Couplage elements finis-equations integrales pour la resolution des equations de Maxwell en milieu heterogene PDF Download
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Author: Vincent Levillain
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ISBN:
Category :
Languages : fr
Pages : 0
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Author: Vincent Levillain
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Author: Habib Ammari
Publisher:
ISBN:
Category :
Languages : fr
Pages : 17
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Author: Vincent Levillain
Publisher:
ISBN:
Category :
Languages : fr
Pages : 179
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Pour résoudre les problèmes de diffraction électromagnétiques tridimensionnels, d'ondes harmoniques par des diélectriques hétérogènes, nous présentons trois formulations variationnelles différentes couplant des éléments finis de volume et des formules de représentation intégrale, ainsi que les espaces correspondants. Nous prouvons l'existence et l'unicité sous certaines hypothèses, et étudions en particulier l'influence des valeurs propres. Pour faire l'approximation numérique, nous utilisons des éléments finis de volume H(ROT) ainsi que des éléments finis de surface H(DIV), et nous prouvons existence et convergence pour la solution d'une des trois formulations approchées. Pour illustrer l'influence des valeurs propres, ainsi que les résultats de convergence, nous présentons quelques résultats numériques qui confirment l'étude théorique. Le dernier chapitre est quant à lui consacré à l'étude des modes propres de cavité résonnante approximes par éléments finis de volume, et au taux de convergence des valeurs calculées.
Author: Ana Alonso Rodriguez
Publisher: Springer Science & Business Media
ISBN: 8847015065
Category : Mathematics
Languages : en
Pages : 355
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This book deals with the mathematical analysis and the numerical approximation of eddy current problems in the time-harmonic case. It takes into account all the most used formulations, placing the problem in a rigorous functional framework.
Author: Jean-Claude Nedelec
Publisher: Springer Science & Business Media
ISBN: 9780387951553
Category : Computers
Languages : en
Pages : 356
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Book Description
Acoustic and electromagnetic waves underlie a range of modern technology from sonar, radio, and television to microwave heating and electromagnetic compatibility analysis. This book, written by an international researcher, presents some of the research in a complete way. It is useful for graduate students in mathematics, physics, and engineering.
Author: Pekka Neittaanmaki
Publisher: World Scientific
ISBN: 9814542806
Category : Mathematics
Languages : en
Pages : 794
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Book Description
This volume contains major lectures given at ENUMATH 99, the 3rd European Conference on Numerical Mathematics and Advanced Applications.The ENUMATH conferences were established in 1995 to provide a forum for discussing current topics in numerical mathematics. They convene leading experts and young scientists, with special emphasis on contributions from Europe. Recent results and new trends are discussed in the analysis of numerical algorithms, as well as their application to challenging scientific and industrial problems.The topics of ENUMATH 99 included finite element methods, a posteriori error control and adaptive mesh design, non-matching grids, least-squares methods for partial differential equations, boundary element methods and optimization in partial differential equations. Apart from theoretical aspects, a major part of the conference was devoted to numerical methods in interdisciplinary applications such as problems in computational fluid, electrodynamics, telecommunications software, as well as visualization.
Author: Jürgen Rossmann
Publisher: Springer Science & Business Media
ISBN: 9783764362027
Category : Gardening
Languages : en
Pages : 372
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This is the second volume of a collection of articles dedicated to V.G Maz'ya on the occasion of his 60th birthday. It contains most of the invited lectures of the Conference on Functional Analysis, Partial Differential Equations and Applications held in Rostock in September 1998 in honor of V.G Maz'ya. Here different problems of functional analysis, potential theory, linear and nonlinear partial differential equations, theory of function spaces and numerical analysis are treated. The authors, who are outstanding experts in these fields, present surveys as well as new results. The first volume contains surveys on his work in different fields of mathematics or on areas to which he made essential contributions. Other articles of this book have their origin in the common work with Maz'ya. V.G Maz'ya is author or co-author of more than 300 scientific works on various fields of functional analysis, function theory, numerical analysis, partial differential equations and their application. The reviews in this book show his enormous productivity and the large variety of his work.
Author: Marc Bonnet
Publisher: CRC Press
ISBN: 1000657426
Category : Mathematics
Languages : en
Pages : 308
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Book Description
Boundary element methods relate to a wide range of engineering applications, including fluid flow, fracture analysis, geomechanics, elasticity, and heat transfer. Thus, new results in the field hold great importance not only to researchers in mathematics, but to applied mathematicians, physicists, and engineers. A two-day minisymposium Mathematical Aspects of Boundary Element Methods at the IABEM conference in May 1998 brought together top rate researchers from around the world, including Vladimir Maz’ya, to whom the conference was dedicated. Focusing on the mathematical and numerical analysis of boundary integral operators, this volume presents 25 papers contributed to the symposium. Mathematical Aspects of Boundary Element Methods provides up-to-date research results from the point of view of both mathematics and engineering. The authors detail new results, such as on nonsmooth boundaries, and new methods, including domain decomposition and parallelization, preconditioned iterative techniques, multipole expansions, higher order boundary elements, and approximate approximations. Together they illustrate the connections between the modeling of applied problems, the derivation and analysis of corresponding boundary integral equations, and their efficient numerical solutions.
Author: Walter Gautschi
Publisher: American Mathematical Soc.
ISBN: 0821802917
Category : Mathematics
Languages : en
Pages : 669
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Book Description
Proceedings of an International Conference held in Vancouver, B.C., August 1993, to commemorate the 50th anniversary of the founding of the journal Mathematics of Computation. It consisted of a Symposium on Numerical Analysis and a Minisymposium of Computational Number Theory. This proceedings contains 14 invited papers, including two not presented at the conference--an historical essay on integer factorization, and a paper on componentwise perturbation bounds in linear algebra. The invited papers present surveys on the various subdisciplines covered by Mathematics of Computation, in a historical perspective and in a language accessible to a wide audience. The 46 contributed papers address contemporary specialized work. Annotation copyright by Book News, Inc., Portland, OR
Author: Jacques-Louis Lions
Publisher: Elsevier Masson
ISBN:
Category : Mathematics
Languages : en
Pages : 832
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