Mechanical Behavior of Anisotropic Solids / Comportment Méchanique des Solides Anisotropes PDF Download
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Author: J.P. Boehler
Publisher: Springer Science & Business Media
ISBN: 9400968272
Category : Technology & Engineering
Languages : en
Pages : 926
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Book Description
In 1978, the European Mechanics Committee and the French Centre National de la Recherche Scientifique agreed to the organization of an Interna tional Colloquium on the "Mechanical Behavior of Anisotropic Solids". The meeting was held at Villard-de-Lans (near Grenoble, France) from 19th to 22 nd June 1979. The Colloquium considered mechanical aspects of the anisotropy of solids, both initial and induced by permanent deformation, anisotropic hardening and damage, oriented fissuration, etc. Topics concerned mathematical, experimental and engineering aspects of the anisotropy of metals, composites, soils and rocks. The aim of the Colloquium was to bring together experimentalists, theoretecians and engineers interested in various features of mechanical anisotropy, in order to permit an interdisciplinary exchange of understanding, experience and methods. A detailed description of the scope, aim and proposed topics is contained in the Preface. The announcement of the Colloquium attracted a large number of sub mitted contributions. Conforming with the principles of Euromech Colloquia and of the Colloques Internationaux du CNRS, the accepted contributions were limited to 50 communications. A general description of the scientific program is to be found in the Preface. Five general lectures gave state-of-the-art reports concerning some areas of the behavior of anisotropic solids; the 50 communications were divided into 12 sessions dealing with specific topics (see "Contents"). In order to facilitate subsequent contact between the reader and the contributors, full addresses are given in the "List of Authors."
Author: J.P. Boehler
Publisher: Springer Science & Business Media
ISBN: 9400968272
Category : Technology & Engineering
Languages : en
Pages : 926
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Book Description
In 1978, the European Mechanics Committee and the French Centre National de la Recherche Scientifique agreed to the organization of an Interna tional Colloquium on the "Mechanical Behavior of Anisotropic Solids". The meeting was held at Villard-de-Lans (near Grenoble, France) from 19th to 22 nd June 1979. The Colloquium considered mechanical aspects of the anisotropy of solids, both initial and induced by permanent deformation, anisotropic hardening and damage, oriented fissuration, etc. Topics concerned mathematical, experimental and engineering aspects of the anisotropy of metals, composites, soils and rocks. The aim of the Colloquium was to bring together experimentalists, theoretecians and engineers interested in various features of mechanical anisotropy, in order to permit an interdisciplinary exchange of understanding, experience and methods. A detailed description of the scope, aim and proposed topics is contained in the Preface. The announcement of the Colloquium attracted a large number of sub mitted contributions. Conforming with the principles of Euromech Colloquia and of the Colloques Internationaux du CNRS, the accepted contributions were limited to 50 communications. A general description of the scientific program is to be found in the Preface. Five general lectures gave state-of-the-art reports concerning some areas of the behavior of anisotropic solids; the 50 communications were divided into 12 sessions dealing with specific topics (see "Contents"). In order to facilitate subsequent contact between the reader and the contributors, full addresses are given in the "List of Authors."
Author: K. Helbig
Publisher: Elsevier
ISBN: 0080571557
Category : Technology & Engineering
Languages : en
Pages : 503
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Book Description
Over the last few years, anisotropy has become a "hot topic" in seismic exploration and seismology. It is now recognised that geological media deviate more or less from isotropy. This has consequences for acquisition, processing and interpretation of seismic data and also helps determine the cause of anisotropy and adds to our knowledge concerning the structure of the medium at scales beyond the resolution of the seismic method. This volume addresses the theoretical foundations of wave propagation in anisotropic media at an easily accessible level. The treatment is not restricted to exploration seismology. The book commences with fundamental material and covers the description of wave propagation in anisotropic conditions by means of slowness and wave surfaces. It continues to explore the theory of elasticity, the interaction of elasticity and material symmetry and conditions imposed by the stability of the medium. Wave propagation in general anisotropic solids are discussed referring in particular to singular and longitudinal directions. Slowness and wave surfaces in transversely isotropic media and in the planes of symmetry of orthorhombic media is presented and then moves on to wave propagation in orthorhombic media by means of "squared slowness surfaces". The latter part of the book deals with layer-induced anisotropy showing how a particular internal structure of a medium leads to anisotropy and how much of this structure can be recovered by "inversion" of the modelling algorithm. A few fundamental aspects of exploration seismology are also discussed. The final chapter discusses how concepts which were developed by Kelvin, but only recently understood, can be utilised to determine the symmetry class and orientation of an elastic medium.
Author: Philippe Mestat
Publisher: Presses des Ponts
ISBN: 9782859783624
Category :
Languages : en
Pages : 1112
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Author: Guillaume Neau
Publisher:
ISBN:
Category :
Languages : en
Pages : 110
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Book Description
Les propriétés de la propagation des ondes de Lamb en milieu anisotrope viscoélastique sont étudiées.Les variations de la vitesse de phase, de l'atténuation, de la vitesse d'énergie et de la déviation de faisceau sont décrites en fonction de la fréquence et de la direction de propagation du front de phase. Les considérations énergétiques prises en compte permettent d'étudier plus précisément la propagation de l'énergie des modes de Lamb. Ainsi, les courbes de dispersion ne sont plus décrites pour une direction de phase imposée, mais selon la direction d'observation. L'atténuation des ondes guidées le long du rayon est également détaillée. Une illustration expérimentale des propriétés décrites (vitesses de phase et d'énergie, angle de déviation, atténuation) est apportée en prenant l'exemple de plaques de carbone-époxy unidirectionnels, ainsi que de verre-époxy unidirectionnels.
Author: B.D. Coleman
Publisher: Springer Science & Business Media
ISBN: 3642886914
Category : Science
Languages : en
Pages : 143
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Book Description
Common experience reveals two basic aspects of wave propagation. First, while preserving their identity and travelling at definite speeds, sounds finally die out. Second, weak sounds may combine to form strong noises. Theories of acoustic propagation have succeeded in representing these aspects of experience separately, but never combined as in nature. The classical theories of sound in perfect fluids and elastic solids easily yield common speeds of propagation for plane infinitesimal disturbances, but no damping. Moreover, within EULER'S theory of the perfect fluid, or its generalization, the GREEN-KIRCHHOFF-KELVIN theory of finite elasticity, weak waves may grow stronger and become shock waves, which propagate according to more complicated but equally definite principles. Effects of internal damping are easily added for theories of infinitesimal deformation, but for finite motions a dead end was reached about sixty years ago. Indeed, in 1901 DUHEM proved that according to the NAVIER-STOKES theory of fluids acceleration waves and waves of higher order cannot exist, and for shock waves he claimed a similar result, which has since been shown to be valid subject to certain qualifications. So as to save the phenomena of sound and noise, as was necessary if the NAVIER-STOKES theory was to deserve the place proposed for it as a refinement upon EULER'S theory, DUHEM introduced the concept of "quasi-wave", a region of rapid but continuous transition.
Author: Lawrence J. Vanden Bos
Publisher:
ISBN:
Category : Anisotropy
Languages : en
Pages : 1
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Book Description
The equations, in rectangular co-ordinates, describing the electromagnetic field configuration in a wave guide filled with a lossless homogeneous anisotropic material are presented. The anisotropic material which completely fills the wave guide is general in the sense that it is anisotropic with respect to both the permittivity and permeability but the anisotropy is restricted to the transverse plane. The solutions of these equations for an infinite parallel plane configuration are presented and the model configuration is discussed. The modal amplitudes in the anisotropic guide when excitation is accomplished by a single incident mode in an isotropic guide and the radiation from the open end for a single and two mode guide is also discussed. (Author).
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 806
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Author: Sureadra Nath Samaddar
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
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Author: Ayman A. Mostafa
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages : 394
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Book Description
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 640
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Book Description
