[Principe du maximum pour le titre massique d’un système incluant deux bilans de masse]
Dans cette note, trois schémas Volumes Finis sont proposés pour respecter le principe du maximum du titre massique, solution d’une équation de bilan instationnaire, incluant un déséquilibre en vitesse avec une vitesse relative non nulle et un terme source. Le principe du maximum continu est d’abord étudié puis les schémas discrets linéaires implicites sont détaillés dans un cadre multi-dimensionnel non structuré.
Three Finite Volume schemes are proposed in this note to satisfy the maximum principle for the mass fraction , solution of an unsteady balance equation, including a relative velocity between phases and a source term. The continuous maximum principle is examined first. Then, linear implicit discrete schemes are detailed in a multi-dimensional and unstructured framework.
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Mot clés : Principe du maximum, schéma Volumes Finis, écoulement diphasique, déséquilibre en vitesse
Gauthier Lazare 1, 2 ; Qingqing Feng 1 ; Philippe Helluy 2 ; Jean-Marc Hérard 1, 3 ; Frank Hulsemann 1 ; Stéphane Pujet 1
@article{CRMECA_2024__352_G1_81_0, author = {Gauthier Lazare and Qingqing Feng and Philippe Helluy and Jean-Marc H\'erard and Frank Hulsemann and St\'ephane Pujet}, title = {Maximum principle for the mass fraction in a system with two mass balance equations}, journal = {Comptes Rendus. M\'ecanique}, pages = {81--98}, publisher = {Acad\'emie des sciences, Paris}, volume = {352}, year = {2024}, doi = {10.5802/crmeca.244}, language = {en}, }
TY - JOUR AU - Gauthier Lazare AU - Qingqing Feng AU - Philippe Helluy AU - Jean-Marc Hérard AU - Frank Hulsemann AU - Stéphane Pujet TI - Maximum principle for the mass fraction in a system with two mass balance equations JO - Comptes Rendus. Mécanique PY - 2024 SP - 81 EP - 98 VL - 352 PB - Académie des sciences, Paris DO - 10.5802/crmeca.244 LA - en ID - CRMECA_2024__352_G1_81_0 ER -
%0 Journal Article %A Gauthier Lazare %A Qingqing Feng %A Philippe Helluy %A Jean-Marc Hérard %A Frank Hulsemann %A Stéphane Pujet %T Maximum principle for the mass fraction in a system with two mass balance equations %J Comptes Rendus. Mécanique %D 2024 %P 81-98 %V 352 %I Académie des sciences, Paris %R 10.5802/crmeca.244 %G en %F CRMECA_2024__352_G1_81_0
Gauthier Lazare; Qingqing Feng; Philippe Helluy; Jean-Marc Hérard; Frank Hulsemann; Stéphane Pujet. Maximum principle for the mass fraction in a system with two mass balance equations. Comptes Rendus. Mécanique, Volume 352 (2024), pp. 81-98. doi : 10.5802/crmeca.244. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.5802/crmeca.244/
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