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Regularity of Flow of Anisotropic Fluid

Publication at Faculty of Mathematics and Physics |
2008

Abstract

We study the steady flow of an anisotropic generalised Newtonian fluid under Dirichlet boundary conditions in a bounded domain R2. The fluid is characterised by a nonlinear dependence of the stress tensor on the symmetric gradient of the velocity vector field.

We prove the existence of a C^1,alfa -solution of this problem under certain assumptions on the growth of the elliptic term. The result is global: we prove the regularity up to the boundary of the domain.