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Статті в журналах з теми "EDPs de la mécanique des fluides"
Guinot, de Vincent. "Ondes en mécanique des fluides." European Journal of Computational Mechanics 16, no. 1 (January 2007): 127–29. http://dx.doi.org/10.1080/17797179.2007.9737277.
Повний текст джерелаGarin, Arnaud Martin, and Pierre Crancon. "Mécanique des fluides et applications." La Houille Blanche, no. 2 (April 2001): 23. http://dx.doi.org/10.1051/lhb/2001016.
Повний текст джерелаJaumotte, André, and Patrick Rambaud. "Les modèles en mécanique des fluides." Bulletin de la Classe des sciences 17, no. 7 (2006): 267–70. http://dx.doi.org/10.3406/barb.2006.28560.
Повний текст джерелаColin, Thierry. "Modèles stratifiés en mécanique des fluides géophysiques." Annales mathématiques Blaise Pascal 9, no. 2 (2002): 229–43. http://dx.doi.org/10.5802/ambp.158.
Повний текст джерелаHauguel, A. "Méthodes et outils numériques en mécanique des fluides." La Houille Blanche, no. 3 (March 1986): 193–200. http://dx.doi.org/10.1051/lhb/1986018.
Повний текст джерелаVadot, Louis. "Réflexions sur l'histoire de la mécanique des fluides." La Houille Blanche, no. 5-6 (August 1994): 89–94. http://dx.doi.org/10.1051/lhb/1994062.
Повний текст джерелаCanavelis, R. "Mécanique des fluides et applications industrielles Rapport Général." La Houille Blanche, no. 1 (February 1999): 48–54. http://dx.doi.org/10.1051/lhb/1999005.
Повний текст джерелаMekontso Dessap, A. "Balance des fluides et sevrage de la ventilation mécanique." Réanimation 25, no. 2 (January 27, 2016): 221–25. http://dx.doi.org/10.1007/s13546-016-1172-9.
Повний текст джерелаMaugin, Gérard A. "Paul Germain et la mécanique des fluides (1945–1970)." Comptes Rendus Mécanique 345, no. 9 (September 2017): 605–12. http://dx.doi.org/10.1016/j.crme.2017.06.001.
Повний текст джерелаBouvard, Maurice. "De l'hydroélectricité à la mécanique de fluides « tous azimuths » : Evolution des activités scientifiques et industrielles de la mécanique des fluides-hydraulique à Grenoble." La Houille Blanche, no. 5-6 (August 1994): 131–38. http://dx.doi.org/10.1051/lhb/1994068.
Повний текст джерелаДисертації з теми "EDPs de la mécanique des fluides"
Ayoub, Rama. "Développement d’une méthode de discrétisation des EDPs basée sur le calcul extérieur discret." Thesis, La Rochelle, 2020. https://tel.archives-ouvertes.fr/tel-03327048.
Повний текст джерелаDEC (Discrete exterior calculus) is a geometric integrator based on exterior calculus, which has been successfully applied to different fields, namely to electromagnetism and isothermal fluid mechanics. Its combinatorial construction ensures that, as in the continuous case, the discrete exterior derivative operator d verifies the fundamental relation d²=0. As a consequence, vector analysis relations such as div curl = 0 and curl grad = 0 are naturally satisfied at machine precision during the simulation. A crucial operator in exterior calculus is the Hodge operator. One of the most popular choice of discrete Hodge operator in DEC is the diagonal Hodge. Its construction is based on a circumcentric dual mesh. In this thesis, the application of the DEC in fluid mechanics on anisothermal flows,in the context of a formulation with a stream function is first presented. Then, in the second part of the thesis, a new construction of the discrete Hodge operator is proposed. The new operator called the analytical Hodge operator is general and thus extends the choice of the dual mesh which can be based on any interior point (circumcenter, barycenter, incenter ...). Numerical tests revealing the good results of our construction are performed and convergence on different types of meshes (structured, unstructured, non-Delaunay) is presented.In the last part of the thesis, we introduce the equivalent expression of Neumann boundary conditions in the context of DEC in 2D meshes. The derivation of this expression can be performed on any type of mesh and independently of the choice of discretization of the Hodge operator. This allows us to solve Navier-Stokes equations in primary variables (velocity-pressure) using prediction-correction schemes in the context of DEC. In the last chapter, the previous developments are extended to the 3D case. In each contribution, different numerical tests evaluating robustness and convergence on different types of meshes are presented
Perrin, Charlotte. "Modèles hétérogènes en mécanique des fluides : phénomènes de congestion, écoulements granulaires et mouvement collectif." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAM023/document.
Повний текст джерелаThis thesis is dedicated to the description and the mathematical analysis of heterogeneities and congestion phenomena in fluid mechanics models.A rigorous link between soft congestion models, based on the compressible Navier--Stokes equations which take into account short--range repulsive forces between elementary components; and hard congestion models which describe the transitions between free/compressible zones and congested/incompressible zones.We are interested then in the macroscopic modelling of mixtures composed solid particles immersed in a fluid.We provide a first mathematical answer to the question of the transition between the suspension regime dictated by hydrodynamical interactions and the granular regime dictated by the contacts between the solid particles.The method highlights the crucial role played by the memory effects in the granular regime.This approach enables also a new point of view concerning fluids with pressure-dependent viscosities.We finally deal with the microscopic and the macroscopic modelling of vehicular traffic.Original numerical schemes are proposed to robustly reproduce persistent traffic jams
Tendani, Adrien. "Effet régularisant, controlabilité et anisotropie en mécanique des fluides." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0214.
Повний текст джерелаIn this thesis, we are mainly interested in the dissipative properties of certain PDEs, particularly from fluid mechanics. The two major issues through which these properties are studied are: Cauchy’s theory (regularizing effect, well-posed character, weak solution and weakstrong uniqueness) and the control theory (exact controllability of trajectories and characterization of achievable states). In this work, several models are studied: the Navier-Stokes-Korteweg system, which describes a compressible fluid with capillarity effects which inducing dispersion; the sub- Riemannian Navier-Stokes system on stratified Lie groups, where the system exhibits anisotropy properties linked to the sub-Riemannian structure; and the semi-linear heat equation, for which the achievable states are studied. The tools used are varied: Fourier analysis (on Euclidean space and Lie groups), Carleman inequalities, anisotropic para-differential calculation, quantification of nilpotent Lie groups and complex analysis
Bocchi, Edoardo. "Compressible-incompressible transitions in fluid mechanics : waves-structures interaction and rotating fluids." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0279/document.
Повний текст джерелаThis manuscript deals with compressible-incompressible transitions arising in partial differential equations of fluid mechanics. We investigate two problems: floating structures and rotating fluids. In the first problem, the introduction of a floating object into water waves enforces a constraint on the fluid and the governing equations turn out to have a compressible-incompressible structure. In the second problem, the motion of geophysical compressible fluids is affected by the Earth's rotation and the study of the high rotation limit shows that the velocity vector field tends to be horizontal and with an incompressibility constraint.Floating structures are a particular example of fluid-structure interaction, in which a partially immersed solid is floating at the fluid surface. This mathematical problem models the motion of wave energy converters in sea water. In particular, we focus on heaving buoys, usually implemented in the near-shore zone, where the shallow water asymptotic models describe accurately the motion of waves. We study the two-dimensional nonlinear shallow water equations in the axisymmetric configuration in the presence of a floating object with vertical side-walls moving only vertically. The assumptions on the solid permit to avoid the free boundary problem associated with the moving contact line between the air, the water and the solid. Hence, in the domain exterior to the solid the fluid equations can be written as an hyperbolic quasilinear initial boundary value problem. This couples with a nonlinear second order ODE derived from Newton's law for the free solid motion. Local in time well-posedness of the coupled system is shown provided some compatibility conditions are satisfied by the initial data in order to generate smooth solutions.Afterwards, we address a particular configuration of this fluid-structure interaction: the return to equilibrium. It consists in releasing a partially immersed solid body into a fluid initially at rest and letting it evolve towards its equilibrium position. A different hydrodynamical model is used. In the exterior domain the equations are linearized but the nonlinear effects are taken into account under the solid. The equation for the solid motion becomes a nonlinear second order integro-differential equation which rigorously justifies the Cummins equation, assumed by engineers to govern the motion of floating objects. Moreover, the equation derived improves the linear approach of Cummins by taking into account the nonlinear effects. The global existence and uniqueness of the solution is shown for small data using the conservation of the energy of the fluid-structure system.In the second part of the manuscript, highly rotating fluids are studied. This mathematical problem models the motion of geophysical flows at large scales affected by the Earth's rotation, such as massive oceanic and atmospheric currents. The motion is also influenced by the gravity, which causes a stratification of the density in compressible fluids. The rotation generates anisotropy in viscous flows and the vertical turbulent viscosity tends to zero in the high rotation limit. Our interest lies in this singular limit problem taking into account gravitational and compressible effects. We study the compressible anisotropic Navier-Stokes-Coriolis equations with gravitational force in the horizontal infinite slab with no-slip boundary condition. Both this condition and the Coriolis force cause the apparition of Ekman layers near the boundary. They are taken into account in the analysis by adding corrector terms which decay in the interior of the domain. In this work well-prepared initial data are considered. A stability result of global weak solutions is shown for power-type pressure laws. The limit dynamics is described by a two-dimensional viscous quasi-geostrophic equation with a damping term that accounts for the boundary layers
Kolumban, Jozsef. "Control issues for some fluid-solid models." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLED012/document.
Повний текст джерелаThe analysis of the behavior of a solid or several solids inside a fluid is a long-standing problem, that one can see described in many classical textbooks of hydrodynamics. Its study from a mathematical viewpoint has attracted a growing attention, in particular in the last 15 years. This research project aims at focusing on several aspect of this mathematical analysis, in particular on control and asymptotic issues. A simple model of fluid-solid evolution is that of a single rigid body surrounded by a perfect incompressible fluid. The fluid is modeled by the Euler equations, while the solid evolves according to Newton’s law, and is influenced by the fluid’s pressure on the boundary. The goal of this PhD thesis would consist in various studies in this branch, and in particular would investigate questions of controllability of this system, as well as limit models for thin solids converging to a curve. We would also like to study the Navier-Stokes/solid control system in a similar manner to the previously discussed controllability problem for the Euler/solid system. Another direction for this PhD project is to obtain a limit when the solid concentrates into a curve. Is it possible to obtain a simplified model of a thin object evolving in a perfect fluid, in the same way as simplified models were obtained for objects that are small in all directions? This could open the way to future investigations on derivation of liquid crystal flows as the limit of the system describing the interaction between the fluid and a net of solid tubes when the diameter of the tubes is converging to zero
Noisette, Florent. "Interactions avec la frontière pour des équations d’évolutions non-linéaires, non-locales." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0356.
Повний текст джерелаThe main results of my PhD thesis are :• Uniqueness of bounded vorticity solution for the 2D euler equation with sources and sinks• Uniqueness of bounded momentum solution of the CH equation with in and out-flow• An algorythm for the simulation of growth of Micro algae• shape derivative of the Dirichlet to neumann operator on a generic bounded domain• regularity of the Dirichlet to Neumann operator on a generic H^s manifold
Azerad, Pascal. "Contributions à l'étude de quelques équations aux dérivées partielles, en mécanique des fluides et en génie côtier." Habilitation à diriger des recherches, Université Montpellier II - Sciences et Techniques du Languedoc, 2007. http://tel.archives-ouvertes.fr/tel-00221442.
Повний текст джерелаIls se classent en trois thèmes:
Analyse asymptotique des équations de Navier-Stokes,
Optimisation de forme d'ouvrages de lutte contre l'érosion du littoral,
Etude d'équations aux dérivées partielles comportant des termes non-locaux.
Dans le thème 1, je développe la justification mathématique de l'approximation hydrostatique pour les fluides géophysiques à faible quotient d'aspect, hypothèse couramment vérifiée en océanographie et en météorologie. C'est un problème de perturbation singulière. Je présente également l'étude théorique et numérique de l'écoulement cône-plan, utilisé en hématologie-hémostase pour le sang de patients. Il s'agit d'un problème de couche limite singulière.
Le thème 2 concerne le génie côtier. Les ouvrages utilisés tels que épis, brise-lames, enrochements sont de forme trop rudimentaire. Leur efficacité peut être améliorée significativement si leur forme est optimisée pour réduire l'énergie dissipée par la houle dans la zone proche-littorale. Nous optimisons aussi la forme de géotextiles immergés. Ce travail, réalisé dans le cadre de la thèse de Damien Isèbe, a reçu le soutien de l'ANR (projet COPTER) et s'effectue en partenariat avec le laboratoire Géosciences Montpellier et l'entreprise Bas-Rhône-Languedoc ingénierie (Nîmes).
Dans le thème 3, nous prouvons existence, unicité et régularité de solutions pour l'équation de la chaleur fractionnaire, perturbée par un bruit blanc. C'est une équation aux dérivées partielles stochastique.Nous prouvons enfin un résultat d'existence, unicité et dépendance continue pour une loi de conservation non linéaire, comportant un terme non local, qui modélise l'évolution d'un profil de dune immergée.
L'intérêt mathématique est que l'équation ne vérifie pas le principe du maximum mais possède néanmoins un effet régularisant.
Chatelin, Robin. "Méthodes numériques pour l'écoulement de Stokes 3D : fluides à viscosité variable en géométrie complexe mobile : application aux fluides biologiques." Phd thesis, Université Paul Sabatier - Toulouse III, 2013. http://tel.archives-ouvertes.fr/tel-00946993.
Повний текст джерелаPolizzi, Bastien. "Modélisation et simulations numériques pour des systèmes de la mécanique des fluides avec contraintes : application à la biologie et au trafic routier." Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4069/document.
Повний текст джерелаThis thesis is devoted to the study of partial differential equation systems. In particular, we are interested in constrained systems coming from the fluid mechanics field which allow to describe, in time and space, physical quantities such as density or speed. In this context we build models for biology: modeling of the growth of micro-algae biofilms and modeling of the large intestine and its mucus layer. These models are then tested numerically using numerical schemes specifically developed for these models. This thesis is supplemented with a numerical study of Aw-Rascle model with constraint for road traffic
Benjelloun, Saad. "Quelques problèmes d'écoulement multi-fluide : analyse mathématique, modélisation numérique et simulation." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2012. http://tel.archives-ouvertes.fr/tel-00764374.
Повний текст джерелаКниги з теми "EDPs de la mécanique des fluides"
1908-, Landau Lev Davidovich. Mécanique des fluides. 2nd ed. Moscou: Editions Mir, 1989.
Знайти повний текст джерелаComolet, Raymond. Mécanique expérimentale des fluides. 5th ed. Paris: Masson, 1990.
Знайти повний текст джерелаGuillaume-Jean, Milan, ed. La mécanique des fluides: Roman. [Paris]: Denoël, 2014.
Знайти повний текст джерелаNoël, Jean. Jean Noël: La mécanique des fluides. Montbéliard, France: 19, Centre régional d'art contemporain, 2001.
Знайти повний текст джерелаPadet, Jacques P. Fluides en écoulement: Méthodes et modèles. Paris: Masson, 1990.
Знайти повний текст джерелаGranger, Robert Alan. Fluid mechanics. New York: Holt, Rinehart, and Winston, 1985.
Знайти повний текст джерелаPérez, José-Philippe. Mécanique points matériels, solides, fluides avec exercices et problèmes résolus. 2nd ed. Paris: Masson, 1989.
Знайти повний текст джерелаMidoux, N. Mécanique et rhéologie des fluides en génie chimique. Paris: Technique et documentation-Lavoisier, 1985.
Знайти повний текст джерелаHamouda, Riadh Ben. Notions de mécanique des fluides: Cours et exercices corrigés. Manouba (Tunisie): Centre de publication universitaire, 2009.
Знайти повний текст джерелаZeytounian, Radyadour Kh, ed. Les Modèles Asymptotiques de la Mécanique des Fluides II. Berlin/Heidelberg: Springer-Verlag, 1987. http://dx.doi.org/10.1007/bfb0028912.
Повний текст джерелаЧастини книг з теми "EDPs de la mécanique des fluides"
Charru, François. "La mécanique des fluides avant 1930." In Science Networks. Historical Studies, 51–84. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70236-6_3.
Повний текст джерелаCharru, François. "Création des instituts de mécanique des fluides." In Science Networks. Historical Studies, 85–104. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70236-6_4.
Повний текст джерелаFortin, Michel. "Problèmes de surfaces libres en mécanique des fluides." In Shape Optimization and Free Boundaries, 143–71. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2710-3_4.
Повний текст джерелаChemin, Jean-Yves. "Analyse microlocale et mécanique des fluides en dimension deux." In Proceedings of the International Congress of Mathematicians, 1077–85. Basel: Birkhäuser Basel, 1995. http://dx.doi.org/10.1007/978-3-0348-9078-6_100.
Повний текст джерелаCorradi, Massimo. "De la statique des demi-fluides à la théorie de la poussée des terres." In Entre Mécanique et Architecture / Between Mechanics and Architecture, 221–56. Basel: Birkhäuser Basel, 1995. http://dx.doi.org/10.1007/978-3-0348-9072-4_13.
Повний текст джерела"Bibliographie." In Mécanique des fluides, 359–60. Dunod, 2022. http://dx.doi.org/10.3917/dunod.amiro.2022.01.0359.
Повний текст джерела"Bibliographie." In Mécanique des fluides, 357–58. Dunod, 2017. http://dx.doi.org/10.3917/dunod.amiro.2017.01.0357.
Повний текст джерела"Chapitre 9 Mécanique des fluides." In Mécanique classique - Cours et exercices corrigés - Tome 2, 413–82. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2672-8.c002.
Повний текст джерела"Chapitre 9 Mécanique des fluides." In Mécanique classique - Cours et exercices corrigés - Tome 2, 413–82. EDP Sciences, 2022. https://doi.org/10.1051/978-2-7598-2671-1.c002.
Повний текст джерела"Equations de la mécanique des fluides." In Eléments d’analyse pour l’étude de quelques modèles d’écoulements de fluides visqueux incompressibles, 1–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-29819-3_1.
Повний текст джерелаТези доповідей конференцій з теми "EDPs de la mécanique des fluides"
Demuro, Antonietta. "Quelques exemples d’interaction entre théorie et empirie dans l’étude statistique de la turbulence (1920-1940). Quel intérêt pour la formation et l’enseignement de la mécanique des fluides d’aujourd’hui ?" In Journée d'étude "Apprendre et penser les sciences dans l’enseignement scientifique : vers une interdisciplinarité didactique-Histoire des sciences-épistémologie", 187–208. MSH Paris-Saclay Éditions, Université Paris-Saclay, 2024. http://dx.doi.org/10.52983/gzuo3747.
Повний текст джерелаCrastes, Clément. "Enseigner la mécanique des fluides au lycée et en début de licence en s’appuyant sur l’histoire des sciences. Propositions didactiques." In Journée d'étude "Apprendre et penser les sciences dans l’enseignement scientifique : vers une interdisciplinarité didactique-Histoire des sciences-épistémologie", 155–86. MSH Paris-Saclay Éditions, Université Paris-Saclay, 2024. http://dx.doi.org/10.52983/hnta5760.
Повний текст джерелаBallotti, Andrea, Simone Castellani, and Antonio Andreini. "A Dynamic Thickening Strategy for High-Fidelity CFD Analyses of Multi-Regime Combustion." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-125777.
Повний текст джерелаMolina García, Erika Natalia. "Déversement du regard fluide. Esquisse d'une méthodologie pour approcher théoriquement le cinéma." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.3090.
Повний текст джерелаPineda, Saira F., Arjan M. Kamp, D. Legendre, and Armando J. Blanco. "Axisymmetric Low-Reynolds Motion of Drops Through Circular Microchannels." In ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icnmm2012-73198.
Повний текст джерела