Share

Matrix Discrete Element Analysis of Geological and Geotechnical Engineering

2021-01-23 Science
Download Matrix Discrete Element Analysis of Geological and Geotechnical Engineering PDF Online Free

Author :
Release : 2021-01-23
Genre : Science
Kind : eBook
Book Rating : 241/5 ( reviews)

GET EBOOK


Book Synopsis Matrix Discrete Element Analysis of Geological and Geotechnical Engineering by : Chun Liu

Download or read book Matrix Discrete Element Analysis of Geological and Geotechnical Engineering written by Chun Liu. This book was released on 2021-01-23. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the basic structure, modeling methods, numerical calculation processes, post-processing, and system functions of MatDEM, which applies the basic principles and algorithm of the discrete element method. The discrete element method can effectively simulate the discontinuity, inhomogeneity, and large deformation damage of rock and soil. It is widely used in both research and industry. Based on the innovative matrix discrete element computing method, the author developed the high-performance discrete element software MatDEM from scratch, which can handle millions of elements in discrete element numerical simulations. This book also presents several examples of applications in geological and geotechnical engineering, including basic geotechnical engineering problems, discrete element tests, three dimensional landslides, and dynamic and multi-field coupling functions. Teaching videos and the relevant software can be accessed on the MATDEM website (http://matdem.com). The book serves as a useful reference for research and engineering staff, undergraduates, and postgraduates who work in the fields of geology, geotechnical, water conservancy, civil engineering, mining, and physics.

Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications

2007-07-18 Science
Download Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications PDF Online Free

Author :
Release : 2007-07-18
Genre : Science
Kind : eBook
Book Rating : 858/5 ( reviews)

GET EBOOK


Book Synopsis Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications by : Lanru Jing

Download or read book Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications written by Lanru Jing. This book was released on 2007-07-18. Available in PDF, EPUB and Kindle. Book excerpt: This book presents some fundamental concepts behind the basic theories and tools of discrete element methods (DEM), its historical development, and its wide scope of applications in geology, geophysics and rock engineering. Unlike almost all books available on the general subject of DEM, this book includes coverage of both explicit and implicit DEM approaches, namely the Distinct Element Methods and Discontinuous Deformation Analysis (DDA) for both rigid and deformable blocks and particle systems, and also the Discrete Fracture Network (DFN) approach for fluid flow and solute transport simulations. The latter is actually also a discrete approach of importance for rock mechanics and rock engineering. In addition, brief introductions to some alternative approaches are also provided, such as percolation theory and Cosserat micromechanics equivalence to particle systems, which often appear hand-in-hand with the DEM in the literature. Fundamentals of the particle mechanics approach using DEM for granular media is also presented.· Presents the fundamental concepts of the discrete models for fractured rocks, including constitutive models of rock fractures and rock masses for stress, deformation and fluid flow· Provides a comprehensive presentation on discrete element methods, including distinct elements, discontinuous deformation analysis, discrete fracture networks, particle mechanics and Cosserat representation of granular media· Features constitutive models of rock fractures and fracture system characterization methods detaiing their significant impacts on the performance and uncertainty of the DEM models

Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering and Earth Sciences

2004-11-23 Technology & Engineering
Download Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering and Earth Sciences PDF Online Free

Author :
Release : 2004-11-23
Genre : Technology & Engineering
Kind : eBook
Book Rating : 983/5 ( reviews)

GET EBOOK


Book Synopsis Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering and Earth Sciences by : Heinz Konietzky

Download or read book Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering and Earth Sciences written by Heinz Konietzky. This book was released on 2004-11-23. Available in PDF, EPUB and Kindle. Book excerpt: In this fully up-to-date volume, important new developments and applications of discrete element modelling are highlighted and brought together for presentation at the First International UDEC/3DEC Symposium. Papers covered the following key areas: * behaviour of masonry structures (walls, bridges, towers, columns) * stability and deformation of tunnels and caverns in fractured rock masses * geomechanical modelling for mining and waste repositories * rock reinforcement design (anchors, shotcrete, bolts) * mechanical and hydro-mechanical behaviour of dams and foundations * rock slope stability, deformation and failure mechanisms * modelling of fundamental rock mechanical problems * modelling of geological processes * constitutive laws for fractured rock masses and masonry structures * dynamic behaviour of discrete structures. Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering, and Earth Sciences provides an ultra-modern, in-depth analysis of discrete element modelling in a range of different fields, thus proving valuable reading for civil, mining, and geotechnical engineers, as well as other interested professionals.

Adaptive Analysis of Damage and Fracture in Rock with Multiphysical Fields Coupling

2020-08-31 Science
Download Adaptive Analysis of Damage and Fracture in Rock with Multiphysical Fields Coupling PDF Online Free

Author :
Release : 2020-08-31
Genre : Science
Kind : eBook
Book Rating : 97X/5 ( reviews)

GET EBOOK


Book Synopsis Adaptive Analysis of Damage and Fracture in Rock with Multiphysical Fields Coupling by : Yongliang Wang

Download or read book Adaptive Analysis of Damage and Fracture in Rock with Multiphysical Fields Coupling written by Yongliang Wang. This book was released on 2020-08-31. Available in PDF, EPUB and Kindle. Book excerpt: This book mainly focuses on the adaptive analysis of damage and fracture in rock, taking into account multiphysical fields coupling (thermal, hydro, mechanical, and chemical fields). This type of coupling is a crucial aspect in practical engineering for e.g. coal mining, oil and gas exploration, and civil engineering. However, understanding the influencing mechanisms and preventing the disasters resulting from damage and fracture evolution in rocks require high-precision and reliable solutions. This book proposes adaptive numerical algorithms and simulation analysis methods that offer significant advantages in terms of accuracy and reliability. It helps readers understand these innovative methods quickly and easily. The content consists of: (1) a finite element algorithm for modeling the continuum damage evolution in rocks, (2) adaptive finite element analysis for continuum damage evolution and determining the wellbore stability of transversely isotropic rock, (3) an adaptive finite element algorithm for damage detection in non-uniform Euler–Bernoulli beams with multiple cracks, using natural frequencies, (4) adaptive finite element–discrete element analysis for determining multistage hydrofracturing in naturally fractured reservoirs, (5) adaptive finite element–discrete element analysis for multistage supercritical CO2 fracturing and microseismic modeling, and (6) an adaptive finite element–discrete element–finite volume algorithm for 3D multiscale propagation of hydraulic fracture networks, taking into account hydro-mechanical coupling. Given its scope, the book offers a valuable reference guide for researchers, postgraduates and undergraduates majoring in engineering mechanics, mining engineering, geotechnical engineering, and geological engineering.

Distinct Element Modelling in Geomechanics

2018-12-20 Technology & Engineering
Download Distinct Element Modelling in Geomechanics PDF Online Free

Author :
Release : 2018-12-20
Genre : Technology & Engineering
Kind : eBook
Book Rating : 722/5 ( reviews)

GET EBOOK


Book Synopsis Distinct Element Modelling in Geomechanics by : K.R. Saxena

Download or read book Distinct Element Modelling in Geomechanics written by K.R. Saxena. This book was released on 2018-12-20. Available in PDF, EPUB and Kindle. Book excerpt: Linear mathematical assumptions for procedures in other branches of engineering have little relevance for geoengineering, which must accommodate non-linear behaviors. Contributors to eight papers apply the breakthrough numerical modeling Distinct Element Method (Cundall, late 1960s). The design philosophy for structures or excavations in geotechnical engineering is different from that followed for fabricated materials like steel and concrete. The designer has little data both with regard to geological weaknesses and strength and deformation characteristics of materials before finalizing the designs. Also these characteristics vary from place to place. In-situ stresses due to gravity and tectonics and transient forces imposed due to rainfall and earthquakes make the matter more complicated. The pore waters carry the load initially before passing it on to the solids. For the analytical procedure, to be realistic, it should account for large displacements and non-linear behaviour including strain-softening. Because of these considerations, the designers have followed procedures based on simplifying assumptions such as linear, small strain, elastoplastic behaviour. Numerical procedures based on such assumptions, though very popular in other branches of engineering, have made little impact in geo-engineering. An attempt has been made in this book to compile the recent use of distinct element codes for solutions of some of the problems in geomechanics — particularly those involving excavations. It is hoped that it will provide an opportunity for the fraternity of geotechnical engineers to appreciate the opening of new frontiers in the use of computers for solving more challenging geotechnical problems.

You may also like...