Bifurcation And Localisation Theory In Geomechanics

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Bifurcation And Localisation Theory In Geomechanics

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Author : A.V. Dyskin
language : en
Publisher: CRC Press
Release Date : 2021-07-01

Bifurcation And Localisation Theory In Geomechanics written by A.V. Dyskin and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-01 with Technology & Engineering categories.

This work contains proceedings of a workshop on Bifurcation and Localisation Theory in Geomechanics, held in Perth, Australia in 1999. It covers a range of themes from classic civil engineering subjects to non-linear and non-unique geological phenomena.

Bifurcation And Localisation Theory In Geomechanics

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Author : A.V. Dyskin
language : en
Publisher: CRC Press
Release Date : 2021-06-30

Bifurcation And Localisation Theory In Geomechanics written by A.V. Dyskin and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-30 with Technology & Engineering categories.

This work contains proceedings of a workshop on Bifurcation and Localisation Theory in Geomechanics, held in Perth, Australia in 1999. It covers a range of themes from classic civil engineering subjects to non-linear and non-unique geological phenomena.

Bifurcation Analysis In Geomechanics

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Author : J. Sulem
language : en
Publisher: CRC Press
Release Date : 2004-06-02

Bifurcation Analysis In Geomechanics written by J. Sulem and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-06-02 with Architecture categories.

This book examines the experimental and theoretical aspects of bifurcation analysis as applied to geomechanics. Coverage includes basic continuum mechanics for dry and fluid unfiltrated porous media, bifurcation and stability analyses applied to layered geological media and granular materials, and theories for generalized continua as applied to materials with microstructure and in relation to strain localization phenomena.

Bifurcations Instabilities And Degradations In Geomaterials

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Author : Richard Wan
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-03-16

Bifurcations Instabilities And Degradations In Geomaterials written by Richard Wan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-16 with Science categories.

Geomaterials exhibit complex but rich mechanical behaviour with a variety of failure modes ranging from diffuse to localized deformation depending on stress, density, microstructure, and loading conditions. These failure modes are a result of an instability of material and/or geometric nature that can be studied within the framework of bifurcation theory. Degradation is another related phenomenon arising from cyclic loading, ageing, weathering, chemical attack, and capillary effects, among others. The methodology of analyzing the various types of instabilities is crucial in the adequate modelling and safe design of numerous problems in geomechanics. The present volume contains a sampling of enlarged versions of papers presented at the International Workshop on Bifurcation and Degradations in Geomaterials (IWBDG 2008) held in Lake Louise, Alberta, Canada, May 28-31, 2008. These papers capture the state-of-the-art in the specialized field of geomechanics and contemporary approaches to solving the central issue of failure. Some engineering applications are presented in the areas of energy resource extraction and soil-machine interaction.

Bifurcations Instabilities Degradation In Geomechanics

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Author : George Exadaktylos
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-04-27

Bifurcations Instabilities Degradation In Geomechanics written by George Exadaktylos and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-04-27 with Science categories.

This is an up-to-date review of developments in the field of bifurcations and instabilities in geomechanics from some of the world’s leading experts. Leading international researchers and practitioners of the topics debate the developments and applications which have occurred over the last few decades. Beside fundamental research findings, applications in geotechnical, petroleum, mining, and bulk materials engineering are emphasised.

Shear Localization In Granular Bodies With Micro Polar Hypoplasticity

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Author : J. Tejchman
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-09-27

Shear Localization In Granular Bodies With Micro Polar Hypoplasticity written by J. Tejchman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-27 with Technology & Engineering categories.

This book includes a numerical investigation of shear localization in granular materials within micro-polar hypoplasticity, which was carried out during my long research stay at the Institute of Soil and Rock Mechanics at Karlsruhe University from 1985 to 1996. I dedicate my book to Prof. Gerd Gudehus from Germany, the former head of the Institute of Rock and Soil Mechanics at Karlsruhe University and the supervisor of my scientific research during my stay in Karlsruhe, who encouraged me to deal with shear localization in granular bodies within micro-polar hypoplasticity. I greatly - preciate his profound knowledge, kind help constructive discussions, and collegial attitude to his co-workers. I am thankful to the both series editors: Prof. Wei Wu from Universität für Bodenkultur in Austria and Prof. Ronaldo Borja from Stanford University in USA for their helpful suggestions with respect to the contents and structure of the book. I am also grateful to Dr. Thomas Ditzinger and Mrs. Heather King from the Springer Publishing Company and SPS data processing team for their help in editing this book. Gdansk, Jacek Tejchman June 2008 Contents 1 Introduction......................................................................... 1 2 Literature Overview on Experiments........................................... 11 3 Theoretical Model.................................................................. 47 3.1 Hypoplastic Constitutive Model............................................. 47 3.2 Calibration of Hypoplastic Material Parameters........................... 60 3.3 Micro-polar Continuum........................................................ 67 3.4 Micro-polar Hypoplastic Constitutive Model.............................. 72 3.5 Finite Element Implementation................................................ 75 4 Finite Element Calculations: Preliminary Results............................

Bifurcations And Instabilities In Geomechanics

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Author : J.F. Labuz
language : en
Publisher: CRC Press
Release Date : 2003-01-01

Bifurcations And Instabilities In Geomechanics written by J.F. Labuz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-01 with Technology & Engineering categories.

This book contains a sampling of papers presented at the June 2-5, 2002 International Workshop on Bifurcations andamp; Instabilities in Geomechanics (IWBI 2002). The scope of the Workshop includes analytical approaches, numerical methods, and experimental techniques.

Localization And Bifurcation Theory For Soils And Rocks

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Author : Adachi Toshihisa
language : en
Publisher: CRC Press
Release Date : 1998-01-01

Localization And Bifurcation Theory For Soils And Rocks written by Adachi Toshihisa and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-01-01 with Science categories.

Strain localization, bifurcation and plastic instability phenomena play important roles as precursors of failure of geomaterials. In geomechanics, it has been recognized that stiff soils such as overconsolidated or cemented soils are progressively strained and reach failure with shear banding and that a strain-softening phenomenon in the stress-strain relation is observed on a macroscopic level. The proper modelling of strain localization and bifurcation phenomena and its role in deformation and progressive can be very significant in such engineering problems as slope stability, liquefaction, borehole stability, the stability of foundations, embankments, retaining walls, excavations and faulting, etc. Theoretical work has been directed towards developing constitutive models and analyzing strain localization. In experimental works, much effort has been made to gain insight into the development of shear bands and the measuring of shear band structures. In geotechnical practice, it is often pointed out that existing designing and/or construction techniques should be reevaluated for dealing with geostructures, which are prone to progressive failure.

Advances In Bifurcation And Degradation In Geomaterials

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Author : Stéphane Bonelli
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-03

Advances In Bifurcation And Degradation In Geomaterials written by Stéphane Bonelli and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-03 with Science categories.

This book presents contributions to the 9th International Workshop on Bifurcation and Degradation in Geomaterials held in Porquerolles, France, May 23-26, 2011. This series of conferences, started in the early 1980s, is dedicated to the research on degradation and instability phenomena in geomaterials. The volume gathers a series of manuscripts by brilliant international scholars reflecting recent trends in theoretical and experimental research in geomechanics. It incorporates contributions on topics like instability analysis, localized and diffuse failure description, multi-scale modeling and applications to geo-environmental issues. This book will be valuable for anyone interested in the research on degradation and instabilities in geomechanics and geotechnical engineering, appealing to graduate students, researchers and engineers alike.

Localisation And Bifurcation Theory For Soils And Rocks

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Author : R. Chambon
language : en
Publisher: CRC Press
Release Date : 1994-01-01

Localisation And Bifurcation Theory For Soils And Rocks written by R. Chambon and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-01 with Science categories.

This text provides a guide to localization and other related instability phenomena which can have a crucial effect in the behaviour of soils and rocks at and during rupture and which constitute the basis of a continuum theory of rupture. Applications to various engineering fields are demonstrated.