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Auswahl der wissenschaftlichen Literatur zum Thema „Traces numériques – Modèles mathématiques“
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Zeitschriftenartikel zum Thema "Traces numériques – Modèles mathématiques"
Es-Sette, Btissame, Youssef Ajdor, Fatiha Zidane, Abdelbassit Fakhraddine und Ali Foutlane. „Évolution des métaux traces dans les eaux de l'oued Sebou en période humide — Approche par modélisation mathématique“. Water Quality Research Journal 40, Nr. 2 (01.05.2005): 222–32. http://dx.doi.org/10.2166/wqrj.2005.025.
Der volle Inhalt der QuelleDupont, J., J. Smitz, A. N. Rousseau, A. Mailhot und G. Gangbazo. „Utilisation des outils numériques d'aide à la décision pour la gestion de l'eau“. Revue des sciences de l'eau 11 (12.04.2005): 5–18. http://dx.doi.org/10.7202/705326ar.
Der volle Inhalt der QuelleChibryakov, Yaroslav. „The Scientific Revolution in Cartography (the 1950s and the 1960s): Its Origins and Consequences“. Cartographica: The International Journal for Geographic Information and Geovisualization 56, Nr. 3 (29.09.2021): 226–35. http://dx.doi.org/10.3138/cart-2020-0014.
Der volle Inhalt der QuelleAjiferuke, Isola, Dietmar Wolfram und Hong (Iris) Xie. „Modelling Website Visitation and Resource Usage Characteristics by IP Address Data“. Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l'ACSI, 02.10.2013. http://dx.doi.org/10.29173/cais315.
Der volle Inhalt der QuelleAbboud, Maha. „Mathematics teachers in the time of digital technologies: a theoretical framework adapting the double approach to study their activity“. Recherches en Didactique des Mathématiques Synthesis and perspectives in... (16.05.2024). http://dx.doi.org/10.46298/rdm.12910.
Der volle Inhalt der QuelleDissertationen zum Thema "Traces numériques – Modèles mathématiques"
Guery, Maxime. „Cartographie d’écosystèmes d’affaires liés à l’industrie 4.0 dans le Grand Est à partir de la structure relationnelle issue des traces numériques“. Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS013.
Der volle Inhalt der QuelleThe concept of the business ecosystem, introduced by James Moore from 1993, and Industry 4.0, which emerged in Germany in 2011, together form a phenomenon that has not yet been fully explored. These ecosystems are multidimensional, as heterogeneous elements connect to form complex sets that are difficult to analyze, and we have not identified any tools for studying them without an a priori model. To overcome this gap, we propose a modeling and analysis method using digital traces of the phenomenon to generate a simplicial complex. This method mainly uses Atkin's Q-analysis, which we have modernized by developing a graph version of the Q-analysis algorithm and pushing back the limits we have identified. The whole process is automated within the Hype calculation application. The main advantage of Q-analysis is its ability to calculate similarity between heterogeneous elements, with respect to dimensions that differ from one another, and without knowing the model of the phenomenon. We use Q-analysis to obtain business ecosystems candidates related to Industry 4.0 in the Grand Est region whose final objective is to help analysts understand how an ecosystem emerges or disappears, and thus facilitate their creation around specific topics. Thanks to a database that we have built up from the digital data, we have obtained encouraging preliminary results despite the poor quality of the dataset. We believe that by improving the quality of the data with richer dimensions, we will obtain even more convincing results
Dridi, Lotfi. „Transfert d'un mélange de solvants chlorés en aquifère poreux hétérogène : Expérimentations sur site contrôlé et simulations numériques“. Université Louis Pasteur (Strasbourg) (1971-2008), 2006. https://publication-theses.unistra.fr/public/theses_doctorat/2006/DRIDI_Lotfi_2006.pdf.
Der volle Inhalt der QuelleThree large-scale experiments were conducted on the experimental set-up SCERES. The multiphase multicomponent code SIMUSCOPP was used in order to simulate migration and transport of the mixture of TCE/PCE. The Partitioning Interwell Tracer Test carried out on SCERES presented limits as for its application on real site. In addition, numerical studies based on the inversion of concentration data showed that is possible to determine a pollutant distribution in a vertical plane from dissolved concentrations profiles in the case of a mono constituent source in homogeneous porous media. Quantification of the influence of a low permeable layer placed at the upper boundary of SCERES on the transfer of a TCE and PCE mixture revealed that even in the presence of a perched capillary water zone, the vapor fluxes towards the atmosphere is significant. Moreover, by using a 1-D numerical approach, it was shown that the error made in the estimation of the vapor fluxes towards the atmosphere by indirect approach increases when the water content varies significantly in the unsaturated zone. The numerical simulations carried out showed that SIMUSCOPP over-estimates the transfer of the vapor towards the aqueous phase and is not very sensitive to the type of injection used in the simulation. In the presence of local heterogeneities, the distribution of the source area is more complex and non uniform. In addition, it is shown that in the presence of a high water content in the unsaturated zone, the assumption of instantaneous equilibrium between the gaseous and aqueous phases is not valid. Moreover, by comparing the equilibrium dissolved concentrations of TCE and PCE, we could highlight the phenomenon of dissolution kinetics at the macroscopic scale
Canellas, Camila. „Métamodèle d'analytique des apprentissages avec le numérique“. Electronic Thesis or Diss., Sorbonne université, 2021. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2021SORUS538.pdf.
Der volle Inhalt der QuelleThis work is part of a process of implementing a learning analytics process in a context where documentary production is carried out via an engineering approach driven by models. We are mainly interested in the possibilities that could emerge if the same approach is used in order to achieve such an implementation. Our problematic concerns the identification of these possibilities, in particular by ensuring to allow, via the proposed metamodel, the enrichment of learning indicators with the semantics and the structure of the educational documents consulted by the learners, as well as an a priori definition of relevant indicators. In order to design the metamodel in question, we first carried out an exploratory study with learners, aimed at knowing their needs and the reception of enriched indicators. On the other hand, we carried out a systematic review of the literature of existing interaction indicators in the field of learning analytics in order to gather the potential elements to be abstracted for the construction of the corresponding metamodel. The challenge was to design a metamodel where the elements necessary for the abstraction of this domain are present without being unnecessarily complex, making it possible to model both learning indicators based on a descriptive analysis and those used for a prediction or a diagnosis. We then proceeded to a proof of concept and an evaluation of this metamodel
Dzonou, Nganjip Raoul. „Convergence de schémas numériques pour des problèmes d'impact“. Saint-Etienne, 2007. http://www.theses.fr/2007STET4002.
Der volle Inhalt der QuelleThe dynamics of systems with a finite number of degrees of freedom and non trivial inertia matrix which are submitted to a single perfect unilateral constraint is studied. The local impact law consists in the transmission of the tangential component of the velocity and the reflexion of the normal component which is multiplied by the restitution coefficient e Є [0,1]. By adopting the measure-differential formulation of J. J. Moreau, a velocity-based time-stepping method is developed, reminiscent of the catching-up algorithm for sweeping processes. It is shown that the numerical solutions converge to a solution of the problem
Dumas, Laurent. „Méthodes mathématiques et numériques pour les modèles cinétiques“. Paris 7, 1995. http://www.theses.fr/1995PA077018.
Der volle Inhalt der QuelleYemmas, Rachida. „Simulations numériques des matériaux granulaires“. Montpellier 2, 1993. http://www.theses.fr/1993MON20197.
Der volle Inhalt der QuelleCarbonnell, Frédéric. „Étude de la prise en compte des effets instationnaires dans les simulations numériques (laminaire/turbulent)“. Toulouse, INPT, 1994. http://www.theses.fr/1994INPT110H.
Der volle Inhalt der QuelleBadsi, Mehdi. „Etude mathématiques et simulations numériques de modèles de gaines bi-cinétiques“. Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066178.
Der volle Inhalt der QuelleThis thesis focuses on the construction and the numerical simulation theoretical models of plasmas in interaction with an absorbing wall. These models are based on two species Vlasov-Poisson or Vlasov-Ampère systems in the presence of boundary conditions. The expected stationary solutions must verify the balance of the flux of charges in the orthogonal direction to the wall. This feature is called the ambipolarity.Through the study of a non linear Poisson equation, we prove the well-posedness of 1d-1v stationary Vlasov-Poisson system, for which we determine incoming particles distributions and a wall potential that induces the ambipolarity as well as a non negative charge density hold. We also give a quantitative estimates of the thickness of the boundary layer that develops at the wall. These results are illustrated numerically. We prove the linear stability of the electronic stationary solution for a non-stationary Vlasov-Ampère system. Finally, we study a 1d-3v stationary Vlasov-Poisson system in the presence of a constant and parallel to the wall magnetic field . We determine incoming particles distributions and a wall potential so that the ambipolarity holds. We study a non linear Poisson equation through a non linear functional energy that admits minimizers. We established some bounds on the numerical parameters inside which, our model is relevant and we propose an interpretation of the results
Moreno, Roa Ramiro. „Simulations numériques vasculaires, spécifiques et réalistes“. Toulouse 3, 2007. http://thesesups.ups-tlse.fr/55/.
Der volle Inhalt der QuelleThis work is a response to the queries raised by interventional medicine concerning the taking in charge of the wall's pathologies (aneurysm, dissection, coarctation, atherosclerosis). Indeed, clinicians are currently looking forward for a sufficiently robust and intuitive tool to forecast the consequences of therapeutic interventions. A numerical approach, in particular, Computational Fluid Dynamics (CFD), can answer to the interrogations put forward by biomechanical functional imaging, provided it is integrated to both clinical routine and to technological development. The originality of this work is focused on the way how the position of the wall is set in the discrete field. The hemodynamic simulations carried out up to now can hardly describe the behaviour for the arterial wall. We propose to choose a non-coupled, fluid / structure model, which will impose at each time step of the CFD code, the position of the wall based on the dynamic medical imaging. A new MRI protocol is at the heart of the conditions imposed to the numerical calculations. The validation of this concept is averred through some in-vitro and in-vivo applications. A clinical study enabled to realise the feasibility in the case of patients having an Aortic Stent-Graft control. This research project intends to drive modern medicine towards a better knowledge of vascular pathologies and innovative technical means to handle them
Amara, Mounir. „Segmentation de tracés manuscrits. Application à l'extraction de primitives“. Rouen, 1998. http://www.theses.fr/1998ROUES001.
Der volle Inhalt der QuelleBücher zum Thema "Traces numériques – Modèles mathématiques"
Yuhai, Mao, und Institution of Electrical Engineers, Hrsg. Weibull radar clutter. London, UK: P. Peregrinus Ltd. on behalf of the Institution of Electrical Engineers, 1990.
Den vollen Inhalt der Quelle findenSuárez, Arriaga M. C., Dominguez-Mota F. J und Bundschuh J, Hrsg. Numerical modeling of coupled phenomena in science and engineering: Practical uses and examples. Boca Raton, FL: Taylor & Francis, 2008.
Den vollen Inhalt der Quelle findenKatsaggelos, Aggelos Konstantinos. Super resolution of images and video. San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA): Morgan & Claypool Publishers, 2007.
Den vollen Inhalt der Quelle findenLi, S. Z. Markov random field modeling in image analysis. 3. Aufl. London: Springer, 2009.
Den vollen Inhalt der Quelle findenDuffy, Daniel J. Finite Difference Methods in Financial Engineering. New York: John Wiley & Sons, Ltd., 2006.
Den vollen Inhalt der Quelle findenAlder, Berni. Atomic and Molecular Scattering. Elsevier Science & Technology Books, 2012.
Den vollen Inhalt der Quelle findenImage processing and mathematical morphology fundamentals and applications. Boca Raton: Taylor & Francis, 2009.
Den vollen Inhalt der Quelle findenSingh, Harendra. Advanced Numerical Methods for Differential Equations. Taylor & Francis Group, 2021.
Den vollen Inhalt der Quelle findenKumar, Devendra, Jagdev Singh, Sunil Dutt Purohit und Harendra Singh. Advanced Numerical Methods for Differential Equations: Applications in Science and Engineering. Taylor & Francis Group, 2021.
Den vollen Inhalt der Quelle findenHeat and Mass Transfer in Buildings. Taylor & Francis, 2007.
Den vollen Inhalt der Quelle findenBuchteile zum Thema "Traces numériques – Modèles mathématiques"
SIGRIST, Jean-François. „Méthodes « basses fréquences » en vibroacoustique des navires“. In Interactions fluide-structure, 39–59. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9078.ch2.
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