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Comptes Rendus Mathématique
Volume 337, n° 12
pages 809-813 (décembre 2003)
Doi : 10.1016/j.crma.2003.10.016
Received : 27 February 2003 ;  accepted : 10 October 2003
Modelling of a fluid: homogenization and mixed scales

Isabelle  Gruais
Université de Rennes 1, I.R.M.A.R., campus de Beaulieu, 35042 Rennes cedex, France 


The limit behavior of a mixture made of drops of some fluid immersed in another fluid is analysed in the framework of periodic homogenization when the size of the drops is critical compared with the period of the underlying network. More precisely, a strange term is obtained in the limit thus leading to a Brinkmann law. To cite this article: I. Gruais, C. R. Acad. Sci. Paris, Ser. I 337 (2003).


On étudie le comportement limite d'un mélange composé de gouttes d'un fluide immergées dans un deuxième fluide lorsque la répartition - théorique - des gouttes permet de se placer dans les conditions d'application de l'homogénéisation périodique. On suppose que la taille relative de ces gouttes par rapport à la petite période du problème a la valeur critique qui permet de faire apparaître un terme étrange caractérisant la loi de Brinkmann des fluides. Pour citer cet article : I. Gruais, C. R. Acad. Sci. Paris, Ser. I 337 (2003).

© 2003  Académie des sciences@@#104156@@

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