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research article

Stabilized finite element schemes for incompressible flow using Scott-Vogelius elements

Burman, E.
•
Linke, A.
2008
Applied Numerical Mathematics

We propose a stabilized mixed finite element method based on the Scott-Vogelius element tor the Oseen equation. Here. only convection has to he stabilized since by construction both the discrete pressure and the divergence of the discrete velocities, are controlled in the norm L-2. As stabilization we propose either the local projection stabilization or the interior penalty stabilization based on the penalization of the gradient jumps over element edges. We prove a discrete inf-sup condition leading to optimal a priori error estimates. Moreover, convergence of the velocities is completely independent of the pressure regularity, and in the purely incompressible case the discrete velocities are pointwise divergence free. The theoretical considerations are illustrated by Some numerical examples. (C) 2007 IMACS. Published by Elsevier B.V. All rights reserved.

  • Details
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Type
research article
DOI
10.1016/j.apnum.2007.11.001
Web of Science ID

WOS:000260268600008

Author(s)
Burman, E.
Linke, A.
Date Issued

2008

Published in
Applied Numerical Mathematics
Volume

58

Start page

1704

End page

1719

Subjects

Mixed finite elements

•

Stabilized methods

•

Solenoidal finite elements

•

Interior penalty stabilization

•

Local projection

•

Oseen's equation

•

LBB-condition

•

A priori estimate

•

Navier-Stokes Equations

•

Variational Multiscale Method

•

Oseen Problem

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SB  
Available on Infoscience
November 30, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/60926
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