Journal
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
Volume 85, Issue 3, Pages 189-209Publisher
WILEY
DOI: 10.1002/fld.4378
Keywords
stabilized method; MRF; ALE; LES; VMS; VAD
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Funding
- DFG program [GSC 111]
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In complex applications, such as the analysis of hydraulic performance of blood pumps (ventricular assist devices), the Navier-Stokes equations have to be discretized on very anisotropic meshes. If stabilized finite element formulations are applied, standard definitions of the stabilization parameter are usually not appropriate to handle elements with a high aspect ratio. If, in addition, rotating objects, moving meshes, or turbulence has to be considered in the simulation, further modifications of the stabilization procedure have to be applied. In this paper, we present stabilized space-time finite element formulations of the incompressible NavierStokes equations that show very good convergence properties on complex anisotropic meshes and lead to reasonable numerical accuracy in complex flows when compared with experimental data. Copyright (C) 2017 John Wiley & Sons, Ltd.
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