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Дисертації з теми "Écoulements incompressibles diphasiques"
Amaziane, Brahim. "Application des techniques d'homogénéisation aux écoulements diphasiques incompressibles en milieu poreux." Lyon 1, 1988. http://www.theses.fr/1988LYO10030.
Повний текст джерелаAhmadi-Sénichault, Azita. "Utilisation de propriétés équivalentes dans les modèles de réservoir : cas des écoulements diphasiques incompressibles." Bordeaux 1, 1992. http://www.theses.fr/1992BOR10660.
Повний текст джерелаJasor, Marie-Josée. "Perturbations singulières d'équations non linéaires de diffusion-convection, modèlisant des écoulements diphasiques incompressibles en milieu poreux." Pau, 1992. http://www.theses.fr/1992PAUU3013.
Повний текст джерелаCayré, Florent. "Méthodes volumes finis sur maillages non structurés pour la simulation numérique des écoulements incompressibles monophasiques et diphasiques." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0025/MQ49061.pdf.
Повний текст джерелаTrontin, Pierre. "Développement d'une approche de type LES pour la simulation d'écoulements diphasiques avec interface : application à l'atomisation primaire." Phd thesis, Ecole nationale superieure de l'aeronautique et de l'espace, 2009. http://tel.archives-ouvertes.fr/tel-00499373.
Повний текст джерелаObelembia, Adande Hugo. "Contribution à l'étude de l'unicité pour des systèmes d'équations de conservation : cas des écoulements diphasiques incompressibles en milieu poreux." Pau, 1996. http://www.theses.fr/1996PAUU3025.
Повний текст джерелаDelage, Santacreu Stéphanie. "Méthode de raffinement de maillage adaptatif hybride pour le suivi de fronts dans des écoulements incompressibles." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2006. http://tel.archives-ouvertes.fr/tel-00012193.
Повний текст джерелаla taille mémoire. On montre au travers de cas d'étude 2D et 3D, judicieusement choisis, l'efficacité de cette méthode.
Fanzar, Abdelaziz. "Développement d’un code numérique pour la simulation et l’étude de l’hydrodynamique et de la physico-chimie de milieux diphasiques incompressibles. Cas d’une goutte d’eau dans l’huile de paraffine." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4339.
Повний текст джерелаFor several decades, an important scientific activity has focused on the numerical, theoretical and experimental hydrodynamics of drops. This work presents numerical results of a single droplet in the gravity field and in non-isothermal conditions. The simulation such a multiphase system is important in both academic and industrial world. This is particularly the case in the field of emulsions, wetting problems and evaporation. To achieve this goal, there are still important algorithmic problems due to the free moving interfaces and the description of capillary effects. Here, a Volume of Fluid technique has been implemented with high order temporal and spatial schemes to preserve the sharpness of the drop interface. The system under consideration is a simplified model consisting in a single water droplet in a continuous paraffin oil phase. These liquids are immiscible and non-compressible and the overall evolution is unsteady. Capillary contributions such as temperature and surfactant dependent surface tension are fully accounted for. This presentation is aimed to show the capabilities of VOF techniques for the simulations of unsteady multiphase systems in non-isothermal configurations. The role of the droplet initial position and temperature field is described with good numerical stability. There are still important problems remaining in the simulation of free interface systems with such a technique. Spurious currents induced by the description of capillarity can in particular come into play. But these latter can be controlled once the droplet average velocity due to drainage becomes large enough
Billaud, Friess Marie. "Eléments finis stabilisés pour des écoulements diphasiques compressible-incompressible." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2009. http://tel.archives-ouvertes.fr/tel-00565815.
Повний текст джерелаBillaud, Marie. "Eléments finis stabilisés pour des écoulements diphasiques compressible-incompressible." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13872/document.
Повний текст джерелаIn this work, we are interested in the numerical simulation of instationnary viscous flows of two immiscible fluids, separated by a mobile interface. In particular, flows without shock composed of a gas phase and a liquid phase are considered. In order to modelize such flows, an approach in which the gaz is described by compressible Navier-Stokes equations and the liquid by incompressible Navier-Stokes équations is proposed. The coupling between these two models is the originality and the stake of this thesis. To treat this important difficulty, a global (i.e. the same for each phase) and simple method is elaborated. In our procedure we propose, using the Navier-Stokes equations formulated in set of primitives unknowns (pressure, velocity and temperature), to elaborate a strategy that relies on the follow components: the stabilized finite element method to discretize spatially the Navier-Stokes equations; the Level Set method for tracking the interface precisely with a discontinuous Galerkin method to solve the associated transport equation; and some averaged quantities to treat the discontinuities at the interface. The good behaviour of this approach is performed on both one and two spatial dimensions