Sensibilité paramétrique par la méthode des éléments finis en électromagnétisme PDF Download
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Author: Alain Kouyoumdjian
Publisher:
ISBN:
Category :
Languages : fr
Pages : 170
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Book Description
Author: Alain Kouyoumdjian
Publisher:
ISBN:
Category :
Languages : fr
Pages : 170
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Book Description
Author: ALAIN.. KOUYOUMDJIAN
Publisher:
ISBN:
Category :
Languages : fr
Pages : 171
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Book Description
UNE METHODOLOGIE VISANT A RENDRE POSSIBLE L'ETUDE DE SENSIBILITE DE GRANDEURS PHYSIQUES A UN PARAMETRE A ETE DEVELOPPEE. CE PARAMETRE PEUT ETRE TOUTE FONCTION DE CARACTERISTIQUES PHYSIQUES OU/ET DIMENSIONNELLE. LA FORMULATION EMPLOYEE S'APPLIQUE A TOUTE GRANDEUR PHYSIQUE GLOBALE OU LOCALE DANS LE CADRE DE LA METHODE DES ELEMENTS FINIS. DANS LE DOMAINE DE L'ELECTROMAGNETISME ET AVEC UNE FORMULATION DE RITZ UNE INTERPRETATION PHYSIQUE ET ORIGINALE A ETE DONNEE AUX DERIVEES OBTENUES. UNE FORMULATION CONTINUE QUI PERMET L'EXTENSION DE NOTRE DEMARCHE A LA METHODE DE GALERKINE A ETE ETABLIE, CE QUI GENERALISE NOTRE METHODOLOGIE AUX PRINCIPAUX DOMAINES DE LA PHYSIQUE. DANS UNE PERSPECTIVE DE LIAISON CAO-IA LES CONDITIONS D'UNE OPTIMISATION ONT AUSSI ETE ENVISAGEES
Author: PASCAL.. PETIN
Publisher:
ISBN:
Category :
Languages : fr
Pages : 208
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Book Description
CE TRAVAIL VISE A AMELIORER L'ETUDE DE SENSIBILITE DANS LA METHODE DES ELEMENTS FINIS (MEF). L'IDEE EST D'INVESTIR INITIALEMENT DANS UNE REPRESENTATION PARAMETREE DE LA SOLUTION EF, POUR DISPOSER ENSUITE D'UNE EVALUATION RAPIDE, POUR CHAQUE NOUVELLE VALEUR DE PARAMETRES, EN PHASE D'OPTIMISATION. TOUT D'ABORD, NOUS PRESENTONS RAPIDEMENT LA MEF, POUR SOULIGNER QU'ELLE EST DE PLUS EN PLUS UTILISEE A DES FINS D'OPTIMISATION (PROBLEME INVERSE), AINSI QUE LES DIFFICULTES RENCONTREES. L'ETUDE DE SENSIBILITE ET LES TEMPS DE CALCULS SONT AU CUR DU PROBLEME. NOUS PROPOSONS DONC UNE METHODE ORIGINALE QUI SE BASE SUR LES DERIVEES D'ORDRE ELEVE. LA PRESENTATION THEORIQUE SERA COMPLETEE PAR UNE LISTE DE POINTS DELICATS (DONT LES TEMPS DE CALCULS) ET DE VARIANTES. LA METHODE PROPOSEE RELEVE DE LA MEF PLUS QUE D'UNE PHYSIQUE EN PARTICULIER. DEUX MISES EN UVRE EN LINEAIRE SONT ALORS PRESENTEES, DANS COMPOSIC POUR LES MATERIAUX COMPOSITES ET DANS SIC POUR LES PROBLEMES MAGNETIQUES. UNE VALIDATION PAR REFERENCE A DES SOLUTIONS ANALYTIQUES CONFIRME UNE EXCELLENTE PRECISION ET ABORDE LA QUESTION DU DOMAINE DE VALIDITE. NOUS TENTONS ENSUITE UNE GENERALISATION AUX PROBLEMES NON-LINEAIRES. DES PROBLEMES PARTICULIERS NOUS EMPECHENT ALORS D'EGALER LES RESULTATS PROMETTEURS DU LINEAIRE. ENFIN, AVANT DE CONCLURE ET DE SIGNALER LES NOMBREUSES PERSPECTIVES OUVERTES PAR CE TRAVAIL, NOUS REVENONS SUR LES PROBLEMES INFORMATIQUES QUE POSE L'IMPLANTATION DE NOTRE METHODE. NOUS RETENONS QUE NOTRE METHODE RESTE MALGRE TOUT UN INVESTISSEMENT LOURD, QUI SE JUSTIFIE POUR DES PROBLEMES D'OPTIMISATION NECESSITANT DE TRES NOMBREUSES EVALUATIONS. LE TRAVAIL MERITERAIT D'ETRE POURSUIVI...
Author: Santosa Gitosusastro (auteur en génie électrique).)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Ce travail concerne la méthode des éléments finis utilisée dans la Conception Assistée par Ordinateur des structures électromagnétiques bidimensionnelles. Une méthode de calcul de sensibilité, applicable aux grandeurs locales ou globales, est développée et expérimentée. Cette méthode permet de guider l'utilisateur dans une optimisation pas à pas d'un système électromagnétique. Ensuite, les méthodes générales d'optimisation sont exposées et comparées. Un processus d'optimisation utilisant la méthode de quasi-Newton, de pénalité et d'approximation cubique a été implanté. Il permet de déterminer automatiquement des paramètres de construction
Author: Mouloud Feliachi
Publisher:
ISBN:
Category :
Languages : fr
Pages : 360
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Author: Claude Cohen-Tannoudji
Publisher: John Wiley & Sons
ISBN: 3527345558
Category : Science
Languages : en
Pages : 790
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Book Description
This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author: J. Belle
Publisher:
ISBN:
Category : Nuclear fuels
Languages : en
Pages : 146
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Author: William John Palm
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 728
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Book Description
Model, analyze, and solve vibration problems, using modern computer tools. Featuring clear explanations, worked examples, applications, and modern computer tools, William Palm's Mechanical Vibration provides a firm foundation in vibratory systems. You'll learn how to apply knowledge of mathematics and science to model and analyze systems ranging from a single degree of freedom to complex systems with two and more degrees of freedom. Separate MATLAB sections at the end of most chapters show how to use the most recent features of this standard engineering tool, in the context of solving vibration problems. The text introduces Simulink where solutions may be difficult to program in MATLAB, such as modeling Coulomb friction effects and simulating systems that contain non-linearities. Ample problems throughout the text provide opportunities to practice identifying, formulating, and solving vibration problems. KEY FEATURES Strong pedagogical approach, including chapter objectives and summaries Extensive worked examples illustrating applications Numerous realistic homework problems Up-to-date MATLAB coverage The first vibration textbook to cover Simulink Self-contained introduction to MATLAB in Appendix A Special section dealing with active vibration control in sports equipment Special sections devoted to obtaining parameter values from experimental data
Author: Bo Song
Publisher: Springer
ISBN: 3319224522
Category : Technology & Engineering
Languages : en
Pages : 265
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Book Description
Dynamic Behavior of Materials, Volume 1 represents the first of nine volumes of technical papers presented at the Society for Experimental Mechanics SEM 15th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 8-11, 2015. The full set of proceedings also includes volumes on: Challenges in Mechanics of Time Dependent Materials, Advancement of Optical Methods in Experimental Mechanics, Experimental and Applied Mechanics 16th International Symposium on MEMS and Nanotechnology, 5th International Symposium on the Mechanics of Biological Systems and Materials, International Symposium on the Mechanics of Composite and Multi-functional Materials, Fracture, Fatigue, Failure and Damage Evolution; and Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems.
Author: Alain Hébert
Publisher: Presses inter Polytechnique
ISBN: 2553014368
Category : Nuclear physics
Languages : en
Pages : 426
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Book Description
