Flow of electrorheological fluids under the conditions of slip on the boundary

2003/02/03 by R. H. W. Hoppe, Hoppe, R. H. W., W. G. Litvinov +1
Mathematics · Physics and Astronomy · #35Q35 #FOS: Physical sciences #Mathematical Physics (math-ph) #math-ph #math.MP #msc:35Q35

paper · pdf · doi:10.48550/arxiv.math-ph/0302001

presented in the journal ZAMM

arxiv created 2003/02/03 · arxiv updated 2009/11/30

Abstract

We derive general conditions of slip of a fluid on the boundary. Under these conditions the velocity of the fluid on the immovable boundary is a function of the normal and tangential components of the force acting on the surface of the fluid. A problem on stationary flow of an electrorheological fluid in which the terms of slip are specified on one part of the boundary and surface forces are given on the other is formulated and studied. Existence of a solution of this problem is proved by using the methods of penalty functions, monotonicity and compactness. It is shown that the method of penalty functions and the Galerkin approximations can be used for the approximate solution of the problem under consideration.

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