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Academic literature on the topic 'Particules (physique) – Modèles mathématiques'
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Journal articles on the topic "Particules (physique) – Modèles mathématiques"
Pecker, Jean-Claude. "Modèles mathématiques et réalité physique." Le Débat 56, no. 4 (1989): 166. http://dx.doi.org/10.3917/deba.056.0166.
Full textBousquet, Bruno, Lionel Canioni, Jean-Paul Guillet, Stéphanie Fleck, Erwan Normand, and Martin Hachet. "HOBIT. Un concept innovant pour la transformation des pratiques pédagogiques en physique." Reflets de la physique, no. 73 (July 2022): 36–39. http://dx.doi.org/10.1051/refdp/202273036.
Full textAllard, Michel, and Maurice K.-Seguin. "Le pergélisol au Québec nordique : bilan et perspectives." Géographie physique et Quaternaire 41, no. 1 (December 18, 2007): 141–52. http://dx.doi.org/10.7202/032671ar.
Full textNabeneza, Serge, Vincent Porphyre, and Fabrice Davrieux. "Caractérisation des miels de l’océan Indien par spectrométrie proche infrarouge : étude de faisabilité." Revue d’élevage et de médecine vétérinaire des pays tropicaux 67, no. 3 (June 27, 2015): 130. http://dx.doi.org/10.19182/remvt.10181.
Full textCHIRA, Rodica-Gabriela. "Sophie Hébert-Loizelet and Élise Ouvrard. (Eds.) Les carnets aujourd’hui. Outils d’apprentissage et objets de recherche. Presses universitaires de Caen, 2019. Pp. 212. ISBN 979-2-84133-935-8." Journal of Linguistic and Intercultural Education 13 (December 1, 2020): 195–200. http://dx.doi.org/10.29302/jolie.2020.13.12.
Full textOuld Mohamed Yahya, Ahmed, Abdel Kader Ould Mahmoud, and Issakha Youm. "Modélisation d’un système de stockage intégré dans un système hybride (PV / Eolien / Diesel)." Journal of Renewable Energies 10, no. 2 (November 12, 2023). http://dx.doi.org/10.54966/jreen.v10i2.783.
Full textSergio Pablo, Farabello. "Comprensión del concepto transformación de funciones y su aplicación a la ecuación sinusoidal de la onda." RIDAA Tesis Unicen, March 15, 2024. http://dx.doi.org/10.52278/3852.
Full textDissertations / Theses on the topic "Particules (physique) – Modèles mathématiques"
Lesur, Maxime. "The Berk-Breizman Model as a Paradigm for Energetic Particle-driven Alfvén Eigenmodes." Phd thesis, Ecole Polytechnique X, 2010. http://tel.archives-ouvertes.fr/tel-00563110.
Full textLanchier, Nicolas. "Systèmes de particules multicolores." Rouen, 2005. http://www.theses.fr/2005ROUES019.
Full textMost mathematical models in the biological literature that describe inherently spatial phenomena of interacting populations consist of systems of ordinary differential equations obtained under global dispersion assumptions, thus leaving out any spatial structure. Interacting particle systems are Markov processes with state space FS where F is a finite set of colors and where S is a spatial structure, typically Zd. They are ideally suited to study the consequences of the inclusion of a spatial structure in the form of local interactions. We investigate the mathematical properties (stationary distribution, geometry of the configurations, phase transitions) of various multicolour particle systems defined on Zd. Each of these systems is intended to model local interactions within a spatially structured community of populations. More precisely, the biological processes we investigate are ecological succession, allelopathy or competition between an inhibitory species and a susceptible species, multi-species host-symbiont interactions, and persistent gene flow from transgenic crops to wild relatives through pollination in a heterogeneous environment. The mathematical techniques are probabilistic, including coupling, duality, multiscales arguments, oriented percolation, asymptotic properties of random walks, and large deviations estimates
Barraquand, Guillaume. "Quelques modèles intégrables dans la classe d'universalité KPZ." Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCC242.
Full textThis thesis is about exactly solvable stochastic models in the KPZ universality class. The first chapter provides an overview of the recent methods designed to study such systems. We also present the different works which constitute this thesis, leaving aside the technical details, but rather focusing on the interpretation of the results and the general methods that we use. The three next chapters each correspond to an article published or submitted for publication. The first chapter is an asymptotic study of the q-TASEP interacting particle system, when the system is perturbed by a few slower particles. We show that the system obeys to the same limit theorem as TASEP, and one observes the so-called BBP transition. The second chapter, based on a work in collaboration with Ivan Corwin, introduces new exactly solvable exclusion processes. We verify the predictions from KPZ scaling theory, and we also study the less universal behaviour of the first particle. The third chapter corresponds to a second work in collaboration with Ivan Corwin. We introduce a random walk in random environment, which turns out to be exactly solvable. We prove that the second order correction to the large deviation principle is Tracy-Widom distributed on a cube root scale. We give a probabilistic interpretation of this limit theorem, and show that the result also propagates at zero-temperature
Jasiak, Rafal. "Ultrafast electron dynamics and decoherence in metallic nanostructures." Strasbourg, 2011. http://www.theses.fr/2011STRA6040.
Full textThe ultrafast electron dynamics in thin metal films was studied numerically using both a semiclassical model (Vlasov-Poisson) and a fully quantum approach based on the Wigner equation. For large excitation energies, the quantum and classical dynamics are virtually identical, whereas they diverge below a certain threshold, roughly equal to the plasmon energy. This is a clear signature of a quantum-mechanical effect, which should be observable in standard pump-probe experiments on thin metal films. For longer timescales, the electron dynamics becomes dissipative, as the electrons exchange energy incoherently with the ion lattice. A classical relaxation time and a quantum decoherence time were shown to emerge naturally from the simulations. These time scales are in good agreement with phenomenological estimates based on the two-temperature model, and correctly reproduce the main features observed in experiments on small sodium clusters
Tine, Léon Matar. "Analyse mathématique et numérique de modèles de coagulation-fragmentation." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10147/document.
Full textThis thesis concerns the mathematical and numerical analysis of the asymptotic behavior of some coagulation-fragmentation type models arising in physics or in biology.In the first part we consider the Lifshitz-Slyozov system that models the dumping of a population of macro-particles in interaction with a bath of monomers. This model develops in long time a behavior depending in a very particular way on the initial data abd its technical specificities make a real challenge for the numerical simulation. We introduce a new numerical finite volume type scheme based on an anti-dissipative strategy; this scheme succeeds in capturing the asymptotic profiles waited by the theory and exceeds in performances the methods used before. The numerical investigation ispursued by taking into account in the model the phenomena of coalescence between macro-particles through the Smoluchowski operator. The question is to find by numerical experiment how these phenomena influence the asymptotic behavior. We also consider an extension of the classical Lifshitz-Slyozov model which takes into account the spatial effects via the diffusion of monomers. We establish the existence and the uniqueness of the solutions of the corresponding hyperbolic-parabolic coupled system.The second part of this thesis deals with approaches coagulation-fragmentation models stemming from biology. Indeed, we are interest in equations describing the phenomena of growth and division for a celles population caracterised by its size density repartition. The asymptotic behavior of this size density repartition is accessible to the experiment and can be established in theory. The biological stake consists, from measured data of the cellular density, to estimate the cellular division rate which is not experimentally measurable. So, to find this cellular division rate requires the study of an inverse problem which we approach numerically and theoretically by techniques of regularizations by quasi-reversibility and by filtering.This third part of this thesis work is devoted to coupled systems describing fluid-particles interactions with coagulation-fragmentation terms of Becker-Döring type. We study the stability properties of the model and we present some asymptotic results corresponding to the regime with strong friction force
Gueroult, Renaud. "Étude d'une source d'ions obtenue par extraction et accélération à partir d'une source plasma filaire." Phd thesis, Palaiseau, Ecole polytechnique, 2011. https://pastel.hal.science/docs/00/64/68/21/PDF/these.pdf.
Full textIn this study we first model a DC low pressure wire plasma source and then characterize the properties of an ion gun derived from the plasma source. In order to study the properties of the derived ion gun, we develop a particle-in-cell code fitted to the modelling of the wire plasma source operation, and validate it by confrontation with the results of an experimental study. In light of the simulation results, an analysis of the wire discharge in terms of a collisional Child-Langmuir ion flow in cylindrical geometry is proposed. We interpret the mode transition as a natural reorganisation of the discharge when the current is increased above a threshold value which is a function of the discharge voltage, the pressure and the inter-electrodes distance. In addition, the analysis of the energy distribution function of ions impacting the cathode demonstrates the ability to extract an ion beam of low energy spread around the discharge voltage assuming that the discharge is operated in its high pressure mode. An ion source prototype allowing the extraction and acceleration of ions from the wire source is then proposed. The experimental study of such a device confirms that, apart from a shift corresponding to the accelerating voltage, the acceleration scheme does not spread the ion velocity distribution function along the axis of the beam. It is therefore possible to produce tunable energy (0-5 keV) ion beams of various ionic species presenting limited energy dispersion (~ 10 eV). The typical beam currents are about a few tens of micro-amperes, and the divergence of such a beam is on the order of one degree. A numerical modelling of the ion source is eventually conducted in order to identify potential optimizations of the concept
Papka, Paul. "Etude de la désexcitation par particules légères chargées du noyau 44Ti." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. http://www.theses.fr/2003STR13239.
Full textCrestetto, Anaïs. "Optimisation de méthodes numériques pour la physique des plasmas : application aux faisceaux de particules chargées." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00735569.
Full textDhen, Mikaël. "Muon to electron conversion, flavored leptogenesis and asymmetric dark matter in minimal extensions of the Standard Model." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/217745.
Full textOption Physique du Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Poquet, Christophe. "MODÈLES STOCHASTIQUES INTERAGISSANTS : SYNCHRONISATION ET RÉDUCTION À UN SYSTÈME DE PHASES." Phd thesis, Université Paris-Diderot - Paris VII, 2013. http://tel.archives-ouvertes.fr/tel-00966053.
Full textBooks on the topic "Particules (physique) – Modèles mathématiques"
Vandenberg, A. Modèle physique de l'infiltration, du drainage et du ruissellement dans des sols à couches multiples. [s.l: s.n.], 1989.
Find full textPeyrard, Michel. Physique des solitons. Les Ulis: EDP Sciences, 2004.
Find full textAn introduction to particle physics and the standard model. Boca Raton: Taylor & Francis, 2010.
Find full textDanail, Bonchev, and Rouvray D. H, eds. Complexity in chemistry: Introduction and fundamentals. London: Taylor & Francis, 2003.
Find full textN, Shirer Hampton, ed. Nonlinear hydrodynamic modeling: A mathematical introduction. Berlin: Springer-Verlag, 1987.
Find full textM, Furati K., Nashed M. Zuhair, and Siddiqi A. H, eds. Mathematical models and methods for real world systems. Boca Raton: Chapman & Hall/CRC, 2006.
Find full textComputational methods in plasma physics. Boca Raton, FL: CRC Press/Taylor & Francis, 2010.
Find full textRadcliffe, David Elliott. Soil physics with HYDRUS: Modeling and applications. Boca Raton: Taylor & Francis, 2010.
Find full textStatistical and thermal physics: An introduction. Boca Raton, FL: Taylor & Francis, 2011.
Find full textParticulate discrete element modelling: A geomechanics perspective. London: Spon Press/Taylor & Francis, 2011.
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