| Issue |
ESAIM: M2AN
Volume 42, Number 6, November-December 2008
|
|
|---|---|---|
| Page(s) | 903 - 924 | |
| DOI | https://doi.org/10.1051/m2an:2008032 | |
| Published online | 12 August 2008 | |
A stabilized finite element scheme for the Navier-Stokes equations on quadrilateral anisotropic meshes
Mathematisches Seminar, Christian-Albrechts-Universität zu Kiel,
Ludewig-Meyn-Str. 4, 24098 Kiel, Germany. braack@math.uni-kiel.de
Received:
18
April
2007
Revised:
25
February
2008
Revised:
31
March
2008
It is well known that the classical local projection method as well as residual-based stabilization techniques, as for instance streamline upwind Petrov-Galerkin (SUPG), are optimal on isotropic meshes. Here we extend the local projection stabilization for the Navier-Stokes system to anisotropic quadrilateral meshes in two spatial dimensions. We describe the new method and prove an a priori error estimate. This method leads on anisotropic meshes to qualitatively better convergence behavior than other isotropic stabilization methods. The capability of the method is illustrated by means of two numerical test problems.
Mathematics Subject Classification: 35Q30 / 65N30 / 76D05
Key words: Incompressible flow / Navier-Stokes equations / stabilized finite elements / anisotropic meshes.
© EDP Sciences, SMAI, 2008
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