Approche Formelle Et Operationnelle De La Multi Modelisation Et De La Simulation Des Systemes Complexes

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Approche formelle et opérationnelle de la multi-modélisation et de la simulation des systèmes complexes

Author : Gauthier Quesnel
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (494 download)

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Book Synopsis Approche formelle et opérationnelle de la multi-modélisation et de la simulation des systèmes complexes by : Gauthier Quesnel

Download or read book Approche formelle et opérationnelle de la multi-modélisation et de la simulation des systèmes complexes written by Gauthier Quesnel and published by . This book was released on 2006 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans le cadre de la recherche scientifique, nous assistons depuis quelques années à un essor de la multi-modélisation, c’est-à-dire, l’utilisation de la combinaison de différents formalismes pour l’étude des systèmes complexes où l’informatique se présente comme l’un des supports théoriques ou opérationnels pour son développement. La problématique étudiée dans cette thèse découle de ces travaux. Nous étudions, en particulier, le couplage de modèles hétérogènes en utilisant la spécification à événements discrets de B. P. Zeigler, DEVS, Discret EVent System specification. Nos travaux portent principalement sur les ajouts, à ce formalisme, d’outils aussi bien formels qu’opérationnels pour simplifier le couplage ou le développement de modèles. Nous étudions également la construction de plans d’expériences, le paramétrage de modèles et la distribution de simulation. De ces travaux, sont nées des collaborations avec des laboratoires de biologie où la nécessité de la création d’une spécification formelle des Systèmes Multi-Agents, principalement centré individu, est apparue. Nous proposons cette spécification en nous basant sur les travaux de J.C. Soulié et les environnements multiples et R. Duboz pour le comportement des agents. L’ensemble des objets manipulés par les SMA sont définis suivant une approche modulaire où chaque entité est spécialisée dans un domaine. Afin de mettre en œuvre tous les concepts étudiés dans cette thèse, une plate-forme logicielle VLE, Virtual Laboratory Environment, recouvrant tous les aspects de la multi-modélisation a été développée.

Approche formelle pour la modélisation et la simulation à évènements discrets de systèmes multi-agents

Author : Romain Franceschini
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Approche formelle pour la modélisation et la simulation à évènements discrets de systèmes multi-agents by : Romain Franceschini

Download or read book Approche formelle pour la modélisation et la simulation à évènements discrets de systèmes multi-agents written by Romain Franceschini and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse aborde les problématiques liées à la reproductibilité des expériences numériques dans le cadre des systèmes complexes environnementaux, et plus particulièrement dans le cadre de la modélisation de systèmes multi-agents. L'activité de M&S peut s'apparenter à une expérience numérique, au même titre qu'une expérience scientifique menée dans une discipline expérimentale, c'est pourquoi la description des modèles SMA doit être partagée de façon non ambigüe. Dans cet objectif, nous nous sommes dirigés vers une approche formelle, qui permet de décrire les modèles d'un point de vue structurel et sémantique. Nous présentons dans ce manuscrit deux contributions majeures : une proposition de formalisation du paradigme agent associant des méthodes de conception pour l'élaboration des modèles et une mise en oeuvre des abstractions permettant de faciliter le développement de SMA, d'après les concepts définis par l'approche formelle à travers l'outil Quartz. Nous proposons également une mise en application de l'approche à travers deux exemples, dans lesquels la définition d'un modèle est établie, de la description informelle à son implémentation.

Analysis and Optimization of Systems

Author : Alain Bensoussan
Publisher :
ISBN 13 : 9780387167299
Total Pages : 0 pages
Book Rating : 4.1/5 (672 download)

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Book Synopsis Analysis and Optimization of Systems by : Alain Bensoussan

Download or read book Analysis and Optimization of Systems written by Alain Bensoussan and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nondifferentiable Optimization

Author : Michel Louis Balinski
Publisher :
ISBN 13 : 9780720483000
Total Pages : 0 pages
Book Rating : 4.4/5 (83 download)

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Book Synopsis Nondifferentiable Optimization by : Michel Louis Balinski

Download or read book Nondifferentiable Optimization written by Michel Louis Balinski and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optimal Shape Design for Elliptic Systems

Author : O. Pironneau
Publisher : Springer Science & Business Media
ISBN 13 : 3642877222
Total Pages : 179 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Optimal Shape Design for Elliptic Systems by : O. Pironneau

Download or read book Optimal Shape Design for Elliptic Systems written by O. Pironneau and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of optimal shape design can be arrived at by asking the following question: "What is the best shape for a physical system?" This book is an applications-oriented study of such physical systems; in particular, those which can be described by an elliptic partial differential equation and where the shape is found by the minimum of a single criterion function. There are many problems of this type in high-technology industries. In fact, most numerical simulations of physical systems are solved not to gain better understanding of the phenomena but to obtain better control and design. Problems of this type are described in Chapter 2. Traditionally, optimal shape design has been treated as a branch of the calculus of variations and more specifically of optimal control. This subject interfaces with no less than four fields: optimization, optimal control, partial differential equations (PDEs), and their numerical solutions-this is the most difficult aspect of the subject. Each of these fields is reviewed briefly: PDEs (Chapter 1), optimization (Chapter 4), optimal control (Chapter 5), and numerical methods (Chapters 1 and 4).

Optimization of Distributed Parameter Structures

Author : Edward J. Haug
Publisher : Kluwer Academic Publishers
ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Optimization of Distributed Parameter Structures by : Edward J. Haug

Download or read book Optimization of Distributed Parameter Structures written by Edward J. Haug and published by Kluwer Academic Publishers. This book was released on 1981 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optimal Shape Design

Author : B. Kawohl
Publisher : Springer Science & Business Media
ISBN 13 : 9783540679714
Total Pages : 404 pages
Book Rating : 4.6/5 (797 download)

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Book Synopsis Optimal Shape Design by : B. Kawohl

Download or read book Optimal Shape Design written by B. Kawohl and published by Springer Science & Business Media. This book was released on 2000-11-16 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optimal Shape Design is concerned with the optimization of some performance criterion dependent (besides the constraints of the problem) on the "shape" of some region. The main topics covered are: the optimal design of a geometrical object, for instance a wing, moving in a fluid; the optimal shape of a region (a harbor), given suitable constraints on the size of the entrance to the harbor, subject to incoming waves; the optimal design of some electrical device subject to constraints on the performance. The aim is to show that Optimal Shape Design, besides its interesting industrial applications, possesses nontrivial mathematical aspects. The main theoretical tools developed here are the homogenization method and domain variations in PDE. The style is mathematically rigorous, but specifically oriented towards applications, and it is intended for both pure and applied mathematicians. The reader is required to know classical PDE theory and basic functional analysis.

Handbook of Functional Equations

Author : Themistocles M. Rassias
Publisher : Springer
ISBN 13 : 1493912461
Total Pages : 555 pages
Book Rating : 4.4/5 (939 download)

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Book Synopsis Handbook of Functional Equations by : Themistocles M. Rassias

Download or read book Handbook of Functional Equations written by Themistocles M. Rassias and published by Springer. This book was released on 2014-11-18 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Richard Bellman has so elegantly stated at the Second International Conference on General Inequalities (Oberwolfach, 1978), “There are three reasons for the study of inequalities: practical, theoretical, and aesthetic.” On the aesthetic aspects, he said, “As has been pointed out, beauty is in the eye of the beholder. However, it is generally agreed that certain pieces of music, art, or mathematics are beautiful. There is an elegance to inequalities that makes them very attractive.” The content of the Handbook focuses mainly on both old and recent developments on approximate homomorphisms, on a relation between the Hardy–Hilbert and the Gabriel inequality, generalized Hardy–Hilbert type inequalities on multiple weighted Orlicz spaces, half-discrete Hilbert-type inequalities, on affine mappings, on contractive operators, on multiplicative Ostrowski and trapezoid inequalities, Ostrowski type inequalities for the Riemann–Stieltjes integral, means and related functional inequalities, Weighted Gini means, controlled additive relations, Szasz–Mirakyan operators, extremal problems in polynomials and entire functions, applications of functional equations to Dirichlet problem for doubly connected domains, nonlinear elliptic problems depending on parameters, on strongly convex functions, as well as applications to some new algorithms for solving general equilibrium problems, inequalities for the Fisher’s information measures, financial networks, mathematical models of mechanical fields in media with inclusions and holes.