Mécanique de propagation et de bifurcation des fissures

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Publisher : Lavoisier
ISBN 13 : 2746288052
Total Pages : 306 pages
Book Rating : 4.7/5 (462 download)

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Book Synopsis Mécanique de propagation et de bifurcation des fissures by : RECHONaman

Download or read book Mécanique de propagation et de bifurcation des fissures written by RECHONaman and published by Lavoisier. This book was released on 2012-04-16 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les objectifs de la mécanique de la rupture sont double, d'une part ils concernent la description des champs mécaniques au voisinage de la pointe de la fissure et les énergies qui leur sont associées et d'autre part, ils traitent de l'évaluation de la nocivité d'une fissure en terme de la propagation de celle-ci. Deux champs d'étude constituent la structure de cet ouvrage, l'un relatif à la modélisation de la singularité induite par la pointe d'une fissure qui est relatée dans le premier tome intitulé : Modélisation des champs mécaniques en pointe de fissure et des singularités. Après un premier volume intitulé "Mécanique de la rupture par fissuration", ce deuxième tome traite des critères de propagation et de bifurcation de fissure en milieu élastique et élastoplastique sous des chargements monotones (Rupture fragile) et dynamique (Rupture par Fatigue). Les solutions analytiques obtenues ne peuvent pas être utilisées dans les structures à géométrie et conditions aux limites variées, alors il sera nécessaire de faire appel aux méthodes d'analyse numérique et plus particulièrement à la méthode des éléments finis. Deux chapitres abordent ces applications numériques : l'un, en tome I, relatif à l'introduction au calcul par éléments finis des structures fissurées et l'autre, dans le tome II traitant de la prévision de la rupture par fissuration des éléments de structures métalliques soumises à la fatigue.

Viscoplasticité, endommagement, mécanique de la rupture et mécanique du contact

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Publisher : Lavoisier
ISBN 13 : 2746243237
Total Pages : 496 pages
Book Rating : 4.7/5 (462 download)

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Book Synopsis Viscoplasticité, endommagement, mécanique de la rupture et mécanique du contact by : FRANÇOIS

Download or read book Viscoplasticité, endommagement, mécanique de la rupture et mécanique du contact written by FRANÇOIS and published by Lavoisier. This book was released on 2009-04-07 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concevoir de nouveaux matériaux de structure, allonger la durée de vie des pièces, éviter les ruptures en service font partie des préoccupations majeures des ingénieurs. Une bonne maîtrise du comportement mécanique des matériaux est essentielle pour aboutir à ce résultat. Cet ouvrage aborde ce sujet dans les domaines de la viscoplasticité, de l'endommagement, de la résistance à la fissuration et de la mécanique du contact. Faisant suite à un précédent volume sur le comportement mécanique des matériaux, consacré à l'élasticité et à l'élastoplasticité, il conserve la même démarche qui consiste, en partant des mécanismes actifs à l'échelle microscopique, à remonter aux lois macroscopiques. Le premier chapitre concerne les comportements viscoplastiques qui se manifestent, par exemple, à basse température, par une influence de la vitesse de sollicitation, ou, à haute température, par le fluage sous charge constante. Le deuxième chapitre traite des très nombreux phénomènes d'endommagement que l'on rencontre dans tous les matériaux (métalliques, polymères, verres, bétons ...), comme la cavitation, la fatigue, la corrosion sous contrainte. Le troisième chapitre donne les notions de mécanique de la rupture nécessaires pour comprendre la résistance de la fissuration. Le quatrième chapitre apporte les notions principales de mécanique du contact. Chaque chapitre est suivi d'exercices, énoncés de telle sorte que le lecteur est guidé pas à pas pour trouver la solution. De très nombreuses illustrations facilitent la lecture. Comportement mécanique des matériaux est le fruit du DEA "Mécanique et Matériaux" de la région parisienne. Il s'adresse aussi aux élèves-ingénieurs, ingénieurs et chercheurs. Les développements mathématiques y sont d'un accès facile. Les réelles difficultés, dont la maîtrise n'est pas exempte d'aspects passionnants, résident dans les fréquents changements d'échelle et dans le sens physique auquel il est fait appel.

Bifurcation and Stability of Dissipative Systems

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Publisher : Springer
ISBN 13 : 3709127122
Total Pages : 296 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Bifurcation and Stability of Dissipative Systems by : Q.S. Nguyen

Download or read book Bifurcation and Stability of Dissipative Systems written by Q.S. Nguyen and published by Springer. This book was released on 2014-05-04 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first theme concerns the plastic buckling of structures in the spirit of Hill’s classical approach. Non-bifurcation and stability criteria are introduced and post-bifurcation analysis performed by asymptotic development method in relation with Hutchinson’s work. Some recent results on the generalized standard model are given and their connection to Hill’s general formulation is presented. Instability phenomena of inelastic flow processes such as strain localization and necking are discussed. The second theme concerns stability and bifurcation problems in internally damaged or cracked colids. In brittle fracture or brittle damage, the evolution law of crack lengths or damage parameters is time-independent like in plasticity and leads to a similar mathematical description of the quasi-static evolution. Stability and non-bifurcation criteria in the sense of Hill can be again obtained from the discussion of the rate response.

Fracture Mechanics and Crack Growth

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Publisher : John Wiley & Sons
ISBN 13 : 111856328X
Total Pages : 347 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Fracture Mechanics and Crack Growth by : Naman Recho

Download or read book Fracture Mechanics and Crack Growth written by Naman Recho and published by John Wiley & Sons. This book was released on 2012-12-27 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent advances related to the following two topics: how mechanical fields close to material or geometrical singularities such as cracks can be determined; how failure criteria can be established according to the singularity degrees related to these discontinuities. Concerning the determination of mechanical fields close to a crack tip, the first part of the book presents most of the traditional methods in order to classify them into two major categories. The first is based on the stress field, such as the Airy function, and the second resolves the problem from functions related to displacement fields. Following this, a new method based on the Hamiltonian system is presented in great detail. Local and energetic approaches to fracture are used in order to determine the fracture parameters such as stress intensity factor and energy release rate. The second part of the book describes methodologies to establish the critical fracture loads and the crack growth criteria. Singular fields for homogeneous and non-homogeneous problems near crack tips, v-notches, interfaces, etc. associated with the crack initiation and propagation laws in elastic and elastic-plastic media, allow us to determine the basis of failure criteria. Each phenomenon studied is dealt with according to its conceptual and theoretical modeling, to its use in the criteria of fracture resistance; and finally to its implementation in terms of feasibility and numerical application. Contents 1. Introduction. Part 1: Stress Field Analysis Close to the Crack Tip 2. Review of Continuum Mechanics and the Behavior Laws. 3. Overview of Fracture Mechanics. 4. Fracture Mechanics. 5. Introduction to the Finite Element Analysis of Cracked Structures. Part 2: Crack Growth Criteria 6. Crack Propagation. 7. Crack Growth Prediction in Elements of Steel Structures Submitted to Fatigue. 8. Potential Use of Crack Propagation Laws in Fatigue Life Design.

Felsmechanik und Felsphysik in grosser Tiefe, allemand

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Author :
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Felsmechanik und Felsphysik in grosser Tiefe, allemand by :

Download or read book Felsmechanik und Felsphysik in grosser Tiefe, allemand written by and published by . This book was released on 1989 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Extended Finite Element Method for Crack Propagation

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 1118622693
Total Pages : 271 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Extended Finite Element Method for Crack Propagation by : Sylvie Pommier

Download or read book Extended Finite Element Method for Crack Propagation written by Sylvie Pommier and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Novel techniques for modeling 3D cracks and their evolution in solids are presented. Cracks are modeled in terms of signed distance functions (level sets). Stress, strain and displacement field are determined using the extended finite elements method (X-FEM). Non-linear constitutive behavior for the crack tip region are developed within this framework to account for non-linear effect in crack propagation. Applications for static or dynamics case are provided.

Mécanique de la rupture par fissuration

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Author :
Publisher : Lavoisier
ISBN 13 : 274628118X
Total Pages : 306 pages
Book Rating : 4.7/5 (462 download)

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Book Synopsis Mécanique de la rupture par fissuration by : RECHO Naman

Download or read book Mécanique de la rupture par fissuration written by RECHO Naman and published by Lavoisier. This book was released on 2012-04-16 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les objectifs de la mécanique de la rupture sont double, d'une part ils concernent la description des champs mécaniques au voisinage de la pointe de la fissure et les énergies qui leur sont associées et d'autre part, ils traitent de l'évaluation de la nocivité d'une fissure en terme de la propagation de celle-ci. Deux champs d'étude constituent la structure de cet ouvrage, l'un relatif à la modélisation de la singularité induite par la pointe d'une fissure qui est relatée dans le premier tome intitulé : Modélisation des champs mécaniques en pointe de fissure et des singularités. Dans ce premier tome, une introduction à la mécanique des milieux continus s'avère nécessaire. Ensuite, une démarche consistant à étudier la façon permettant de voir "Comment introduire une singularité dans un milieu continu ?" est développée. Pour ce faire, deux manières subsistent : La première, locale, consiste, d'une part, à décrire les fonctions de contraintes (voire de déformations) comme étant continues partout sauf à la pointe de la fissure et d'autre part à introduire les conditions de surfaces libres relatives aux lèvres de la fissure, il s'agit alors de l'analyse asymptotique. Quant à la seconde manière, énergétique, elle revient à évaluer le taux de restitution de l'énergie potentielle conséquente à un accroissement infinitésimal de la longueur de fissure. Le deuxième tome du livre intitulé : propagation et bifurcation de fissure, traite des critères de propagation et de bifurcation de fissure en milieu élastique et élastoplastique sous des chargement monotone (Rupture fragile) et dynamique (Rupture par Fatigue). Les solutions analytiques obtenues ne peuvent pas être utilisées dans les structures à géométrie et conditions aux limites variées, alors il sera nécessaire de faire appel aux méthodes d'analyse numérique et plus particulièrement à la méthode des éléments finis. Deux chapitres abordent ces applications numériques : l'un, en tome I, relatif à l'introduction au calcul par éléments finis des structures fissurées et l'autre, en tome II traitant de la prévision de la rupture par fissuration des éléments de structures métalliques soumises à la fatigue. Chaque phénomène étudié est abordé suivant trois volets : - sa modélisation conceptuelle et théorique, - son utilisation dans les critères de résistance à rupture - et enfin sa mise en oeuvre en terme de faisabilité et d'application numérique. Le lecteur est mis en garde quant au fait que l'essentiel des développements du livre concerne les matériaux métalliques. L'extension des conclusions au cas de matériaux composites, élastomériques et plastiques est sujet à caution.

Cracking and Damage

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Author :
Publisher : CRC Press
ISBN 13 : 1482296527
Total Pages : 567 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Cracking and Damage by : Z.P. Bazant

Download or read book Cracking and Damage written by Z.P. Bazant and published by CRC Press. This book was released on 1989-05-30 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the France-US Workshop on Strain Localization and Size Effect due to Cracking and Damage, Laboratorie de Mecanique et Technologie, Cachan, France, 6-9 September 1988.

Instabilités Plastiques

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Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Instabilités Plastiques by :

Download or read book Instabilités Plastiques written by and published by . This book was released on 1985 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Theoretical and Applied Mechanics 1992

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Publisher : Elsevier
ISBN 13 : 044460023X
Total Pages : 492 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Theoretical and Applied Mechanics 1992 by : S.R. Bodner

Download or read book Theoretical and Applied Mechanics 1992 written by S.R. Bodner and published by Elsevier. This book was released on 2012-12-02 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contained in this volume are the full texts of the invited general and sectional lectures presented at this conference concerning mechanics and its development. The entire field of mechanics is covered, including analytical, solid and fluid mechanics and their applications. A brilliant survey of work in the fields of fluid and solid mechanics is also given. The papers are written by leading experts which is reflected in the quality and diversity of the lectures and posters presented, they will provide a valuable key to the latest and most important developments in the various sub-fields of mechanics.

Introduction to Non-linear Mechanics

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Publisher : Springer Nature
ISBN 13 : 3031519205
Total Pages : 340 pages
Book Rating : 4.0/5 (315 download)

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Book Synopsis Introduction to Non-linear Mechanics by : Claude Stolz

Download or read book Introduction to Non-linear Mechanics written by Claude Stolz and published by Springer Nature. This book was released on with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Inelastic Behaviour of Plates and Shells

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Publisher : Springer Science & Business Media
ISBN 13 : 3642827764
Total Pages : 656 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Inelastic Behaviour of Plates and Shells by : Luiz Bevilacqua

Download or read book Inelastic Behaviour of Plates and Shells written by Luiz Bevilacqua and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last ten years a considerable volume of inform ation has been accumulated regarding the inelastic behaviour of materials. The increasing number of communications published in specialised journals and also the frequency of meetings in these fields, indicates a considerable research effort aimed at such topics as plasticity, creep, fatigue, visco-plasticity and the like. This fact encouraged a group of Brazilian researchers, stimulated enthusiastically by Professor P. Germain, to submit a proposal for a Symposium on the "Inelastic Behaviour of Plates and Shells" to the General Assembly of IUTAM. Brazil had recently joined IUTAM and the Brazilian Association of Mechanical Sciences was eager to host an IUTAM meeting. In the selection of the subject, it was taken into account, besides a promising number of original contributions, the interest to be raised amongst the Brazilian researchers and engineers, in order to maximise the participation of the host country. The recent steps taken in this country towards the develop ment of the aero-space industry, the construction of nuclear power plants a.nd the off-shore exploration of petroleum have required an intensification of research activities in several fields, structural behaviour of plates and shells being one of the most important. Therefore, the suggested theme would attract the interest or a significant group of Brazilian researchers and engineers and match the necessity for exchanging experience among leading scientists working in those fields.

Applications of Multiple Scaling in Mechanics

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Publisher : Elsevier Masson
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Applications of Multiple Scaling in Mechanics by : Philippe G. Ciarlet

Download or read book Applications of Multiple Scaling in Mechanics written by Philippe G. Ciarlet and published by Elsevier Masson. This book was released on 1987 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fracture mechanics of concrete: Structural application and numerical calculation

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 9400961529
Total Pages : 289 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Fracture mechanics of concrete: Structural application and numerical calculation by : George C. Sih

Download or read book Fracture mechanics of concrete: Structural application and numerical calculation written by George C. Sih and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concrete has traditionally been known as a material used widely in the construction of roads, bridges and buildings. Since cost effectiveness has always been one of the more important aspects of design, concrete, when reinforced and/or prestressed, is finding more use in other areas of application such as floating marine structures, storage tanks, nuclear vessel containments and a host of other structures. Because of the demand for concrete to operate under different loading and environmen tal conditions, increasing attention has been paid to study concrete specimens and structure behavior. A subject of major concern is how the localized segregation of the constituents in concrete would affect its global behavior. The degree of nonhomogeneity due to material property and damage. by yielding and/or cracking depends on the size scale and loading rate under consideration. Segregation or clustering of aggregates at the macroscopic level will affect specimen behavior to a larger degree than it would to a large structure such as a dam. Hence, a knowledge of concrete behavior over a wide range of scale is desired. The parameters governing micro-and macro-cracking and the techniques for evaluating and observing the damage in concrete need to be better understood. This volume is intended to be an attempt in this direction. The application of Linear Elastic Fracture Mechanics to concrete is discussed in several of the chapters.

Comportement Plastique Des Solides Anisotropes

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Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Comportement Plastique Des Solides Anisotropes by : Jean-Paul Boehler

Download or read book Comportement Plastique Des Solides Anisotropes written by Jean-Paul Boehler and published by . This book was released on 1985 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Glass Technology

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Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Advances in Glass Technology by :

Download or read book Advances in Glass Technology written by and published by . This book was released on 1962 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings

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Author :
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Proceedings by :

Download or read book Proceedings written by and published by . This book was released on 1963 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: