Academic literature on the topic 'Simulation directe numérique'
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Journal articles on the topic "Simulation directe numérique"
Wang, H. Y., S. Rouvreau, P. Cordeiro, G. Legros, and P. Joulain. "Simulation numérique directe de flammes de diffusion laminaires en microgravité." Mécanique & Industries 5, no. 5 (September 2004): 607–12. http://dx.doi.org/10.1051/meca:2004063.
Full textBenjeddou, Saı̈d, Claude Rey, and Eric Serre. "Application de l'approximation polytropique à la Simulation Numérique Directe de gaz chauds." Comptes Rendus Mécanique 332, no. 4 (April 2004): 271–77. http://dx.doi.org/10.1016/j.crme.2003.09.006.
Full textHarizi, Athmane, El Ahcene Mahfoudi, and Abderrahmane Gahmousse. "Simulation numérique de la transition laminaire/turbulent de la couche limite autour d’une aube de turbine à gaz." Journal of Renewable Energies 15, no. 4 (October 25, 2023): 561–70. http://dx.doi.org/10.54966/jreen.v15i4.345.
Full textDANIS, MICHEL, and MICHEL QUINTARD. "Simulation numérique du comportement d'une nappe aquifère captive: estimation directe des processus transitoires." Hydrological Sciences Journal 32, no. 1 (March 1987): 105–11. http://dx.doi.org/10.1080/02626668709491165.
Full textLaizet, Sylvain, and Eric Lamballais. "Simulation numérique directe de l'influence de la forme aval d'une plaque séparatrice sur une couche de mélange." Comptes Rendus Mécanique 334, no. 7 (July 2006): 454–60. http://dx.doi.org/10.1016/j.crme.2006.06.005.
Full textWITKOWSKA, A., D. JUVÉ, and J. BRASSEUR. "Estimation numérique du bruit rayonné par une turbulence homogène et isotrope, à l'aide d'un code de simulation directe et d'un code de simulation des grandes échelles." Le Journal de Physique IV 04, no. C5 (May 1994): C5–939—C5–942. http://dx.doi.org/10.1051/jp4:19945205.
Full textCouchot, Edmond. "Au-delà du cinéma. Image et temps numériques." Cinémas 5, no. 1-2 (February 28, 2011): 69–80. http://dx.doi.org/10.7202/1001005ar.
Full textBenbouhenni, Habib. "Commande DTC cinq niveaux à 24 secteurs basée sur les réseaux de neurones de la MAS de forte puissance." Journal of Renewable Energies 21, no. 3 (September 30, 2018): 373–84. http://dx.doi.org/10.54966/jreen.v21i3.696.
Full textBenmebarek, S., and R. Kastner. "Modélisation numérique des mouvements de terrain meuble induits par un tunnelier." Canadian Geotechnical Journal 37, no. 6 (December 1, 2000): 1309–24. http://dx.doi.org/10.1139/t00-024.
Full textMenhoudj, Sayeh, Djamel Sifodil, and Abderrahmane Mokhtari. "Etude expérimentale d’un système solaire actif-PSD." Journal of Renewable Energies 15, no. 3 (October 23, 2023): 479–88. http://dx.doi.org/10.54966/jreen.v15i3.337.
Full textDissertations / Theses on the topic "Simulation directe numérique"
Rueda, Villegas Lucia. "Simulation numérique directe de l'effet Leidenfrost." Phd thesis, Toulouse, INPT, 2013. http://oatao.univ-toulouse.fr/14177/1/rueda.pdf.
Full textVoronetska, Kateryna. "Simulation numérique directe des écoulements à phases dispersées." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14507/document.
Full textThe flow of immiscible fluids is a frequent issue in the petroleum industry: hydrocarbon in pipelines, separation process for production, fuel injection in engines, refinery treatment processes, etc.There are two possible approaches to model this type of flow. In the first one, the flow is described macroscopically. In this case, local phenomena (breakage or coalescence of droplets, phase slip, local compaction) are modeled thanks to analytic closure laws or empiric laws. In the second approach, the flow is simulated indirectly on a scale of droplet and we want to describe precisely the interface and the interactions between phases. We propose here to consider the second method to study liquid/liquid dispersed flows and especially the phenomena of breakage or coalescence and collision or distortion of the droplets.Thus, the main purpose of this work was the development of a direct numerical simulation code that is capable to model a liquid-liquid two-phase flow, in order to study in detail the effects of droplets coalescence and breakage. To model a two-phase flow, it is necessary to choose an appropriate interface tracking method and to develop a solver for Navier-Stokes incompressible equations to compute the velocity and pressure values. Also, a coupling method that is able to handle the discontinuous quantities at the interface has to be implemented. Our numerical tool has been validated on numerous academic test cases and applied to study the process of liquid-liquid separation
Le, Martelot Sébastien. "Contribution à la simulation numérique directe de l'ébullition." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4758/document.
Full textPart of the researches concerning the Vinci cryogenic engine, created to propel the last part of Ariane 6, the main goal of this thesis is the direct numerical simulation of boiling flows.Simulation this kind of flow requires the modelling and the resolution of the multiple internal physical effects as well as phases interactions. To achieve this goal, we created models and numerical schemes suited to the boiling flows. The method is used on fine meshes in order to be able to resolve the flow structure, essentially at the interface
Zuzio, Davide. "Simulation numérique directe d'écoulements diphasiques avec maillage auto adaptatif." Phd thesis, Ecole nationale superieure de l'aeronautique et de l'espace, 2010. http://tel.archives-ouvertes.fr/tel-00630136.
Full textKomiwes, Vincent. "Simulation numérique directe d'écoulements granulaires en présence de fluide." Paris 6, 1999. http://www.theses.fr/1999PA066268.
Full textBenjeddou, Saïd. "Simulation numérique directe des gaz fortement chauffés et approximation polytropique." Aix-Marseille 2, 2003. http://www.theses.fr/2003AIX22088.
Full textRoblin, Simon. "Etude numérique de l'auto-inflammation des solides par simulation numérique directe : application au polyméthacrylate de méthyle." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2016. http://www.theses.fr/2016ESMA0023/document.
Full textFire propagation on the scale of buildings and cities is a major stake. It is conditioned by the ignition of solid fuels in rooms adjacent to the one where the disaster originally takes place. The ignition is so piloted by the initiation of the combustion reaction of the gaseous mixture stemming from the thermal decomposition of the condensed phase induced by heat transfer.Two types of ignition are defined in the literature: piloted-ignition related to the presence of a hot spot and auto-ignition resulting from the thermal runaway within the gas phase. The auto-ignition plays a major role in the context of fire spread between rooms. However, this process has been very little experimentally studied, because of its complexity, and only theoretical analyses were lead concerning the phenomena which take place during solid fuels auto ignition.The aim of the present study is to characterize auto-ignition regimes according to various solid typologies (regarding to thermal and kinetic behaviour) in order to understand better their processes and their occurrence conditions. Thereby, this fine understanding allows to develop global models of fire spread for a deterministic consideration of the fire hazards at urban scale.The brief and local character of the auto-ignition requires the choice of a complete resolution for flows, transfers and chemistry. Thus, the Direct Numerical Simulation (DNS) was selected to capture the phenomena, with the introduction of a fine and non-infinitely fast chemistry of thermal decomposition and combustion
Caudal, Jean. "Simulation numérique du reformage autothermique du méthane." Phd thesis, Ecole Centrale Paris, 2013. http://tel.archives-ouvertes.fr/tel-00862538.
Full textNoël, Emeline. "Simulation numérique directe d'écoulements à l'aide d'une méthode de frontière immergée." Phd thesis, INSA de Rouen, 2012. http://tel.archives-ouvertes.fr/tel-00845203.
Full textHarribey, Thibault. "Simulation numérique directe de la turbulence en présence d'une paroi ablatable." Toulouse, ISAE, 2011. http://www.theses.fr/2011ESAE0010.
Full textConference papers on the topic "Simulation directe numérique"
VERJUS, Romuald, and Sylvain GUILLOU. "Simulation numérique directe du phénomène de sédimentation à faible nombre de Reynolds." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.057-v.
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