Letteratura scientifica selezionata sul tema "Solution dépendant du temps"
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Articoli di riviste sul tema "Solution dépendant du temps"
Margoum, C., V. Gouy, B. Laillet e G. Dramais. "Rétention des produits phytosanitaires dans les fossés de connexion parcelle-cours d'eau". Revue des sciences de l'eau 16, n. 4 (12 aprile 2005): 389–405. http://dx.doi.org/10.7202/705514ar.
Testo completoSchlumpf, J. P., D. Trebouet, F. Quemeneur, J. P. Maleriat e P. Jaouen. "Réduction de la DCO dure des lisiers de porc et lixiviats par nanofiltration". Revue des sciences de l'eau 14, n. 2 (12 aprile 2005): 147–55. http://dx.doi.org/10.7202/705414ar.
Testo completoCraig, Béatrice. "Solder les comptes : les sources de crédits dans les magasins généraux ruraux de l’est canadien au milieu du XIXe siècle". Journal of the Canadian Historical Association 13, n. 1 (9 febbraio 2006): 23–47. http://dx.doi.org/10.7202/031152ar.
Testo completoBagdonavičius, Vilijandas, e Mikhail Nikulin. "Modèle statistique de dégradation avec des covariables dépendant du temps". Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 330, n. 2 (gennaio 2000): 131–34. http://dx.doi.org/10.1016/s0764-4442(00)00107-5.
Testo completoSoret, Émilie, e Stephan De Bièvre. "Particule à haute énergie dans un potentiel aléatoire dépendant du temps". Comptes Rendus Mathematique 352, n. 7-8 (luglio 2014): 645–49. http://dx.doi.org/10.1016/j.crma.2014.06.002.
Testo completoChukwu, Uzoma. "Dépouillement de corpus à des fins terminologiques dans un univers dépendant du temps". Meta 43, n. 3 (2 ottobre 2002): 411–25. http://dx.doi.org/10.7202/002243ar.
Testo completoBenchaou, Mohammed. "Estimations de diffusion pour un opérateur de Klein-Gordon matriciel dépendant du temps". Bulletin de la Société mathématique de France 126, n. 2 (1998): 273–94. http://dx.doi.org/10.24033/bsmf.2327.
Testo completoHasnaoui, M., S. Souissi, J. Kassila, M. Droussi e M. Loudiki. "Variabilité des descripteurs physiques, chimiques et phytoplanctonique dans des étangs d'alevinage (station de la Deroua, Béni-Mellal, Maroc)". Revue des sciences de l'eau 15, n. 1 (12 aprile 2005): 359–69. http://dx.doi.org/10.7202/705459ar.
Testo completoBruyer, Raymond. "L'hémisphère cérébral gauche est-il chez l'homme davantage dépendant du temps que le droit ?" L'année psychologique 86, n. 2 (1986): 247–59. http://dx.doi.org/10.3406/psy.1986.29143.
Testo completoPédeboscq, S., B. Dubau, S. Frappier, V. Hernandez, D. Veyssières, S. Winnock e J. P. Pometan. "Comparaison de deux schémas d'administration (continu ou discontinu) d'un antibiotique temps-dépendant : la Tazocilline". Pathologie Biologie 49, n. 7 (gennaio 2001): 540–47. http://dx.doi.org/10.1016/s0369-8114(01)00210-3.
Testo completoTesi sul tema "Solution dépendant du temps"
Zhang, Qidi. "Existence en temps grand et croissance des normes Sobolev pour des solutions d'équations de Klein-Gordon semi-linéaires et de Schrödinger linéaires sur certaines variétés". Phd thesis, Université Paris-Nord - Paris XIII, 2010. http://tel.archives-ouvertes.fr/tel-00566524.
Testo completoHawchar, Lara. "Développement de méthodes fiabilistes dépendant du temps pour l'analyse de durabilité des structures : application au problème de conception fiabiliste dépendant du temps". Thesis, Nantes, 2017. http://www.theses.fr/2017NANT4088/document.
Testo completoUncertainty quantification is essential for designing reliable structures. Moreover, monitoring the aging process is of vital importance for the inspection and prevention of risks. These two aspects may be considered simultaneously throughout a time-variant reliability analysis. However, such analysis is in general complex and very time consuming because it requires numerous evaluations of the mechanical model describing the structural behavior. To overcome this issue, we propose to use the metamodeling approach that has been widely explored in the context of the probabilistic analysis, for time-variant reliability problems. This consists in replacing the mechanical model with a simple analytical function that is easy to evaluate and on which Monte-Carlo simulation can be performed at a low computational cost. Other challenges also encounter this analysis and are basically related to the high dimensionality of the problem, the non Gaussianity and non stationarity of the input stochastic processes and the non linearity of the limit state function. The thesis aims then to develop accurate and efficient approaches for time-variant reliability analysis that overcome the aforementioned difficulties. It also proposes to extend these methods to the field of time-variant reliability-based design optimization
Baras, Florence. "Fluctuations de non-équilibre: propriétés asymptotiques et phénomènes dépendant du temps". Doctoral thesis, Universite Libre de Bruxelles, 1985. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213628.
Testo completoBenarous, Mohamed. "Extensions variationnelles de la méthode du champ moyen dépendant du temps". Paris 11, 1991. http://www.theses.fr/1991PA112246.
Testo completoUsing the Balian-Vénéroni variational principle, we propose two consistent extensions of the time-dependent mean-field theory for many-boson systems. A first approximation, devised to take into account the effect of correlations, is obtained by means of a development of the optimal density operator suggested by the maximum entropy principle around a gaussian operator. We discuss the relevance of the evolution equations and their possible generalizations. We present an application to a one-dimensional example. In a second type of approximation, to optimize the prediction of characteristic functions of one-body observables and of transition probabilities, we select for both, the variational observable and the density matrix, the class of exponential operators of quadratic forms. We obtain coupled evolution equations of an unusual kind called "two-point boundary value problem". To solve them, we construct a suitable numerical algorithm. A test of the method is presented on two examples in one dimension. In a first case, we study the collision of a particle against a gaussian barrier. The method improves significantly mean-field predictions relative to reflexion and transmission ratios. The study of the motion of a particle in a quartic well reveals the existence of several different solutions for the transition probabilities predicted by the Balian-Veneroni method
Couchoud, Nicolas. "D-branes et orientifolds dans des espaces courbes ou dépendant du temps". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2004. http://tel.archives-ouvertes.fr/tel-00008263.
Testo completoD-branes et éventuellement d'orientifolds dans des espaces courbes ou dépendants du temps. Notre étude vise à comprendre certains aspects des espaces courbes et dépendant du temps, notamment à cause de leur importance en cosmologie.
Le premier chapitre introduit quelques bases de la théorie des cordes.
Le deuxième chapitre étudie les cordes non orientées sur les groupes compacts SU(2) et SO(3) : après un rappel des résultats connus sur les D-branes dans ces espaces, nous présentons nos résultats sur la position des orientifolds et leur interaction avec les cordes ouvertes et fermées.
Le troisième chapitre étudie les D-branes dans certains fonds de type Ramond-Ramond, en utilisant la S-dualité qui les relie à des fonds de type Neveu-Schwarz, où on sait faire les calculs.
Le dernier chapitre considère les cordes sur une D-brane parcourue par une onde plane, et introduit les outils y permettant l'étude des interactions.
Andrieu-Renaud, Céline. "Fiabilité mécanique des structures soumises à des phénomènes physiques dépendant du temps". Clermont-Ferrand 2, 2002. http://www.theses.fr/2002CLF21395.
Testo completoFahs, Amin. "Modeling of naturel convection in porous media : development of semi-analytical and spectral numerical solutions of heat transfer problem in special domains". Thesis, Strasbourg, 2021. https://publication-theses.unistra.fr/restreint/theses_doctorat/2021/Fahs_Amin_2021_ED269.pdf.
Testo completoThe problem of the porous square cavity is extensively used as a common benchmark case for Natural convection (NC) problem in porous media. It can be used for several numerical, theoretical, and practical purposes. All the existing high accurate solutions are developed under steady-state conditions. However, it is well known that the processes of NC in porous media occurs naturally in a time-dependent procedure, as boundary conditions can be variable in time. Also, the convergence of the steady-state solution is known to be difficult. To overcome this difficulty, the steady-state solution is often simulated as a transient solution that evolves until reaching the steady-state condition. These time-dependent modes are very efficient to detect the effects of the parameter variations on the physical process of NC, especially for the subject of interest in this thesis: the domain inclination level and hot wall temperature variation in time. For this purpose, three goals are identified in this Thesis: 1. Developing a time-dependent solution of natural convection in porous media using the Darcy model in two modes: Transient and unsteady. 2. Investigating the time-dependent behavior of natural convection in porous media having the domain inclination level as a variable parameter in two modes: Transient and unsteady. 3. Developing a time-dependent solution of natural convection in porous media using the Darcy-Lapwood-Brinkman model in two modes: Transient and unsteady. To do so, according to the high accuracy in the simply connected domains, one of the Galerkin spectral weighted residual method is chosen to develop a space-time dependent solution for NC problem in a square porous cavity. Applying the Fourier-Galerkin (FG) procedure, two configurations dealing with transient and unsteady regimes are considered where each solution is derived for a wide range of Rayleigh numbers with other special conditions. This work of thesis is explained in details as five chapters.The NC physical process with the time-dependent variations is described in the transient mode to reach the steady-state solution and for the unsteady mode during a one period using periodic sinusoidal boundary conditions on the cavity hot wall. Finally, the work of this thesis is described in details in five chapters; while the sixth and last chapter is devoted to the summary and conclusion.The results in this thesis work provide a set of high-accurate data that are published in three papers to be used for testing numerical codes of heat transfer in time-dependent configurations
Marsit, Nadhem. "Traitement des requêtes dépendant de la localisation avec des contraintes de temps réel". Toulouse 3, 2007. http://thesesups.ups-tlse.fr/106/.
Testo completoIn last years, the mobility of units achieved an increasing development. One of the direct consequences in the database field is the appearance of new types of queries such as Location Dependent Queries (LDQ) (e. G. An ambulance driver asks for the closest hospital). These queries raise problems which have been considered by several researches. Despite the intensive work related to this field, the different types of queries studied so far do not meet all the needs of location based applications. In fact these works don’t take into account the real time aspect required by certain location based applications. These new requirements generate new types of queries such as mobile queries with real time constraints. Taking into account mobility and real time constraints is an important problem to deal with. Hence, our main objective is to propose a solution for considering real time constraints while location dependent query processing. First, we propose a language for expressing different type of queries. Then, we design a software architecture allowing to process location dependent queries with real time constraints. The modules of this architecture are designed to be implemented on top of existent DBMS (e. G. Oracle). We propose methods to take into account location of mobile client and his displacement after sending the query. We also propose methods in order to maximise the percentage of queries respecting their deadlines. Finally we validate our proposal by implementing the proposed methods and evaluating their performance
Chauveau, Estelle. "Optimisation des routes maritimes : un système de résolution multicritère et dépendant du temps". Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0139/document.
Testo completoMaritime charter companies try to use weather forecast in order to optimize the journeys of their fleet. Let consider a boat transporting merchandise (or goods) from a port to another. Given the date and time of departure and trying to minimize fuel consumption, determining the best route to take is a difficult problem in the meaning of complexity theory. Moreover, the best route likely changes during the journey leading to an even more difficult problem. To tackle this type of issues, many routing software are available. However, to our knowledge, the state of the art still lacks of algorithms capable of efficiently solving the problem while considering multiple and sometime contradictory criteria.The aim of the this PhD thesis is to build a relevant modelling framework to solve this problem as well as to develop algorithms to be used and validated in industrial conditions.The first task undertaken was the development of a methodology to format raw data, mainly spatial and weather data, into usable input data for mathematical model. This first step was essential as it conditioned which algorithms could be used, and consequently their efficiency. We chose to model the problem as a graph that takes time into account.The second task was the development of a multi-objective and time dependent algorithm. This algorithm identifies pareto-optimum paths within the graph.A third work focused on processing the paths in order to optimize speed during the whole journey, and as a consequence, fuel consumption
Messud, Jérémie. "Théorie de la fonctionnelle de la densité dépendant du temps avec correction d'auto-interaction". Phd thesis, Université Paul Sabatier - Toulouse III, 2009. http://tel.archives-ouvertes.fr/tel-00559750.
Testo completoLibri sul tema "Solution dépendant du temps"
La "solution finale de la question juive": La technique, le temps et les catégories de la décision. Paris: Fayard, 2004.
Cerca il testo completoPierre, Cahuc, Granier Pierre e Antume Antoine d', a cura di. La réduction du temps de travail: Une solution pour l'emploi? : étude. Paris: Economica, 1997.
Cerca il testo completoCapitoli di libri sul tema "Solution dépendant du temps"
"XIII. MÉTHODES D’APPROXIMATION POUR LES PROBLÈMES DÉPENDANT DU TEMPS". In Mécanique Quantique - Tome 2, 1315–434. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2285-0-008.
Testo completo"XIII. MÉTHODES D’APPROXIMATION POUR LES PROBLÈMES DÉPENDANT DU TEMPS". In Mécanique Quantique - Tome 2, 1315–434. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2285-0.c008.
Testo completo"Complément DXV Équation de Gross-Pitaevskii dépendant du temps". In Mécanique quantique - Tome III, 73–94. EDP Sciences, 2017. http://dx.doi.org/10.1051/978-2-7598-2151-8.c007.
Testo completo"Complément FXV Fermions, approximation de Hartree-Fock dépendant du temps". In Mécanique quantique - Tome III, 119–28. EDP Sciences, 2017. http://dx.doi.org/10.1051/978-2-7598-2151-8.c009.
Testo completoNorrant, Caroline. "Chapitre 1. Les biocarburants : une solution « verte » au changement climatique ?" In Biocarburants, les temps changent !, 203–28. Presses universitaires du Septentrion, 2007. http://dx.doi.org/10.4000/books.septentrion.14957.
Testo completoRoy, Chantal. "Quand les syndicats font partie de la solution…". In De la conciliation emploi-famille à une politique des temps sociaux, 173–82. Presses de l'Université du Québec, 2005. http://dx.doi.org/10.2307/j.ctv18pgpp5.12.
Testo completoJenson, Jane. "Le travail à temps partiel pour les femmes : choix de qui, solution à quoi ?" In La place des femmes, 539–45. La Découverte, 1995. http://dx.doi.org/10.3917/dec.ephes.1995.01.0539.
Testo completoBalasse, Marie, Matthieu Keller, Adrian Balasescu, Anne Tresset e Philippe Chemineau. "Cycle de reproduction des ovins et rythme saisonnier de l’élevage : un schéma plurimillénaire bouleversé par la recherche agronomique". In Regards croisés: quand les sciences archéologiques rencontrent l'innovation, 25–50. Editions des archives contemporaines, 2017. http://dx.doi.org/10.17184/eac.3789.
Testo completoAtti di convegni sul tema "Solution dépendant du temps"
Ardillon, Emmanuel. "Fiabilité dépendant du temps : quelques considérations nouvelles pour en favoriser l’application". In Congrès Lambda Mu 20 de Maîtrise des Risques et de Sûreté de Fonctionnement, 11-13 Octobre 2016, Saint Malo, France. IMdR, 2016. http://dx.doi.org/10.4267/2042/61791.
Testo completoRomanet, I., J. H. Catherine, P. Laurent, R. Lan e E. Dubois. "Efficacité de l’ostéotomie interalvéolaire par piezocision : revue de la littérature". In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603010.
Testo completoHascoet, E., G. Valette, G. Le Toux e S. Boisramé. "Proposition d’un protocole de prise en charge implanto-portée de patients traités en oncologie tête et cou suite à une étude rétrospective au CHRU de Brest". In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602009.
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