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Artykuły w czasopismach na temat "Dynamique des fluides – Simulation par ordinateur"
Kherchouche, Abdellah, Houssam Habibi, Fouzia Ouarhlent i Azeddine Soudani. "Simulation numérique d'un écoulement turbulent à masse volumique variable". Journal of Renewable Energies 22, nr 2 (6.10.2023): 205–15. http://dx.doi.org/10.54966/jreen.v22i2.738.
Pełny tekst źródłaToussaint, J., T. Habtemariam, D. Oryang i S. Wilson. "Développement d’un modèle de simulation informatique pour l’anaplasmose, notamment dans les Antilles". Revue d’élevage et de médecine vétérinaire des pays tropicaux 46, nr 1-2 (1.01.1993): 47–48. http://dx.doi.org/10.19182/remvt.9396.
Pełny tekst źródłaRabhi, Kamel, Ali Chaouki i Habib Ben Bacha. "Simulation en régime dynamique d’un système de réfrigération solaire à adsorption". Journal of Renewable Energies 17, nr 4 (19.10.2023). http://dx.doi.org/10.54966/jreen.v17i4.467.
Pełny tekst źródłaRozprawy doktorskie na temat "Dynamique des fluides – Simulation par ordinateur"
Mougin, Guillaume. "Interactions entre la dynamique d'une bulle et les instabilités de son sillage". Toulouse, INPT, 2001. http://www.theses.fr/2001INPT042H.
Pełny tekst źródłaAgbaglah, Gbémého Gilou. "Dynamique et instabilité des nappes liquides". Paris 6, 2011. http://www.theses.fr/2011PA066195.
Pełny tekst źródłaCorvisier, Philippe. "Ecoulement de fluides thixotropes dans des conduites droites ou présentant des singularités". Nancy 1, 2001. http://www.theses.fr/2001NAN10188.
Pełny tekst źródłaThe aim of this study is to put the focus on the interaction between the reorganization of the internal structure of a thixotropic fluid and the velocity field. Three cases were considered : a flow in a straight pipe, an entry flow and a start up flow. Velocity profiles were measured by particle image velocimetry (PIV). A flatness of velocity profiles, large vortex zones and a plug flow were observed. Then, a rheological study was conducted. It shows that a modified Quemada model with a fractional kinetic for the structural parameter l could be used. Moreover, to have a better understanding of the observed phenomenon in the pipe and to generalize the results, numerical simulations were performed. The finite volume code Fluent 4. 5 was adapted to deal with thixotropy by adding user defined subroutines. A good agreement between numerical and experimental results was observed. Moreover, the flow development was investigated by the analysis of the structural field
Marzouk, Salwa. "Simulation numérique d'un écoulement de type jet pulsé". Aix-Marseille 2, 2002. http://www.theses.fr/2002AIX22078.
Pełny tekst źródłaOtheguy, Mendionde Pantxika. "Dynamique de l'appariement tourbillonnaire en milieu stratifie et stratifie tournant". Palaiseau, Ecole polytechnique, 2005. http://tel.archives-ouvertes.fr/docs/00/06/19/56/PDF/Pantxika_Otheguy.pdf.
Pełny tekst źródłaOne of the main characteristics of geophysical flows is the presence of stable stratification, i. E the presence of a vertical density gradient. Such flows are generally organized into thin horizontal layers. This PhD thesis investigates numerically, theoretically and experimentally the dynamics of a pair of co-rotating vertical vortices in a stratified fluid in order to understand the mechanism of formation of such layered structure. Such flow is of high interest because co-rotating vortex pairs play an important role in two-dimensional turbulence through the merging process which leads to the energy transfer from small to large scales. A three-dimensional instability has been discovered. It is similar to the zigzag instability observed on a pair of counter-rotating vortices in a stratified fluid and it decorrelates the vortex merging along the vertical. A numerical three-dimensional stability analysis has shown that the zigzag instability dominates for strong stratification whereas the elliptic instability dominates for weak stratification. The zigzag instability bends symmetrically the two vortices without significant internal deformation. It selects a wavelength proportional to Fh b, where Fh is the horizontal Froude number and b the separation distance between the vortices. Its growth rate is proportional to the strain rate. An asymptotic analysis has recovered these scaling laws and has shown that the zigzag instability comes from the coupling between vortex bending modes and the strain field that each vortex generates on the other. Experimental observations and Direct Numerical simulations have also shown that the vertical lengthscale selected by the instability agrees with the predictions. Of the stability analyses. The non-linear effects do not slow down the instability development but tends to recorrelate the fluid within each layers and to expel vertical gradients in between these layers. In the final part, the effect of planetary rotation has been investigated. It is shown that the zigzag instability remains active with a growth rate independent of the Coriolis parameter. In the rapidly rotating regime (quasi-geostrophic), the zigzag instability is similar to the "tall-column" instability with the most unstable wavelength proportional to Fh b / Ro, where Ro is the Rossby number. This instability may therefore affect geophysical flows for a large range of parameters both in the oceans and the atmosphere
Goulley, Geofroi. "Étude des écoulements dans les procédés d'injection de résine sur renfort". Lille 1, 1995. http://www.theses.fr/1995LIL10142.
Pełny tekst źródłaElqotbi, Mohammed. "Application de la dynamique des fluides (CFD) à la modélisation d'un bioréacteur gaz-liquide". Electronic Thesis or Diss., Lille 1, 2009. http://www.theses.fr/2009LIL10023.
Pełny tekst źródłaThis work, in its methodological progression, aims at validating and implementing the fluid dynamics contribution, both theoretical and numerical, to the fermentation processes in agitated vessels. Indeed, its contribution in other engineering fields, where material flows and transformations coexist, could arouse additional deep interest. The detailed description of the evolution of the reactor contents in the final analysis proposes the pattern that is realized during the industrial exploitation of the studied operation. The thesis thus presents an approach to a reactor performance during fermentation. Combining multiphase flow with its, inter-phase mass transfer kinetics and particularly with the reactive aspect of the latter is the subject of progressive integration leading to a model of "numerical fermentation". A statistical analysis over the bulk data collected in the course of such an operation allow to evaluate more than one characteristic, and to draw much useful information not only for the study in the stage of development of the process but also for the support of its productive exploitation. The flexibility of the data-processing tool thus developed initiates competition between this evaluation method for process simulation and the reality itself as far as such processes practised so far through laboratory models or pilot models are largely more expensive at more than one plane. The numerical methods adapted to such type of problems developed well in the last decade and the material that supports the calculation itself do not exclude employment of some modest means of acquisition. Not unlike chemical reaction engineering, biological reaction engineering would thus have the possibility to benefit of this nonintrusive technique of study excluding any economic or even ecological damage. -----------------------
Benzaoui, Abderrahmane. "Simulation numérique des écoulements de Poiseuille-Rayleigh-Bénard : application aux procédés de fabrication de couches minces par CVD". Université de Marne-la-Vallée, 2006. http://www.theses.fr/2006MARN0323.
Pełny tekst źródłaWe propose a numerical study of Poiseuille-Rayleigh-Bénard flows (mixed convection in horizontal rectangular channel heated from below). We study in particular the longitudinal and wavy thermoconvective roll patterns. We show that wavy rolls are rarely observed in experiments because they are a convective instability of longitudinal rolls. We finely analyse the influence of sinusoidal and random mechanical excitations on the development and on the dynamic of the wavy rolls. The influence of these thermoconvective flows on the shape of the deposited films in the rectangular thermal CVD reactors is studied. We show that the presence of the wavy or chaotic roll patterns in these reactors improve the uniformity of the deposited film. This study is carried out using a numerical code that solves the 3D Navier-Stokes equations, for a binary mixture, with a reactive wall condition to simulate the depositions
Abide, Stéphane. "Une méthode de décomposition de domaine pour la simulation numérique directe : contribution à l'étude de jets plans en impact". Nantes, 2005. http://www.theses.fr/2005NANT2081.
Pełny tekst źródłaDirect Numerical Simulation is a powerful tool in Fluid Mechanics since it allows to describe accurately both in space and time the kinematic and dynamic features of a flow. However, due to the desirable high order discretization, this approach is often restricted to simple geometries. This work proposes a domain decomposition method dedicated to the numerical simulations of turbulent flows which is based on a direct multi-domain solution of the Navier-Stokes equations formulated in primitive variables. The method solves efficiently (parallelization) the incompressible Navier-Stokes equations on " complex " geometries, like inter-connected quadrilaterals, while preserving high order accuracy. Numerous validation test cases are proposed including space/time accuracy, the lid driven cavity, the backward facing step and the flow around a square cylinder. A Direct Numerical Simulation of a square pipe flow is also performed. For fast cooling applications, a preliminary study of the propagation front of the temperature within a thin plate by using plane laminary impinging jet is presented. Finally, an important part of this work is devoted to the study of plane jet impinging on a plane surface and a cubical obstacle for a Reynolds number equal to 3000. A detailed analysis of the statistical, spectral and structural properties of the flow is achieved to obtain a better understanding of the complex phenomena occuring in such a configuration
Meister, Lionel. "Contribution à l'étude numérique de l'interaction choc / couche limite dans des écoulements hyper-enthalpiques". Aix-Marseille 1, 2004. http://www.theses.fr/2004AIX11052.
Pełny tekst źródłaKsiążki na temat "Dynamique des fluides – Simulation par ordinateur"
Tu, Jiyuan. Computational fluid dynamics: A practical approach. Amsterdam: Butterworth-Heinemann, 2008.
Znajdź pełny tekst źródłaDynamic modeling in the health sciences. New York: Springer, 1998.
Znajdź pełny tekst źródłaInteractive dynamic-system simulation. Wyd. 2. Boca Raton, FL: CRC Press, 2011.
Znajdź pełny tekst źródłaHeermann, Dieter W. Computer simulation methods in theoretical physics. Wyd. 2. Berlin: Springer-Verlag, 1990.
Znajdź pełny tekst źródłaHeermann, Dieter W. Computer simulation methods in theoretical physics. Wyd. 2. Berlin: Springer-Verlag, 1990.
Znajdź pełny tekst źródłaComputer simulation methods in theoretical physics. Berlin: Springer-Verlag, 1986.
Znajdź pełny tekst źródła1963-, Leitner David M., i Straub John Edward, red. Proteins: Energy, heat and signal flow. Boca Raton: CRC Press, 2010.
Znajdź pełny tekst źródła1963-, Leitner David M., i Straub John Edward, red. Proteins: Energy, heat, and signal flow. Boca Raton: Taylor & Francis, 2010.
Znajdź pełny tekst źródłavan, Gunsteren Wilfred F., Weiner Paul K i Alliant Computer Systems Corporation, red. Computer simulation of biomolecular systems: Theoretical and experimental applications : proceedings of two colloquia organized by Alliant Computer Systems Corporation, December 16-18, 1987, Princeton, New Jersey, U.S.A. and April 20-23, 1988, Amsterdam, the Netherlands. Leiden: ESCOM, 1989.
Znajdź pełny tekst źródłaM, Becker Oren, red. Computational biochemistry and biophysics. New York: M. Dekker, 2001.
Znajdź pełny tekst źródłaCzęści książek na temat "Dynamique des fluides – Simulation par ordinateur"
PERNOD, Laëtitia. "Calcul d’interaction fluide-structure par co-simulation". W Interactions fluide-structure, 221–63. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9078.ch8.
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