Academic literature on the topic 'Régime propagatif'
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Journal articles on the topic "Régime propagatif":
Mnasri, Aida, and Ezzeddine Hadj Taieb. "Simulation numérique par éléments finis des écoulements transitoires à surface libre." La Houille Blanche, no. 5-6 (December 2019): 81–92. http://dx.doi.org/10.1051/lhb/2019032.
Hachimi Alaoui, M. El-Hassan, and Imane Saad-Allah. "Effet de l’Ancrage des Anticipations d’Inflation Sous le Régime Intérimaire du Taux de Change au Maroc." European Scientific Journal, ESJ 19, no. 34 (December 31, 2023): 70. http://dx.doi.org/10.19044/esj.2023.v19n34p70.
Lavéant, Katell. "Une scène incontrôlable ? L’encadrement juridique des pratiques théâtrales à Lille et dans sa région à l’époque de la Réforme." Tangence, no. 104 (August 21, 2014): 11–26. http://dx.doi.org/10.7202/1026238ar.
CUMMINGS, LINDA M., YURI E. HOHLOV, SAM D. HOWISON, and KONSTANTIN KORNEV. "Two-dimensional solidification and melting in potential flows." Journal of Fluid Mechanics 378 (January 10, 1999): 1–18. http://dx.doi.org/10.1017/s0022112098003188.
Figeac, Michel. "Les théâtres à Bordeaux sous la révolution: les luttes politiques sur la scène." Romanica Wratislaviensia 67 (July 23, 2020): 91–106. http://dx.doi.org/10.19195/0557-2665.67.7.
Marras, Simone, and Kyle T. Mandli. "Modeling and Simulation of Tsunami Impact: A Short Review of Recent Advances and Future Challenges." Geosciences 11, no. 1 (December 24, 2020): 5. http://dx.doi.org/10.3390/geosciences11010005.
A. T., Orbugh, Adeyeye E. A., Lala A. O., Durojaye O. J., Ogunleye J. B., Sogunle O. M., and Oso A. O. "Effect of organic acid blend on the growth performance, apparent nutrient digestibility and blood indices of growing turkeys." Nigerian Journal of Animal Production 50, no. 2 (February 28, 2024): 1–15. http://dx.doi.org/10.51791/njap.v50i2.3956.
Lee, B. H. K. "Transonic buffet on a supercritical aerofoil." Aeronautical Journal 94, no. 935 (May 1990): 143–52. http://dx.doi.org/10.1017/s0001924000022752.
Grojo, David. "L’émergence de procédés d’écriture laser 3D dans les technologies silicium." Photoniques, no. 112 (2022): 37–42. http://dx.doi.org/10.1051/photon/202211237.
Cassella, Sarah. "La responsabilité des États et des organisations internationales du fait de la pandémie de Covid-19." Annuaire français de droit international 66, no. 1 (2020): 51–70. http://dx.doi.org/10.3406/afdi.2020.5444.
Dissertations / Theses on the topic "Régime propagatif":
Lalloz, Samy. "De la diffusion à la propagation d'ondes en magnétohydrodynamique bas-Rm : études théorique et expérimentale." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALI020.
The thesis aims to clarify the conditions for Alfvén waves to propagate in a closed liquid metal domain. A first part of the research work presented is dedicated to a linear study of Alfvén waves in the low-Rm approximation and under the inertia-less limit. The second part is the experimental investigation of an electrically-induced oscillating flow subjected to an axial, static and uniform magnetic field and confined between two electrically insulating and no-slip horizontal walls.The theoretical study is itself split into two sub-parts. The first one aims to discuss the dispersion relation which contains the Alfvén wave dynamics. It presents the consequences of (mechanical and magnetic) gradients perpendicular to the imposed magnetic field. As such transverse gradients tend to impede the wave propagation. In the second sub-part an axisymmetric vortex confined between to electrically insulated and no-slip horizontal walls is magnetically forced at a given frequency. This forcing is radially dependent so as to study the impact of transverse gradients on the flow dynamics. A semi-analytical investigation of the flow dynamics is again carried out in the low-Rm approximation and under the inertia-less limit. This investigation is performed by varying the forcing frequency and the magnetic field intensity. This brings to emphasize two very distinct regimes for the oscillating vortex:- an oscillating-diffusive regime governed by the competition between pseudo-diffusive effects of the Lorentz force and the unsteady term of the momentum- a truly propagative regime, obtained for higher forcing frequencies, found definitelygoverned by Alfvén waves.The study also highlights how the propagative regime can be affected by transverse gradients. In addition to over-damping the waves, transverse gradients are found to modify the natural frequencies for which wave resonance peaks result from the superimposition of incident and reflected waves in the container.Beside this theoretical work, a setup has been designed in order to experimentally investigate the dynamics of oscillating flows under a strong magnetic field (up to 10T). A flow was forced in a cuboid vessel 15 cm x 15 cm x 10 cm by means of AC currents injected through a cartesian grid of four electrodes located at the bottom plate. Using instrumentation based on the measurement of local electric potential differences at the top and bottom horizontal (Hartmann) plates, we validate model's prediction. More precisely, a propagative dynamics in the presence of transverse gradients is recovered. The oscillating-diffusive regime is also recovered from experiments performed at small enough forcing frequency.In addition to results obtained at the forcing frequency, a first insight of signals obtained at other frequencies is shown. Frequency peaks obtained, eg the harmonics of the forcing frequency, are demonstrated not to be explained by a linear approach. We suggest that Alfvén wave non-linear interactions are a good candidate to explain these peaks. A preliminary study further shows that peaks at the first harmonic are likely to be Alfvén waves
Elaloufi, Rachid. "Propagation du rayonnement en milieu diffusant : étude de la transition entre régime balistique et régime diffusif et des fluctuations temporelles d'intensité." Châtenay-Malabry, Ecole centrale de Paris, 2003. http://www.theses.fr/2003ECAP0890.
Leconte, Marc. "Propagation de front de réaction sous écoulement." Paris 7, 2004. http://www.theses.fr/2004PA077113.
Hiez, Brigitte. "Propagation en régime ductile de fissures amorcées dans des conditions de chargement hors normes." Paris 6, 1986. http://www.theses.fr/1986PA066509.
Berriri, Kamel. "Approche analytique et numérique pour l'aéroacoustique en régime transitoire par le modèle de Galbrun." Phd thesis, Paris 9, 2006. http://pastel.archives-ouvertes.fr/pastel-00002485.
Mesgouez, Arnaud. "Etude numérique de la propagation des ondes mécaniques dans un milieu poreux en régime impulsionnel." Phd thesis, Université d'Avignon, 2005. http://tel.archives-ouvertes.fr/tel-00110663.
Une approche par éléments finis est proposée dans le cadre de la théorie générale de Biot. Les caractéristiques de l'outil numérique développé sont précisées. En particulier, la structure orientée objet donne un code compact et souple. Un travail
semi-analytique, préalablement effectué, s'intéresse aux phénomènes de dispersion, d'atténuation et à la détermination des vitesses de propagation des différentes ondes.
Une modélisation bidimensionnelle permet d'obtenir les déplacements temporels des phases solide et fluide en surface et en profondeur d'un sol poreux semi-infini. Une étude paramétrique des couplages mécaniques est effectuée. La seconde onde de compression est mise en évidence. Une première approche de sols hétérogènes ou partiellement saturés est en outre proposée.
L'étude de problèmes tridimensionnels est ensuite envisagée. La taille numérique importante de cette problématique nécessite alors la parallélisation du code de calcul. Des essais sur différents supercalculateurs sont réalisés pour mesurer la performance du
calcul parallèle et conduisent à des résultats tridimensionnels.
Foulon, Michel-François. "Métamatériaux térahertz en régime linéaire et non linéaire." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10121/document.
Artificial materials so called «metamaterials» are studied theoretically and characterized at few hundred of GigaHetrz frequencies. Frequencial and temporal (electro-optic) methods are used to prove their left handed behaviour. For this study, two approaches have been considered : - the first one is based on the fabrication of micro-resonators and metallic wires arrays aiming at operating at 100 GHz. An experimental evidence of a left handed dispersion branch is then made from vectorial analysis. - the second approach takes profit of phase advance effects that can be obtained from a transmission line periodically loaded with a series capacitance and a parallel inductance. The specificity of this study is a coherent time domain approach that allows us to directly visualize a phase advance and the corresponding left handed behaviour. Those results are confirmed by the calculations of Fourier transforms up to 1 TeraHertz. Non linear properties of those circuits are then studied by introducing a non linearity by the mean of a Heterostructure Barrier Varactor component. The extension of this study to the non linear regime is treated via the dynamic characterization of this component. Finally, two types of non linear regimes are studied for a left handed transmission line loaded with HBV diodes with respectively harmonic generation and parametric amplification
Fauqueux, Sandrine. "Eléments finis mixtes spectraux et couches absorbantes parfaitement adaptées pour la propagation d'ondes élastiques en régime transitoire." Phd thesis, Paris 9, 2003. http://tel.archives-ouvertes.fr/tel-00007445.
Ayrault, Christophe. "Influence de la pression statique sur la caractérisation ultrasonore de matériaux poreux : étude du régime de faible diffusion." Le Mans, 1999. http://www.theses.fr/1999LEMAA005.
Hashmi, Faheel. "Effets de propagation dans des systèmes atomiques en régime d'impulsions longues et courtes: Contrôle de la réponse optique." Phd thesis, Université Paul Sabatier - Toulouse III, 2009. http://tel.archives-ouvertes.fr/tel-00361143.
Books on the topic "Régime propagatif":
Oeuvre de la propagation de la foi., ed. Circulaire: Bureau du Conseil de régie de l'Association de la propagation de la foi : j'ai l'honneur de vous addresser quelques exemplaires .. [S.l: s.n., 1986.
Église catholique. Diocèse de Québec. Évêque (1833-1844 : Signay), ed. Circulaire: Nous vous adressons quelques copies du premier rapport du Conseil de régie de l'Association de la propagation de la foi, pour l'information de vos paroissiens .. [S.l: s.n., 1985.
Alihodzic, Sead, Maurice Mboula Jean-Claude Didier Enguélégué, and Idayat Hassan. Gestion des risques électoraux dans la région du G5 Sahel : Guide sur les facteurs internes. International Institute for Democracy and Electoral Assistance (International IDEA), 2020. http://dx.doi.org/10.31752/idea.2020.58.
Book chapters on the topic "Régime propagatif":
Diaz-Andreu, Margarita. "Archaeology and the Liberal Revolutions (c. 1820–1860): Nation, Race, and Language in the Study of Europe’s Past." In A World History of Nineteenth-Century Archaeology. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199217175.003.0021.
Vital, David. "Questions from Without and Within." In A People Apart, 166–282. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198219804.003.0004.
Conference papers on the topic "Régime propagatif":
Pierrat, Lambert, and Eric Georgin. "Approche probabiliste pour la propagation d'incertitudes à travers un modèle de constante de temps thermique en régimes de convection naturelle et forcée." In 16th International Congress of Metrology. Les Ulis, France: EDP Sciences, 2013. http://dx.doi.org/10.1051/metrology/201315012.
Reports on the topic "Régime propagatif":
Hrynick, Tabitha, and Megan Schmidt-Sane. Note d’Orientation sur l’Engagement Communautaire Concernant la Riposte Contre la Flambée Epidémique de Choléra dans la Région Afrique de l’Est et Australe. Institute of Development Studies, May 2023. http://dx.doi.org/10.19088/sshap.2023.008.