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Author: Claudine Schmidt-Lainé
Publisher:
ISBN:
Category :
Languages : fr
Pages : 336
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Book Description
L'ETUDE D'UN ECOULEMENT INCOMPRESSIBLE EN CONDUITE PLANE PERMET DE REDUIRE LES EQUATIONS DE NAVIER STOKES A UN CAS UNIDIMENSIONNEL SIMPLE ET DE VALIDER LES DEUX TYPES DE MODELISATION ETUDIES (VISCOSITE TURBULENTE ET MODELE DE LAUNDER). PRESENTATION DE LA FERMETURE LA PLUS SIMPLE DE L'EQUATION AVEC 3 MODELES DU TYPE VISCOSITE TURBULENTE. RESULTATS MATHEMATIQUES (EXISTENCE ET UNICITE DE LA SOLUTION) SUR LES PROBLEMES PARABOLIQUES NON LINEAIRES PROVENANT DE L'INTRODUCTION DE CES TROIS MODELES DANS L'EQUATION DE QUANTITE DE MOUVEMENT INITIALE. PRESENTATION DE LA METHODE DE CONTROLE OPTIMAL ET APPLICATION AUX MODELES DE TYPE VISCOSITE TURBULENTE ET AU MODELE DE LAUNDER
Author: Claudine Schmidt-Lainé
Publisher:
ISBN:
Category :
Languages : fr
Pages : 336
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Book Description
L'ETUDE D'UN ECOULEMENT INCOMPRESSIBLE EN CONDUITE PLANE PERMET DE REDUIRE LES EQUATIONS DE NAVIER STOKES A UN CAS UNIDIMENSIONNEL SIMPLE ET DE VALIDER LES DEUX TYPES DE MODELISATION ETUDIES (VISCOSITE TURBULENTE ET MODELE DE LAUNDER). PRESENTATION DE LA FERMETURE LA PLUS SIMPLE DE L'EQUATION AVEC 3 MODELES DU TYPE VISCOSITE TURBULENTE. RESULTATS MATHEMATIQUES (EXISTENCE ET UNICITE DE LA SOLUTION) SUR LES PROBLEMES PARABOLIQUES NON LINEAIRES PROVENANT DE L'INTRODUCTION DE CES TROIS MODELES DANS L'EQUATION DE QUANTITE DE MOUVEMENT INITIALE. PRESENTATION DE LA METHODE DE CONTROLE OPTIMAL ET APPLICATION AUX MODELES DE TYPE VISCOSITE TURBULENTE ET AU MODELE DE LAUNDER
Author: A. Bishop
Publisher: Elsevier
ISBN: 0080871720
Category : Mathematics
Languages : en
Pages : 497
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Book Description
Nonlinear Problems: Present and Future
Author: Jean-Marc Lacroix
Publisher:
ISBN:
Category :
Languages : fr
Pages : 132
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Book Description
RAPPEL DES DIFFERENTES MODELISATIONS MATHEMATIQUES DE LA TURBULENCE BASEES SUR DEUX EQUATIONS DE TRANSPORT. MODELISATION, SOUS DEUX FORMES, DE L'ECOULEMENT TURBULENT AU VOISINAGE DES FRONTIERES SOLIDES: METHODE DITE DES "FONCTIONS DE PAROI" ET METHODE DITE DE "MODELISATION A FAIBLE NOMBRE DE REYNOLDS". ETUDE DES METHODES AUX DIFFERENCES FINIES BASEES SUR UNE DISCRETISATION D'ESPACE A PAS VARIABLES ET DEUX TYPES DE SCHEMAS D'AVANCEMENT DANS LE TEMPS. APPLICATION AU CAS D'UN ECOULEMENT TURBULENT EN CONDUITE AVEC LES MODELES K-EPSILON "A FAIBLE NOMBRE DE REYNOLDS" ET K-L::(N) (LONGUEUR DE MELANGE DE NIKURAKES). APPLICATION AU CAS D'UN ECOULEMENT TURBULENT EN CONDUITE EN PRESENCE D'UNE SINGULARITE REPRESENTEE PAR UN DIAPHRAGME
Author: Society for Industrial and Applied Mathematics
Publisher:
ISBN:
Category : Mathematical analysis
Languages : en
Pages : 596
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Book Description
Author: University of Wisconsin--Madison. Mathematics Research Center
Publisher:
ISBN:
Category : Applied mathematics
Languages : en
Pages : 716
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Book Description
Author: P. A. Durbin
Publisher: John Wiley & Sons
ISBN: 1119957524
Category : Science
Languages : en
Pages : 347
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Book Description
Providing a comprehensive grounding in the subject of turbulence, Statistical Theory and Modeling for Turbulent Flows develops both the physical insight and the mathematical framework needed to understand turbulent flow. Its scope enables the reader to become a knowledgeable user of turbulence models; it develops analytical tools for developers of predictive tools. Thoroughly revised and updated, this second edition includes a new fourth section covering DNS (direct numerical simulation), LES (large eddy simulation), DES (detached eddy simulation) and numerical aspects of eddy resolving simulation. In addition to its role as a guide for students, Statistical Theory and Modeling for Turbulent Flows also is a valuable reference for practicing engineers and scientists in computational and experimental fluid dynamics, who would like to broaden their understanding of fundamental issues in turbulence and how they relate to turbulence model implementation. Provides an excellent foundation to the fundamental theoretical concepts in turbulence. Features new and heavily revised material, including an entire new section on eddy resolving simulation. Includes new material on modeling laminar to turbulent transition. Written for students and practitioners in aeronautical and mechanical engineering, applied mathematics and the physical sciences. Accompanied by a website housing solutions to the problems within the book.
Author: Sébastien Lasserre
Publisher: Omniscriptum
ISBN: 9786131554223
Category :
Languages : fr
Pages : 188
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Book Description
L'objet de cette thèse, financée par le Commissariat à l'Energie Atomique et soutenue en 2005 au Laboratoire Jacques-Louis Lions de l'Université Pierre et Marie Curie (Paris VI), est le développement de nouvelles méthodes numériques pour les modèles k-espilon d'hydrodynamique turbulente compressible où la zone turbulente est d'extension finie. C'est sur la capture du support de la turbulence que repose l'originalité principale de la thèse. Ce travail est de nature essentiellement numérique mais il s'appuie aussi fortement sur la compréhension mathématique et le comportement singulier de solutions particulières des équations, notamment d'équations aux dérivées partielles de diffusion non linéaire. Ceci afin de les discrétiser de manière efficace pour obtenir des schémas numériques capable de capturer ces solutions.
Author: AHMED.. BENTAIB
Publisher:
ISBN:
Category :
Languages : fr
Pages : 178
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Book Description
LE BUT DE CETTE THESE EST L'ETUDE MATHEMATIQUE ET NUMERIQUE D'UN MODELE DE COMBUSTION TURBULENTE. ELLE COMPREND UNE PARTIE INTRODUCTIVE DES MODELES DE TURBULENCE ET DE COMBUSTION TURBULENTE. DANS LE DEUXIEME CHAPITRE, ON PRESENTE L'ETUDE MATHEMATIQUE DU MODELE MIL. UN THEOREME D'EXISTENCE ET D'UNICITE Y EST EXPOSE. LE TROISIEME CHAPITRE FAIT LE POINT SUR L'ETAT DE L'ART EN MATIERE DES METHODES DE VOLUMES FINIS. UN ALGORITHME, EN VOLUMES FINIS NON STRUCTURES POUR LA RESOLUTION DU SYSTEME DES EQUATIONS DE NAVIER-STOKES COUPLE AUX MODELES K-EPSILON ET MIL, EST DECRIT AU QUATRIEME CHAPITRE. LES RESULTATS DES EXPERIENCES NUMERIQUES OBTENUS AVEC CET ALGORITHME SONT PRESENTES AU DERNIER CHAPITRE
Author: Tomás Chacón Rebollo
Publisher: Springer
ISBN: 1493904558
Category : Mathematics
Languages : en
Pages : 530
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Book Description
With applications to climate, technology, and industry, the modeling and numerical simulation of turbulent flows are rich with history and modern relevance. The complexity of the problems that arise in the study of turbulence requires tools from various scientific disciplines, including mathematics, physics, engineering and computer science. Authored by two experts in the area with a long history of collaboration, this monograph provides a current, detailed look at several turbulence models from both the theoretical and numerical perspectives. The k-epsilon, large-eddy simulation and other models are rigorously derived and their performance is analyzed using benchmark simulations for real-world turbulent flows. Mathematical and Numerical Foundations of Turbulence Models and Applications is an ideal reference for students in applied mathematics and engineering, as well as researchers in mathematical and numerical fluid dynamics. It is also a valuable resource for advanced graduate students in fluid dynamics, engineers, physical oceanographers, meteorologists and climatologists.
Author: W. Rodi
Publisher: Elsevier
ISBN: 008053094X
Category : Mathematics
Languages : en
Pages : 1029
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Book Description
Turbulence is one of the key issues in tackling engineering flow problems. As powerful computers and accurate numerical methods are now available for solving the flow equations, and since engineering applications nearly always involve turbulence effects, the reliability of CFD analysis depends increasingly on the performance of the turbulence models. This series of symposia provides a forum for presenting and discussing new developments in the area of turbulence modelling and measurements, with particular emphasis on engineering-related problems. The papers in this set of proceedings were presented at the 5th International Symposium on Engineering Turbulence Modelling and Measurements in September 2002. They look at a variety of areas, including: Turbulence modelling; Direct and large-eddy simulations; Applications of turbulence models; Experimental studies; Transition; Turbulence control; Aerodynamic flow; Aero-acoustics; Turbomachinery flows; Heat transfer; Combustion systems; Two-phase flows. These papers are preceded by a section containing 6 invited papers covering various aspects of turbulence modelling and simulation as well as their practical application, combustion modelling and particle-image velocimetry.
