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Academic literature on the topic 'Stratégie navale – Modèles mathématiques'
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Dissertations / Theses on the topic "Stratégie navale – Modèles mathématiques"
Cinq-Mars, Patrick. "Apprentissage d'une politique de gestion de ressources en temps réel : Application au combat maritime." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/26648/26648.pdf.
Full textQiang, Shijia. "Stratégie de localisation et identification d'objet à partir de quelques mesures tridimensionnelles." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10443.
Full textCarrillo, Le Roux Galo. "Stratégie d'identification de modèles algébro-différentiels. Application aux systèmes réactionnels complexes." Toulouse, INPT, 1995. http://www.theses.fr/1995INPT010G.
Full textSigrist, Jean-François. "Modélisation et simulation numérique d'un problème couplé fluide/structure non linéaire : application au dimensionnement de structures nucléaires de propulsion navale." Nantes, 2004. http://www.theses.fr/2004NANT2088.
Full textGeffroy, Anne-Gaëlle. "Modélisation numérique de la rupture de structures navales sous l'effet d'explosion au contact." Lorient, 2010. http://www.theses.fr/2010LORIS209.
Full textIn the context of military vulnerability of ships and submarines, this work, supported by a DCNS-LIMATB CIFRE, deals with the numerical prediction of the response of ship structures submitted to contact explosion. The ship structure constitutive material at stake is ferritic-pearlitic, mild steel. In order to study the coupling effects of stress triaxiality, strain, strain rate and temperature, an important experimental campaign was carried out, including laboratory mechanical tests as well as air blast tests. The microstructural observations of post-mortem samples and plates revealed the co-existence of two different mechanisms of ductile damage: cavity growth and micro-cracking. In agreement with the experimental results and the micrographic observations, an advanced elastic-thermo/viscoplastic model was built and a more complete, original formalism is proposed through a multi-surface and multi-mechanism model, describing notably the delaying effects of strain rate and temperature on the damage kinetics and the consequences of both damage mechanisms, namely isotropic (cavity growth) and anisotropic (microcracking). Models were finally implemented as user materials in the engineering finite element computation code ABAQUS. Several configurations of air blast tests were simulated using the card CONWEP of ABAQUS, devoted to reproduce the fluid/structure interaction during the process of explosion and which limits were shown. The numerical results are encouraging and some improvements are suggested
Colobert, Briac. "Relation entre stratégie posturale et stratégie de soulever de charge chez la personne âgée." Rennes 2, 2006. http://www.theses.fr/2006REN20029.
Full textThis work presents severals new contributions in modelisation and in the field of physical activity in the elderly. Force and equilibrium are both involved in posture and lifting. It is possible to employ index of strategies which allow to quantify those activities, in order to evaluate the possible relation between lifting and posture. To make postural evaluation easier and to evaluate load lifting, we describe two new models based on inverse geometric augmented body. The first model is able to measure ankle and hip movement and the secund model is able to identify the strategy employed during lifting. Each model only requires force plate measurements. The last part of this thesis focus on the study of the level of physical activity in elderly and its consequences on equilibrium and force. We find a relation between postural strategy and lifting strategy in elderly with a physical activity between 2-4 hours per week. Performances of the equilibrium system and those of the motor system are perhaps involved in a different level in the choice of postural strategy and lifting strategy. Our results underline the fact that even a low level of physical activity positively influences daily activities of elderly
Mbih, Boniface. "Essai sur la manipulation des procédures de choix collectif." Caen, 1987. http://www.theses.fr/1987CAEN0509.
Full textOne important problem relating to preference aggregation is the possibility of strategic behaviour. The fundamental result obtained in the early seventies by Gibbard and Satterthwaite establishes that any non dictatorial collective choice procedure selecting a unique outcome is subject to individual manipulation. This result relies on the concept of nash equilibrium. In this work other equilibrium concepts are studied, e. G. The admissible-strategy equilibrium concept (which is more realistic in the context of noncooperative games) and a combination of the concepts of exact equilibrium and nash admissible equilibrium ; results similar to Gibbard-Satterthwaite's are obtained. Evaluation of the proportions of strategic voting opportunities is then explored, for a specific procedure, the plurality rule. For several concepts of equilibrium formulas allowing to obtain exact values with respect to the number of individuals in the society are provided. This is done both in the cases of noncooperative and cooperative games
Mathurin, Joël. "Applications de la théorie des jeux coopératifs à l'analyse économique de la coopération internationale : illustrations par l'étude du cas de la politique agricole commune." Toulouse 1, 1997. http://www.theses.fr/1997TOU10081.
Full textZiad, Abderrahmane. "Contributions à la théorie des jeux et à ses applications économiques." Caen, 1997. http://www.theses.fr/1997CAEN0570.
Full textThe first part of the thesis concerns game theory we prove the existence of nash equilibrium in pure strategies when the payoff functions are semi-continuous and satisfy strong quasi-concavity. The second part we prove a new condition for nash implementing a correspondance of social choice this condition is stronger than maskin monotonicity but it is a necessary condition
Ben, Chaabane Mohamed Fadhel. "Intensification de la production d'éthanol biocarburant dans un bioréacteur bi-étagé avec recyclage cellulaire : modélisation et stratégie de conduite." Toulouse, INSA, 2006. http://www.theses.fr/2006ISAT0007.
Full textThis study aims to intensify the ethanol production with Saccharomyces cerevisiae in a continuous Two-stage Bioreactor with Cell Recycle (TBRC). For this purpose, the bioreactor process and the dynamic behaviour of the yeast were modelled, based on the mass balance and kinetic equations by distinguishing total and viable biomass. It takes into account the yeast physiological states which differ with the environment in the two stages. The TBRC aims to use optimally the yeast potentialities ; it combines the decoupling of growth and ethanol production in two different compartments, the gain of high cell density and the management of the cellular activity by the biomass recycling between the two stages. Cultures allowed the quantification of the yeast behaviour in each stage, in transient and steady states, for various operating conditions. Confrontation between theory and experiment is very satisfactory. The numerical analysis of the operational parameters influence on the TBRC performances and the yeast dynamic behaviour in the two stages are presented. Using the model as a predictive tool, we validated the relevance of the TBRC for the ethanol production intensification, in steady-state continuous mode, up to an ethanol productivity of 40 g. L-1. H-1, an ethanol title of 8,3 °GL and a null residual substrate concentration
Books on the topic "Stratégie navale – Modèles mathématiques"
Legros, Georges. Stratégie financière des groupes: Cours et études de cas corrigées. Paris: Ellipses, 2006.
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