GEOMECHANICS FROM MICRO TO MACRO

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Geomechanics From Micro To Macro

Author : Kenichi Soga
ISBN : 9781315737324
Genre : Technology & Engineering
File Size : 23.37 MB
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Geomechanics from Micro to Macro contains 268 papers presented at the International Symposium on Geomechanics from Micro and Macro (IS-Cambridge, UK, 1-3 September 2014). The symposium created a forum for the dissemination of new advances in the micro-macro relations of geomaterial behaviour and its modelling. The papers on experimental investigations show findings from micro-scale experiments, non-destructive imaging, element testing (coarse grained materials, fine grained materials and mixtures), physical model tests and field tests. The subjects of the investigations include particle effects (shape, size and grading), partial saturation, creep and aging, fluid-grain coupling, biological and chemical effects, and thermal effects. The papers on discrete based modelling examine pre- and post-failure behaviour, particle shapes and size effects, particle crushing, dynamic behaviour, bonding effects, fracturing and fragmentation, interface behaviour, and fluid-grain coupling. The contributions on continuum based modelling include stress-strain relationships, multi-scale modelling, multiphase modelling, fluid flow modelling, and numerical modelling based on continuum based models and particle based models. Geomechanics from Micro to Macro will be of interest to academics and engineers involved in granular physics, soil mechanics, rock mechanics, geotechnical engineering and geological engineering.
Category: Technology & Engineering

Geomechanics And Geotechnics From Micro To Macro Two Volume Set

Author : Mingjing Jiang
ISBN : 0415612950
Genre : Technology & Engineering
File Size : 30.68 MB
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Soils are composed of grains but they are generally treated as continua in the classical framework of geomechanics. Their macroscopic response under loading, such as their non-linearity, yielding and anisotropy, is controlled by their micro-structure, the characteristics of the grains and the disposition of contacts between them. There have been rapid advances in technology both to investigate the microscopic properties of soils, and to simulate their granular behaviour explicitly through Discrete Element Method (DEM). DEM was originally used to reproduce element tests, but it is now being advocated for boundary-value problems. Geomechanics and Geotechnics: From Micro to Macro includes 174 peer-reviewed papers presented at the International Symposium on Geomechanics and Geotechnics: From Micro to Macro (IS-Shanghai 2010, Shanghai, China, 10-12 October 2010). The symposium provided an opportunity for the exchange of ideas and information on experiments, numerical models and engineering applications related to the discrete nature of geomaterials. The main goal was to explore further advances in the use of micro-geomechanical approaches, and by doing so to improve the understanding of macro-geomechanical phenomena by offering experiments, constitutive relations, numerical analyses and engineering applications associated with the discrete nature of geomaterials. Geomechanics and Geotechnics: From Micro to Macro will be of interest to academics and engineers involved in Soil Mechanics, Geomechanics, Geotechnical Engineering, Geoengineering and Civil Engineering.
Category: Technology & Engineering

Granular Geomechanics

Author : Matthew R. Kuhn
ISBN : 9780081010839
Genre : Technology & Engineering
File Size : 62.87 MB
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Granular Geomechanics provides a comprehensive exploration of soils as granular materials and the manner in which a soil’s engineering properties form grain-scale mechanics. The book focuses on granular composition and packing, grain interactions, discrete granular modeling and continuum constitutive modeling. Provides a coherent presentation on granular geomechanics for engineers Presents essential background information in each chapter, along with a list of works for further study Uses tensor notation, also including a brief explanation of conventions and operations in the book's appendix
Category: Technology & Engineering

Computer Methods And Recent Advances In Geomechanics

Author : Fusao Oka
ISBN : 9781315733197
Genre : Technology & Engineering
File Size : 78.85 MB
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Computer Methods and Recent Advances in Geomechanics contains the proceedings (abstracts book 472 pages + full paper USB-drive 2052 pages) of the 14th International Conference of the International Association for Computer Methods and Advances in Geomechanics (Kyoto, Japan, 22-25 September, 2014). The contributions cover computer methods, material modeling and testing, applications to a wide range of geomechanical issues, and recent advances in various areas that may not necessarily involve computer methods, including: - Development and usage of new materials; - Constitutive modeling of materials including deformation, damage and failure; - Verification of existing and new constitutive models; - Micro-macro correlations of material response including non-destructive testing; - New techniques for material and site characterization; - Computer-aided engineering and expert system; - Innovative construction using new materials and computer methods; - Design and rehabilitation of infrastructure; - Use of system and optimization procedures, and - Remote sensing. Computer Methods and Recent Advances in Geomechanics will be of interest to researchers and engineers involved in geotechnical mechanics and geo-engineering.
Category: Technology & Engineering

Numerical Models In Geomechanics

Author : G.N. Pande
ISBN : 905809636X
Genre : Technology & Engineering
File Size : 65.77 MB
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Reflecting the current research and advances made in the application of numerical methods in geotechnical engineering, this volume details proceedings of the Ninth International Symposium on 'Numerical Models in Geomechanics - NUMOG IX' held in Ottawa, Canada, 25-27 August 2004. Highlighting a number of new developments in the area, papers concentrate upon the following four main areas: * constitutive relations for geomaterials * numerical algorithms: formulation and performance * modelling of transient, coupled and dynamic problems * application of numerical techniques to practical problems. Representing the most advanced, modern findings in the field, Numerical Models in Geomechanics is a comprehensive and impeccably-researched text, ideal for students and researchers as well as practising engineers.
Category: Technology & Engineering

Geomechanics And Geotechnics Of Particulate Media

Author : Masayuki Hyodo
ISBN : 0415410975
Genre : Science
File Size : 22.25 MB
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Microscopic re-examination of geomaterials consisting of aggregates can shed light on macroscopic behaviour, including compressibility, anisotropy, yielding, creep, cyclic liquefaction and shear rupture. As a result of this process of examination, new methods of material characterization emerge, leading to a greater degree of accuracy in the specification of new constitutive models with physically-meaningful parameters. The impetus behind this development is an increasing awareness on sustainability, leading to the more efficient use of recycled materials for geotechnical applications. The characteristics of recycled materials, such as compressibility and self-hardening, may differ significantly from those of natural materials, and it is crucial that evaluation is made from a specifically particulate perspective.
Category: Science

Computer Methods And Recent Advances In Geomechanics

Author : Fusao Oka
ISBN : 9781315733197
Genre : Technology & Engineering
File Size : 39.9 MB
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Computer Methods and Recent Advances in Geomechanics contains the proceedings (abstracts book 472 pages + full paper USB-drive 2052 pages) of the 14th International Conference of the International Association for Computer Methods and Advances in Geomechanics (Kyoto, Japan, 22-25 September, 2014). The contributions cover computer methods, material modeling and testing, applications to a wide range of geomechanical issues, and recent advances in various areas that may not necessarily involve computer methods, including: - Development and usage of new materials; - Constitutive modeling of materials including deformation, damage and failure; - Verification of existing and new constitutive models; - Micro-macro correlations of material response including non-destructive testing; - New techniques for material and site characterization; - Computer-aided engineering and expert system; - Innovative construction using new materials and computer methods; - Design and rehabilitation of infrastructure; - Use of system and optimization procedures, and - Remote sensing. Computer Methods and Recent Advances in Geomechanics will be of interest to researchers and engineers involved in geotechnical mechanics and geo-engineering.
Category: Technology & Engineering

Microporomechanics

Author : Luc Dormieux
ISBN : 9780470031995
Genre : Science
File Size : 90.4 MB
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Intended as a first introduction to the micromechanics of porous media, this book entitled “Microporomechanics” deals with the mechanics and physics of multiphase porous materials at nano and micro scales. It is composed of a logical and didactic build up from fundamental concepts to state-of-the-art theories. It features four parts: following a brief introduction to the mathematical rules for upscaling operations, the first part deals with the homogenization of transport properties of porous media within the context of asymptotic expansion techniques. The second part deals with linear microporomechanics, and introduces linear mean-field theories based on the concept of a representative elementary volume for the homogenization of poroelastic properties of porous materials. The third part is devoted to Eshelby’s problem of ellipsoidal inclusions, on which much of the micromechanics techniques are based, and illustrates its application to linear diffusion and microporoelasticity. Finally, the fourth part extends the analysis to microporo-in-elasticity, that is the nonlinear homogenization of a large range of frequently encountered porous material behaviors, namely, strength homogenization, nonsaturated microporomechanics, microporoplasticity and microporofracture and microporodamage theory.
Category: Science

Wicking In Porous Materials

Author : Reza Masoodi
ISBN : 9781439874325
Genre : Technology & Engineering
File Size : 42.61 MB
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A comprehensive presentation of wicking models developed in academia and industry, Wicking in Porous Materials: Traditional and Modern Modeling Approaches contains some of the most important approaches and methods available, from the traditional Washburn-type models to the latest Lattice-Boltzmann approaches developed during the last few years. It provides a sound conceptual framework for learning the science behind different mathematical models while at the same time being aware of the practical issues of model validation as well as measurement of important properties and parameters associated with various models. Top experts in the field reveal the secrets of their wicking models. The chapters cover the following topics: Wetting and wettability Darcy’s law for single- and multi-phase flows Traditional capillary models, such as the Washburn-equation based approaches Unsaturated-flow based methodologies (Richard’s Equation) Sharp-front (plug-flow) type approaches using Darcy’s law Pore network models for wicking after including various micro-scale fluid-flow phenomena Studying the effect of evaporation on wicking using pore network models Fractal-based methods Modeling methods based on mixture theory Lattice-Boltzmann method for modeling wicking in small scales Modeling wicking in swelling and non-rigid porous media This extensive look at the modeling of porous media compares various methods and treats traditional topics as well as modern technologies. It emphasizes experimental validation of modeling approaches as well as experimental determination of model parameters. Matching models to particular media, the book provides guidance on what models to use and how to use them.
Category: Technology & Engineering

Multiscale And Multiphysics Processes In Geomechanics

Author : Ronaldo I. Borja
ISBN : 9783642196300
Genre : Science
File Size : 26.52 MB
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This state-of-the-art book contains all results and papers of the International Workshop on Multiscale and Multiphysics Processes in Geomechanics at Stanford University Campus, June 23–25, 2010.
Category: Science