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Closure laws for interfacial pressure and interfacial velocity are proposed within the frame work of two-pressure two-phase flow models. These enable us to ensure positivity of void fractions, mass fractions and internal energies when investigating field by field waves in the Riemann problem.
On propose des lois de fermeture de vitesse et de pression d'interface pour un modèle d'écoulement diphasique à deux pressions. Celles-ci assurent champ par champ de respecter la positivité des fractions volumiques, des variables densité et énergie interne si on examine le problème de Riemann.
Coquel, Frédéric 1 ; Gallouët, Thierry 2 ; Hérard, Jean-Marc 2, 3 ; Seguin, Nicolas 2, 3
@article{CRMATH_2002__334_10_927_0, author = {Coquel, Fr\'ed\'eric and Gallou\"et, Thierry and H\'erard, Jean-Marc and Seguin, Nicolas}, title = {Closure laws for a two-fluid two-pressure model}, journal = {Comptes Rendus. Math\'ematique}, pages = {927--932}, publisher = {Elsevier}, volume = {334}, number = {10}, year = {2002}, doi = {10.1016/S1631-073X(02)02366-X}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)02366-X/} }
TY - JOUR AU - Coquel, Frédéric AU - Gallouët, Thierry AU - Hérard, Jean-Marc AU - Seguin, Nicolas TI - Closure laws for a two-fluid two-pressure model JO - Comptes Rendus. Mathématique PY - 2002 SP - 927 EP - 932 VL - 334 IS - 10 PB - Elsevier UR - http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)02366-X/ DO - 10.1016/S1631-073X(02)02366-X LA - en ID - CRMATH_2002__334_10_927_0 ER -
%0 Journal Article %A Coquel, Frédéric %A Gallouët, Thierry %A Hérard, Jean-Marc %A Seguin, Nicolas %T Closure laws for a two-fluid two-pressure model %J Comptes Rendus. Mathématique %D 2002 %P 927-932 %V 334 %N 10 %I Elsevier %U http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)02366-X/ %R 10.1016/S1631-073X(02)02366-X %G en %F CRMATH_2002__334_10_927_0
Coquel, Frédéric; Gallouët, Thierry; Hérard, Jean-Marc; Seguin, Nicolas. Closure laws for a two-fluid two-pressure model. Comptes Rendus. Mathématique, Tome 334 (2002) no. 10, pp. 927-932. doi: 10.1016/S1631-073X(02)02366-X
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