term to the nonlinear convective one. This modification appears naturally in porous media when a fluid obeys the Darcy-Forchheimer law instead of the classical Darcy law. We prove global in time existence and uniqueness of solutions without assuming the smallness condition on the initial data. This improves the result obtained for the classical 3D incompressible anisotropic Navier-Stokes equations.

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