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Comptes Rendus Mécanique
Volume 330, n° 3
pages 193-198 (2002)
Doi : S1631-0721(02)01448-1
Received : 26 November 2001 ;  accepted : 17 December 2001
Calcul de l'écoulement autour d'un cylindre semi-circulaire par une méthode de collocation
Numerical study of the flow over a half-circular cylinder by a diffuse approximation-based collocation method
 

Tonino Sophy a, Hamou Sadat a , Roger Bouard b
a Laboratoire d'études thermiques, UMR 6608, École supérieure d'ingénieurs de Poitiers, 40, avenue du Recteur Pineau, Poitiers cedex, France 
b Laboratoire d'études aérodynamiques, UMR 6609, Université de Poitiers, SP2MI, boulevard 3, Téléport 2, BP 179, 86960 Futuroscope cedex, France 

Note présentée par René Moreau

Résumé

Une méthode de collocation utilisant l'approximation diffuse est utilisée pour étudier l'écoulement autour d'obstacles. Après une validation pour le cas d'un cylindre de section circulaire, nous montrons que la méthode permet d'obtenir le nombre de Strouhal pour un objet cylindrique de section semi-circulaire au nombre de Reynolds de 65. Pour citer cet article : T. Sophy et al., C. R. Mecanique 330 (2002) 193-198.

The full text of this article is available in PDF format.
Abstract

A diffuse approximation based collocation method is used for the study of the flow over a half-circular cylinder. We give some results on the instationary wake at a Reynolds number Re=65. To cite this article: T. Sophy et al., C. R. Mecanique 330 (2002) 193-198.

The full text of this article is available in PDF format.

Mots-clé : mécanique des fluides numérique, approximation diffuse, écoulement, cylindre semi-circulaire

Keywords : computational fluid mechanics, diffuse approximation, fluid flow, half-circular cylinder



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