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Author: Christian Avallet
Publisher:
ISBN:
Category :
Languages : fr
Pages : 9
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Book Description
ON FAIT UN CALCUL D'HOMOGENEISATION DES MILIEUX POREUX SATURES DEFORMABLES, MENANT A UNE DYNAMIQUE HEREDITAIRE. ON CALCULE LE COEFFICIENT DYNAMIQUE ET LES FONCTIONS DE MEMOIRE DU REGIME TRANSITOIRE. ON APPLIQUE CETTE THEORIE AUX RESULTATS D'UN AMORTISSEUR A STRUCTURE PERIODIQUE FINE. ON UTILISE ENFIN LES EQUATIONS DYNAMIQUES OBTENUES POUR DECRIRE LA PROPAGATION D'ONDES LONGITUDINALES DANS LES MILIEUX POREUX SATURES DEFORMABLES ET ON L'APPLIQUE A DES MILIEUX A STRUCTURE ALEATOIRE
Author: Christian Avallet
Publisher:
ISBN:
Category :
Languages : fr
Pages : 9
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Book Description
ON FAIT UN CALCUL D'HOMOGENEISATION DES MILIEUX POREUX SATURES DEFORMABLES, MENANT A UNE DYNAMIQUE HEREDITAIRE. ON CALCULE LE COEFFICIENT DYNAMIQUE ET LES FONCTIONS DE MEMOIRE DU REGIME TRANSITOIRE. ON APPLIQUE CETTE THEORIE AUX RESULTATS D'UN AMORTISSEUR A STRUCTURE PERIODIQUE FINE. ON UTILISE ENFIN LES EQUATIONS DYNAMIQUES OBTENUES POUR DECRIRE LA PROPAGATION D'ONDES LONGITUDINALES DANS LES MILIEUX POREUX SATURES DEFORMABLES ET ON L'APPLIQUE A DES MILIEUX A STRUCTURE ALEATOIRE
Author: Lionel Borne
Publisher:
ISBN:
Category :
Languages : fr
Pages : 7
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Book Description
ON RAPPELLE LES RESULTATS OBTENUS POUR LA DESCRIPTION DU COMPORTEMENT DYNAMIQUE MACROSCOPIQUE DES MILIEUX POREUX SATURES. ON MET EN EVIDENCE UNE LOI DE FILTRATION DYNAMIQUE (LOI DE DARCY GENERALISEE). ON FAIT UNE ETUDE GENERALISEE DE CETTE LOI PAR LA METHODE DES ELEMENTS FINIS, PUIS UNE ETUDE ASYMPTOTIQUE POUR LES GRANDES FREQUENCES QUI PERMET DE DEGAGER QUELQUES PARAMETRES GEOMETRIQUES CARACTERISANT LES PORES. ON PRESENTE UNE ETUDE EXPERIMENTALE DE LA LOI DE DARCY GENERALISEE. ON OBTIENT LE COEFFICIENT DE DARCY DYNAMIQUE DU MILIEU, SIGNATURE DU POREUX DANS L'ESPACE DES FREQUENCES. ON MONTRE L'IMPORTANCE DE LA SIGNATURE POUR DES CALCULS CONCRETS: CALCUL D'UN AMORTISSEUR, APPLICATION AUX CALCULS DE PROPAGATION D'ONDES
Author: J. Gittus
Publisher: Springer Science & Business Media
ISBN: 9400934076
Category : Technology & Engineering
Languages : en
Pages : 501
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Book Description
Author: F. Darve
Publisher: CRC Press
ISBN: 0203498054
Category : Architecture
Languages : en
Pages : 435
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Book Description
Author: Jean-Louis Auriault
Publisher: John Wiley & Sons
ISBN: 0470610441
Category : Technology & Engineering
Languages : en
Pages : 479
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Book Description
Both naturally-occurring and man-made materials are often heterogeneous materials formed of various constituents with different properties and behaviours. Studies are usually carried out on volumes of materials that contain a large number of heterogeneities. Describing these media by using appropriate mathematical models to describe each constituent turns out to be an intractable problem. Instead they are generally investigated by using an equivalent macroscopic description - relative to the microscopic heterogeneity scale - which describes the overall behaviour of the media. Fundamental questions then arise: Is such an equivalent macroscopic description possible? What is the domain of validity of this macroscopic description? The homogenization technique provides complete and rigorous answers to these questions. This book aims to summarize the homogenization technique and its contribution to engineering sciences. Researchers, graduate students and engineers will find here a unified and concise presentation. The book is divided into four parts whose main topics are Introduction to the homogenization technique for periodic or random media, with emphasis on the physics involved in the mathematical process and the applications to real materials. Heat and mass transfers in porous media Newtonian fluid flow in rigid porous media under different regimes Quasi-statics and dynamics of saturated deformable porous media Each part is illustrated by numerical or analytical applications as well as comparison with the self-consistent approach.
Author: Claude Boutin
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
ETUDE DE LA PROPAGATION DES ONDES DANS LES MILIEUX POREUX SATURES DEFORMABLES. MESURES DE LA PERMEABILITE DYNAMIQUE. DETERMINATION ET ETUDE DES FONCTIONS DE GREEN ET DES SORUCES ASSOCIEES
Author: Olivier Coussy
Publisher: Editions TECHNIP
ISBN: 9782710805953
Category : Fluid mechanics
Languages : fr
Pages : 472
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Author: Jacob Bear
Publisher: Springer Science & Business Media
ISBN: 9401136289
Category : Technology & Engineering
Languages : en
Pages : 807
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Book Description
This volume contains the invited lectures presented during the NATO/ASI conducted in Pullman, Washington, July 9-18, 1989. This is the third in a series of NATO/ASIs on transport phenomena in porous media. The first two, which took place at Newark, Delaware in 1982 and 1985, are devoted to various topics related to the Fundamentals of Transport Processes in Porous Media. The contents of the books resulting from previous NATO/ASIs are given at the end of this book. Transport of extensive quantities such as mass of a fluid phase, mass of chemical species carried by a fluid phase, energy and electric charge in porous media, as encountered in a large variety of engineering disciplines, is an emerging interdisciplinary field. The groundwater flow, the simultaneous flow of gas, oil and water in petroleum reservoirs, the movement and accumulation of pollutants in the saturated and unsaturated subsurface zones, thermal energy storage in reservoirs, land subsidence in response to charges in overburden loads, or to pumping of fluids from underground formations, wave propagation in seismic investigations or as produced by earthquakes, chemical reactors, water flow through sand filters and the movement of fluids through kidneys, may serve as examples of fields in which the theory of transport in porous media is employed.
Author: N. Cristescu
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 306
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Book Description
The first part of the volume contains theoretical considerations of the physical properties of soils and rocks. Articles on the mechanical and kinematical behavior of rocks as well as mathematical models are the base for the understanding of the physical properties of natural systems. In the second part articles deal with experiments and applications regarding creep deformation of clay, underground cavities, tunnels and deformation of sand and lamistrine sediments.
Author: Samia Rafraf
Publisher:
ISBN: 9783841679710
Category :
Languages : fr
Pages :
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