Identification of concentrated structures in slightly compressible flows
CREUSÉ, Emmanuel
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Mathématiques Appliquées de Bordeaux [MAB]
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Mathématiques Appliquées de Bordeaux [MAB]
CREUSÉ, Emmanuel
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Mathématiques Appliquées de Bordeaux [MAB]
< Reduce
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Mathématiques Appliquées de Bordeaux [MAB]
Language
en
Article de revue
This item was published in
Comptes rendus de l’Académie des sciences. Série IIb, Mécanique. 2001, vol. 329, n° 1-7
Elsevier
English Abstract
In this paper, different vortex diagnostic methods are compared to obtain a better understanding of boundary layer influence on the transport of vortical structures involving a complete analysis of vorticity, the Vorticity ...Read more >
In this paper, different vortex diagnostic methods are compared to obtain a better understanding of boundary layer influence on the transport of vortical structures involving a complete analysis of vorticity, the Vorticity Threshold Criterion (VTC), and the Weiss Criterion (WC). These three techniques are basically confronted to find a suitable understanding of all flow characteristics for a range of laminar to transitional Reynolds numbers. The computations on this dihedral plane are done using a 2D DNS method. The Weiss criterion, coming from the analysis of the incompressible Euler equations is validated and applied to low speed compressible flows (Mach number=0.2).Read less <
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