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Author : Olivier Pantz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (493 download)
Download or read book Quelques problèmes de modélisation en élasticité non linéaire written by Olivier Pantz and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gilles Aubert
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (49 download)
Download or read book CONTRIBUTION AUX PROBLEMES DU CALCUL DES VARIATIONS ET APPLICATION A L'ELASTICITE NON LINEAIRE written by Gilles Aubert and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: THEOREMES D'EXISTENCE POUR UN TYPE DE PROBLEMES DU CALCUL DES VARIATIONS, ET EN OPTIMISATION NON CONVEXE. MINIMISATION D'UNE FONCTIONNELLE NON CONVEXE, NON DIFFERENTIABLE EN DIMENSION 1. REMARQUES SUR UN PROBLEME D'ELASTICITE NON LINEAIRE. FAIBLE FERMETURE DE CERTAINS ENSEMBLES DE CONTRAINTES EN ELASTICITE NON LINEAIRE PLANE. CONDITIONS NECESSAIRES DE FAIBLE FERMETURE ET DE 1-RANG CONVEXITE EN DIMENSION 3. THEOREMES DE CARACTERISATION DE LA POLYCONVEXITE ET DE LA 1-RANG CONVEXITE EN DIMENSIONS 2 ET 3
Author : Mustapha Samih
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (494 download)
Download or read book Quelques problèmes spécifiques à la modélisation non linéaire written by Mustapha Samih and published by . This book was released on 1988 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: PARTANT D'UN CAS DE MODELISATION DE DONNEES ECOLOGIQUES, NOUS AVONS TRAITE DANS LA PREMIERE PARTIE DES PROBLEMES SPECIFIQUES DE LA MODELISATION NON LINEAIRE: L'ESTIMATION NUMERIQUE DES PARAMETRES, LES REGIONS DE CONFIANCE ET LES LIENS AVEC LES MESURES DE NON LINEARITE. LES PLANS D'EXPERIENCE ET LE CRITERE D'AKAIKE POUR LE CHOIX ENTRE MODELES ONT ETE INTEGRES DANS LA DEMARCHE GENERALE DE LA MODELISATION NON LINEAIRE. DANS LA DEUXIEME PARTIE, DES DONNEES ECOLOGIQUES ONT ETE TRAITEES. LE PROBLEME A ETE ABORDE DANS UN CADRE DE SYSTEMIQUE ET LES COEFFICIENTS DE TRANSFERT ENTRE LES DIFFERENTS COMPARTIMENTS ECOLOGIQUES CONSIDERES ONT ETE ESTIMES
Author : Vincent Acary
Publisher : Springer Science & Business Media
ISBN 13 : 3540753923
Total Pages : 529 pages
Book Rating : 4.5/5 (47 download)
Download or read book Numerical Methods for Nonsmooth Dynamical Systems written by Vincent Acary and published by Springer Science & Business Media. This book was released on 2008-01-30 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concerns the numerical simulation of dynamical systems whose trajec- ries may not be differentiable everywhere. They are named nonsmooth dynamical systems. They make an important class of systems, rst because of the many app- cations in which nonsmooth models are useful, secondly because they give rise to new problems in various elds of science. Usually nonsmooth dynamical systems are represented as differential inclusions, complementarity systems, evolution va- ational inequalities, each of these classes itself being split into several subclasses. The book is divided into four parts, the rst three parts being sketched in Fig. 0. 1. The aim of the rst part is to present the main tools from mechanics and applied mathematics which are necessary to understand how nonsmooth dynamical systems may be numerically simulated in a reliable way. Many examples illustrate the th- retical results, and an emphasis is put on mechanical systems, as well as on electrical circuits (the so-called Filippov’s systems are also examined in some detail, due to their importance in control applications). The second and third parts are dedicated to a detailed presentation of the numerical schemes. A fourth part is devoted to the presentation of the software platform Siconos. This book is not a textbook on - merical analysis of nonsmooth systems, in the sense that despite the main results of numerical analysis (convergence, order of consistency, etc. ) being presented, their proofs are not provided.
Author : Gérard Meunier
Publisher : John Wiley & Sons
ISBN 13 : 0470393807
Total Pages : 618 pages
Book Rating : 4.4/5 (73 download)
Download or read book The Finite Element Method for Electromagnetic Modeling written by Gérard Meunier and published by John Wiley & Sons. This book was released on 2010-01-05 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by specialists of modeling in electromagnetism, this book provides a comprehensive review of the finite element method for low frequency applications. Fundamentals of the method as well as new advances in the field are described in detail. Chapters 1 to 4 present general 2D and 3D static and dynamic formulations by the use of scalar and vector unknowns and adapted interpolations for the fields (nodal, edge, face or volume). Chapter 5 is dedicated to the presentation of different macroscopic behavior laws of materials and their implementation in a finite element context: anisotropy and hysteretic properties for magnetic sheets, iron losses, non-linear permanent magnets and superconductors. More specific formulations are then proposed: the modeling of thin regions when finite elements become misfit (Chapter 6), infinite domains by using geometrical transformations (Chapter 7), the coupling of 2D and 3D formulations with circuit equations (Chapter 8), taking into account the movement, particularly in the presence of Eddy currents (Chapter 9) and an original approach for the treatment of geometrical symmetries when the sources are not symmetric (Chapter 10). Chapters 11 to 13 are devoted to coupled problems: magneto-thermal coupling for induction heating, magneto-mechanical coupling by introducing the notion of strong and weak coupling and magneto-hydrodynamical coupling focusing on electromagnetic instabilities in fluid conductors. Chapter 14 presents different meshing methods in the context of electromagnetism (presence of air) and introduces self-adaptive mesh refinement procedures. Optimization techniques are then covered in Chapter 15, with the adaptation of deterministic and probabilistic methods to the numerical finite element environment. Chapter 16 presents a variational approach of electromagnetism, showing how Maxwell equations are derived from thermodynamic principles.
Author : Christian Fray
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
Download or read book Contribution à la résolution numérique de problèmes non-linéaires written by Christian Fray and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frédéric Lagoutière
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (492 download)
Download or read book MODELISATION MATHEMATIQUE ET RESOLUTION NUMERIQUE DE PROBLEMES DE FLUIDES COMPRESSIBLES A PLUSIEURS CONSTITUANTS written by Frédéric Lagoutière and published by . This book was released on 2000 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: LE BUT DE CE TRAVAIL EST DE RESOUDRE DES PROBLEMES DE FLUIDES EULERIENS COMPRESSIBLES A PLUSIEURS CONSTITUANTS. LES CONSTITUANTS PEUVENT ETRE MELANGES OU NON. DANS LE CAS OU ILS NE LE SONT PAS, ILS SONT SEPARES PAR DES INTERFACES. CE TRAVAIL COMPORTE UNE PARTIE DE MODELISATION MATHEMATIQUE DES MELANGES ET UNE PARTIE CONSACREE A LA RESOLUTION NUMERIQUE DES MODELES PROPOSES. DANS LA PARTIE DE MODELISATION, NOUS PROPOSONS UNE CLASSE DE MODELES DERIVEE DE PRINCIPES THERMODYNAMIQUES. LES MODELES SONT DONNES SOUS FORME D'EQUATIONS AUX DERIVEES PARTIELLES CONSERVATIVES OU NON. NOUS NOUS ATTACHONS A DECRIRE LEURS PROPRIETES MATHEMATIQUES : SYMETRISABILITE, HYPERBOLICITE, EXISTENCE DE SOLUTIONS-ONDES PROGRESSIVES DANS LA PARTIE DE RESOLUTION NUMERIQUE, NOUS COMMENCONS PAR ETUDIER UN PROBLEME MODELE : L'ADVECTION LINEAIRE. POUR LA RESOLUTION NUMERIQUE DE CETTE EQUATION, NOUS PROPOSONS UN ALGORITHME DE TYPE VOLUMES FINIS QUI PRESENTE LA PARTICULARITE DE N'ETRE PAS DISSIPATIF : NOUS OBTENONS UNE ESTIMATION D'ERREUR UNIFORME EN TEMPS. NOUS PROPOSONS ENSUITE UNE EXTENSION DE CET ALGORITHME AUX EQUATIONS SCALAIRES NON LINEAIRES CONVEXES, POUR LESQUELLES NOUS EFFECTUONS UNE ETUDE DETAILLEE DE LA CONVERGENCE ENTROPIQUE. NOUS ETENDONS ENSUITE CE SCHEMA A LA RESOLUTION DES EQUATIONS D'EULER. CECI PERMET UN CALCUL OPTIMAL DES DISCONTINUITES DE CONTACT (LOCALISEES SUR UNE UNIQUE MAILLE). CE SCHEMA EST ENSUITE UTILISE POUR LE TRANSPORT DES FRACTIONS MASSIQUES DES CONSTITUANTS DANS UN ALGORITHME DE TYPE LAGRANGE-PROJECTION POUR LA RESOLUTION DES MODELES DE FLUIDES A PLUSIEURS CONSTITUANTS. CELA PERMET UN CALCUL OPTIMAL DES INTERFACES (SITUEES SUR UNE UNIQUE MAILLE) AINSI QUE DES BORDS DES ZONES DE MELANGE. NOUS DEMONTRONS DES ESTIMATIONS ENTROPIQUES POUR CHAQUE CONSTITUANT. NOUS MONTRONS DES RESULTATS NUMERIQUES OBTENUS EN DIMENSIONS 1 ET 2.
Author : Christine Bernardi
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.:/5 (49 download)
Download or read book Contribution à l'analyse numérique de problèmes non linéaires written by Christine Bernardi and published by . This book was released on 1986 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximation de problèmes paraboliques non linéaires. Discrétisation par la méthode de Galerkin utilisant des éléments finis ene espace et par un schéma à una pas ou une méthode spectrale du temps. Application du théorème du point fixe. Cas d'une bifurcation de Hopf et d'une branche régulière de solutions. Analyse de deux semi-discrétisations en espace des équations de Navier-Stokes d'évolution. Convergence d'un schéma aux différences finies centre explicite d'ordre 2 Pour des équations hyperboliques non linéaires. Méthodes de collocation spectrale pour les équations de Navier-Stokes stationnaires dans un carré ou un cube. Résultats généraux d'interpolation optimale par éléments finis pour des fonctions éventuellement peu régulières définies sur des domaines courbes.
Author : DANIEL.. COUTAND
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (492 download)
Download or read book ANALYSE MATHEMATIQUE DE QUELQUES PROBLEMES D'ELASTICITE NON LINEAIRE ET DE CALCUL DES VARIATIONS written by DANIEL.. COUTAND and published by . This book was released on 1999 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES TRAVAUX PRESENTES DANS CETTE THESE CONCERNENT D'UNE PART L'ANALYSE MATHEMATIQUE DE PROBLEMES NON LINEAIRES EN ELASTICITE ET D'AUTRE PART L'ANALYSE DE LA MULTIPLICITE POUR UNE CLASSE GENERALE DE PROBLEMES DU CALCUL DES VARIATIONS SOUS CONTRAINTES. LES QUATRE PREMIERS CHAPITRES CONCERNENT L'ANALYSE MATHEMATIQUE D'UN MODELE DE MEMBRANE PLANE NON LINEAIRE DONT LA DENSITE D'ENERGIE DEPEND DE LA DIFFERENCE ENTRE LE TENSEUR METRIQUE DE LA SURFACE INCONNUE ET CELUI DE LA SURFACE DE REFERENCE. ON ETABLIT DES RESULTATS D'EXISTENCE ET D'UNICITE LOCALES DE SOLUTIONS INJECTIVES POUR CES EQUATIONS QUASILINEAIRES NON ELLIPTIQUES POUR DIFFERENTES CONDITIONS AUX LIMITES A LA FRONTIERE, A SAVOIR LA CONDITION DE DEPLACEMENT NUL, L'ETIREMENT ET LA LEGERE COMPRESSION. LES PROPRIETES DES SOLUTIONS EN TERME DE MINIMISATION SONT EGALEMENT ETUDIEES. LE CINQUIEME CHAPITRE ETABLIT L'EXISTENCE D'UN MINIMISEUR A LA FONCTIONNELLE D'UN PROBLEME DE COQUE EN FLEXION INEXTENSIONNELLE NON LINEAIRE, AYANT LA PARTICULARITE D'ETRE POSE SUR UN ENSEMBLE NON CONVEXE DE DEFORMATIONS, EN L'OCCURRENCE CELLES DONT LE TENSEUR METRIQUE EST EGAL A CELUI DE LA SURFACE DE REFERENCE. LA DENSITE D'ENERGIE DE LA FONCTIONNELLE A MINIMISER DEPEND DE LA DIFFERENCE ENTRE LE TENSEUR DE COURBURE DE LA SURFACE INCONNUE ET CELUI DE LA SURFACE DE REFERENCE. LE SIXIEME CHAPITRE CONCERNE L'ETUDE DE LA MULTIPLICITE POUR UNE CLASSE GENERALE DE PROBLEMES DU CALCUL DES VARIATIONS SOUS CONTRAINTES D'UN CERTAIN TYPE, INCLUANT LE PROBLEME DE COQUE PRECEDENT ET CELUI D'UN MATERIAU FERROMAGNETIQUE EN MICROMAGNETISME. ON DEVELOPPE UNE APPROCHE DE NATURES GEOMETRIQUE, VARIATIONNELLE ET TOPOLOGIQUE QUI PERMET D'ANALYSER LES STRUCTURES TOPOLOGIQUES DES ENSEMBLES DE FORCES ADMETTANT RESPECTIVEMENT UN OU PLUSIEURS MINIMISEURS. EN PARTICULIER, ON ETABLIT LA DENSITE DE L'ENSEMBLE DES FORCES ADMETTANT UN UNIQUE MINIMISEUR AINSI QUE LE CARACTERE NON VIDE ET NON ISOLE DANS LUI-MEME DE L'ENSEMBLE DES FORCES ADMETTANT PLUSIEURS MINIMISEURS.
Author : Jaroslav Jirousek (Civil engineer, Czechoslovakia, Switzerland)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (82 download)
Download or read book Contribution à l'étude des problèmes géométriquement non linéaires des structures élastiques written by Jaroslav Jirousek (Civil engineer, Czechoslovakia, Switzerland) and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. Darve
Publisher : CRC Press
ISBN 13 : 0203498054
Total Pages : 435 pages
Book Rating : 4.2/5 (34 download)
Download or read book Geomaterials: Constitutive Equations and Modelling written by F. Darve and published by CRC Press. This book was released on 2002-11-01 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bogdan Księżopolski
Publisher : CRC Press
ISBN 13 : 1138000604
Total Pages : 734 pages
Book Rating : 4.1/5 (38 download)
Download or read book Multilevel Modeling of Secure Systems in QoP-ML written by Bogdan Księżopolski and published by CRC Press. This book was released on 2015-07-02 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introducing the Quality of Protection Modeling Language (QoP-ML), this book provides for the abstraction of security systems while maintaining emphasis on the details of quality protection . It delineates the steps used in cryptographic protocol and introduces a multilevel protocol analysis that expands current understanding. Every operation defined by QoP-ML is described within parameters of security metrics, therefore evaluating the impact of the operation on the entire system's security.
Author :
Publisher :
ISBN 13 :
Total Pages : 1034 pages
Book Rating : 4.F/5 ( download)
Download or read book Canadian Journal of Civil Engineering written by and published by . This book was released on 1989 with total page 1034 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : O. Aydan
Publisher : CRC Press
ISBN 13 : 9789054103097
Total Pages : 1008 pages
Book Rating : 4.1/5 (3 download)
Download or read book Assessment and Prevention of Failure Phenomena in Rock Engineering written by O. Aydan and published by CRC Press. This book was released on 1993-01-01 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of papers addressing the issue of the failure of rock engineering structures. This phenomenon occurs in different forms depending on the geometry of structure, material properties of intact rock, structure of rock mass, environmental conditions and initial state of stress.
Author : SAANOUNI Khemais
Publisher : Lavoisier
ISBN 13 : 2746282259
Total Pages : 578 pages
Book Rating : 4.7/5 (462 download)
Download or read book Modélisation et simulation numériques en formage virtuel written by SAANOUNI Khemais and published by Lavoisier. This book was released on 2012-04-16 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage fait le point sur les méthodes actuelles les plus performantes pour modéliser, simuler et optimiser les procédés de mise en forme des structures minces et massives et d'en donner les tendances des nouvelles méthodes innovantes actuellement en cours de développement et qui feront à n'en pas douter les "outils" industriels de demain dans le domaine du formage virtuel. Par rapport aux ouvrages récents dédiés aux méthodes numériques en mise en forme, le principal apport de ce livre se trouve rassemblé au deuxième chapitre qui concerne le développement des modèles de comportement multiphysiques à fortes capacités prédictives, utilisables dans les codes de calcul des structures pour simuler et optimiser tous types de procédés de mise en forme par grandes déformations irréversibles de structures métalliques minces et/ou massives et leur "optimisation" vis-à-vis de l'avènement de l'endommagement ductile.
Author :
Publisher :
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461528321
Total Pages : 350 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 36 (thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 36 reports theses submitted in 1991, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
