Journal
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
Volume 147, Issue 2, Pages 287-300Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0377-0427(02)00437-5
Keywords
Navier-Stokes equations; slip with friction boundary condition; penetration with resistance boundary condition; finite element methods
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We consider slip with friction and penetration with resistance boundary conditions in the steady state Navier-Stokes equations. This paper describes some aspects of the implementation of these boundary conditions for finite element discretizations. Numerical tests on two- and three-dimensional channel flows across a step using the slip with friction boundary condition study the influence of the friction parameter on the position of the reattachment point and the reattachment line of the recirculating vortex, respectively. (C) 2002 Elsevier Science B.V. All rights reserved.
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