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Comptes Rendus Mathématique
Volume 346, n° 3-4
pages 239-242 (février 2008)
Doi : 10.1016/j.crma.2007.11.018
Received : 16 February 2007 ;  accepted : 22 November 2007
Sur la modélisation de la stabilité d’une colonne atmosphérique avec gravité dépendant de l’altitude
On modelling the stability of an atmospheric column, with an altitude dependent gravity

Alain-Yves LeRoux , Ludivine Vignon
IMB, UMR 5251, Université Bordeaux 1, 33405 Talence, France 


Les mesures des champs de densité, pression et température d’une colonne atmosphérique sont souvent réduites et quelquefois erronées, rendant nécessaire une reconstitution. Une technique originale de reconstitution et de stockage concentré, réduit à seulement 6 paramètres, est proposée, puis validée par un modèle mathématique à gravité dépendante de l’altitude, que l’on discrétise par un schéma équilibre original. Pour citer cet article : A.-Y. LeRoux, L. Vignon, C. R. Acad. Sci. Paris, Ser. I 346 (2008).

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

The measures of the fields of density, pressure and temperature of an atmospheric column are often scarce and sometimes inaccurate, which needs a necessary reconstruction. An original technique of reconstruction with a confined storage reduced to 6 parameters only, is proposed and validated by using a mathematical model with an altitude dependent gravity, and a discretization by an original well-balanced scheme. To cite this article: A.-Y. LeRoux, L. Vignon, C. R. Acad. Sci. Paris, Ser. I 346 (2008).

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

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