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Stabilized finite element methods for the generalized Oseen problem

✍ Scribed by M. Braack; E. Burman; V. John; G. Lube

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
313 KB
Volume
196
Category
Article
ISSN
0045-7825

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✦ Synopsis

The numerical solution of the non-stationary, incompressible Navier-Stokes model can be split into linearized auxiliary problems of Oseen type. We present in a unique way different stabilization techniques of finite element schemes on isotropic meshes. First we describe the state-of-the-art for the classical residual-based SUPG/PSPG method. Then we discuss recent symmetric stabilization techniques which avoid some drawbacks of the classical method. These methods are closely related to the concept of variational multiscale methods which seems to provide a new approach to large eddy simulation. Finally, we give a critical comparison of these methods.

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