Engineering Applications Of Discrete Element Method

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Engineering Applications of Discrete Element Method

Xuewen Wang,Bo Li,Rui Xia,Haozhou Ma
Engineering Applications of Discrete Element Method Book PDF

Author : Xuewen Wang,Bo Li,Rui Xia,Haozhou Ma
Publisher : Springer Nature
Page : 186 pages
File Size : 51,8 Mb
Release : 2020-09-10
Category : Science
ISBN : 9789811579776

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Engineering Applications of Discrete Element Method by Xuewen Wang,Bo Li,Rui Xia,Haozhou Ma Pdf

This book introduces the engineering application of the discrete element method (DEM), especially the simulation analysis of the typical equipment (scraper conveyor, coal silos, subsoiler) in the coal and agricultural machinery. In this book, the DEM is applied to build rigid and loose coupling model, and the kinematic effect of the bulk materials, the mechanical effect of the interaction between the bulk materials, and the mechanical equipment in the operation process of the relevant equipment are studied. On this basis, the optimization design strategy of the relevant structure is proposed. This book effectively promotes the application of DEM in engineering, analyzes the operation state, failure mechanism, and operation effect of related equipment in operation, and provides theoretical basis for the optimal design of equipment. The book is intended for undergraduate and graduate students who are interested in mechanical engineering, researchers investigating coal and agricultural machinery, and engineers working on designing related equipments.

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

Lanru Jing,Ove Stephansson
Fundamentals of Discrete Element Methods for Rock Engineering Theory and Applications Book PDF

Author : Lanru Jing,Ove Stephansson
Publisher : Elsevier
Page : 562 pages
File Size : 51,8 Mb
Release : 2007-07-18
Category : Science
ISBN : 0080551858

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Fundamentals of Discrete Element Methods for Rock Engineering: Theory and Applications by Lanru Jing,Ove Stephansson Pdf

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

Understanding the Discrete Element Method

Hans-Georg Matuttis,Jian Chen
Understanding the Discrete Element Method Book PDF

Author : Hans-Georg Matuttis,Jian Chen
Publisher : John Wiley & Sons
Page : 484 pages
File Size : 44,6 Mb
Release : 2014-06-23
Category : Science
ISBN : 9781118567203

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Understanding the Discrete Element Method by Hans-Georg Matuttis,Jian Chen Pdf

Gives readers a more thorough understanding of DEM and equips researchers for independent work and an ability to judge methods related to simulation of polygonal particles Introduces DEM from the fundamental concepts (theoretical mechanics and solidstate physics), with 2D and 3D simulation methods for polygonal particles Provides the fundamentals of coding discrete element method (DEM) requiring little advance knowledge of granular matter or numerical simulation Highlights the numerical tricks and pitfalls that are usually only realized after years of experience, with relevant simple experiments as applications Presents a logical approach starting withthe mechanical and physical bases,followed by a description of the techniques and finally their applications Written by a key author presenting ideas on how to model the dynamics of angular particles using polygons and polyhedral Accompanying website includes MATLAB-Programs providing the simulation code for two-dimensional polygons Recommended for researchers and graduate students who deal with particle models in areas such as fluid dynamics, multi-body engineering, finite-element methods, the geosciences, and multi-scale physics.

Particle-Based Methods

Eugenio Oñate,Roger Owen
Particle Based Methods Book PDF

Author : Eugenio Oñate,Roger Owen
Publisher : Springer Science & Business Media
Page : 268 pages
File Size : 52,5 Mb
Release : 2011-02-17
Category : Science
ISBN : 9789400707351

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Particle-Based Methods by Eugenio Oñate,Roger Owen Pdf

The book contains 11 chapters written by relevant scientists in the field of particle-based methods and their applications in engineering and applied sciences. The chapters cover most particle-based techniques used in practice including the discrete element method, the smooth particle hydrodynamic method and the particle finite element method. The book will be of interest to researchers and engineers interested in the fundamentals of particle-based methods and their applications.

The Combined Finite-Discrete Element Method

Antonio A. Munjiza
The Combined Finite Discrete Element Method Book PDF

Author : Antonio A. Munjiza
Publisher : John Wiley & Sons
Page : 348 pages
File Size : 54,6 Mb
Release : 2004-04-21
Category : Technology & Engineering
ISBN : 9780470020173

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The Combined Finite-Discrete Element Method by Antonio A. Munjiza Pdf

The combined finite discrete element method is a relatively new computational tool aimed at problems involving static and / or dynamic behaviour of systems involving a large number of solid deformable bodies. Such problems include fragmentation using explosives (e.g rock blasting), impacts, demolition (collapsing buildings), blast loads, digging and loading processes, and powder technology. The combined finite-discrete element method - a natural extension of both discrete and finite element methods - allows researchers to model problems involving the deformability of either one solid body, a large number of bodies, or a solid body which fragments (e.g. in rock blasting applications a more or less intact rock mass is transformed into a pile of solid rock fragments of different sizes, which interact with each other). The topic is gaining in importance, and is at the forefront of some of the current efforts in computational modeling of the failure of solids. * Accompanying source codes plus input and output files available on the Internet * Important applications such as mining engineering, rock blasting and petroleum engineering * Includes practical examples of applications areas Essential reading for postgraduates, researchers and software engineers working in mechanical engineering.

Discrete Element Methods

Benjamin K. Cook,Richard P. Jensen
Discrete Element Methods Book PDF

Author : Benjamin K. Cook,Richard P. Jensen
Publisher : Unknown
Page : 448 pages
File Size : 46,7 Mb
Release : 2002
Category : Science
ISBN : UOM:39015055479938

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Discrete Element Methods by Benjamin K. Cook,Richard P. Jensen Pdf

Proceedings of the Third International Conference on Discrete Element Methods, held in Santa Fe, New Mexico on September 23-25, 2002. This Geotechnical Special Publication contains 72 technical papers on discrete element methods (DEM), a suite of numerical techniques developed to model granular materials, rock, and other discontinua at the grain scale. Topics include: DEM formulation and implementation approaches, coupled methods, experimental validation, and techniques, including three-dimensional particle representations, efficient contact detection algorithms, particle packing schemes, and code design. Coupled methods include approaches to linking solid continuum and fluid models with DEM to simulate multiscale and multiphase phenomena. Applications include fundamental investigations of granular mechanics; micromechanical studies of powder, soil, and rock behavior; and large-scale modeling of geotechnical, material processing, mining, and petroleum engineering problems.

Proceedings of the 7th International Conference on Discrete Element Methods

Xikui Li,Yuntian Feng,Graham Mustoe
Proceedings of the 7th International Conference on Discrete Element Methods Book PDF

Author : Xikui Li,Yuntian Feng,Graham Mustoe
Publisher : Springer
Page : 1455 pages
File Size : 50,5 Mb
Release : 2016-12-01
Category : Science
ISBN : 9789811019265

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Proceedings of the 7th International Conference on Discrete Element Methods by Xikui Li,Yuntian Feng,Graham Mustoe Pdf

This book presents the latest advances in Discrete Element Methods (DEM) and technology. It is the proceeding of 7th International Conference on DEM which was held at Dalian University of Technology on August 1 - 4, 2016. The subject of this book are the DEM and related computational techniques such as DDA, FEM/DEM, molecular dynamics, SPH, Meshless methods, etc., which are the main computational methods for modeling discontinua. In comparison to continua which have been already studied for a long time, the research of discontinua is relatively new, but increases dramatically in recent years and has already become an important field. This book will benefit researchers and scientists from the academic fields of physics, engineering and applied mathematics, as well as from industry and national laboratories who are interested in the DEM.

Particulate Discrete Element Modelling

Catherine O'Sullivan
Particulate Discrete Element Modelling Book PDF

Author : Catherine O'Sullivan
Publisher : CRC Press
Page : 574 pages
File Size : 40,5 Mb
Release : 2011-04-06
Category : Technology & Engineering
ISBN : 9781482266498

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Particulate Discrete Element Modelling by Catherine O'Sullivan Pdf

Particulate discrete element analysis is becoming increasingly popular for research in geomechanics as well as geology, chemical engineering, powder technology, petroleum engineering and in studying the physics of granular materials. With increased computing power, practising engineers are also becoming more interested in using this technology for

Matrix Discrete Element Analysis of Geological and Geotechnical Engineering

Chun Liu
Matrix Discrete Element Analysis of Geological and Geotechnical Engineering Book PDF

Author : Chun Liu
Publisher : Springer Nature
Page : 306 pages
File Size : 40,5 Mb
Release : 2021-01-23
Category : Science
ISBN : 9789813345249

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Matrix Discrete Element Analysis of Geological and Geotechnical Engineering by Chun Liu Pdf

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.

Finite Element Method with Applications in Engineering

Y. M. Desai
Finite Element Method with Applications in Engineering Book PDF

Author : Y. M. Desai
Publisher : Pearson Education India
Page : 492 pages
File Size : 50,7 Mb
Release : 2011
Category : Electronic books
ISBN : 8131724646

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Finite Element Method with Applications in Engineering by Y. M. Desai Pdf

The book explains the finite element method with various engineering applications to help students, teachers, engineers and researchers. It explains mathematical modeling of engineering problems and approximate methods of analysis and different approaches.

The Finite Element Method

Zhangxin Chen
The Finite Element Method Book PDF

Author : Zhangxin Chen
Publisher : World Scientific
Page : 349 pages
File Size : 51,6 Mb
Release : 2011
Category : Technology & Engineering
ISBN : 9789814350563

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The Finite Element Method by Zhangxin Chen Pdf

A fundamental and practical introduction to the finite element method, its variants, and their applications in engineering.

Finite Element Analysis for Biomedical Engineering Applications

Z. C. Yang
Finite Element Analysis for Biomedical Engineering Applications Book PDF

Author : Z. C. Yang
Publisher : CRC Press
Page : 302 pages
File Size : 49,6 Mb
Release : 2019-03-14
Category : Mathematics
ISBN : 9780429592157

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Finite Element Analysis for Biomedical Engineering Applications by Z. C. Yang Pdf

Finite element analysis has been widely applied to study biomedical problems. This book aims to simulate some common medical problems using finite element advanced technologies, which establish a base for medical researchers to conduct further investigations. This book consists of four main parts: (1) bone, (2) soft tissues, (3) joints, and (4) implants. Each part starts with the structure and function of the biology and then follows the corresponding finite element advanced features, such as anisotropic nonlinear material, multidimensional interpolation, XFEM, fiber enhancement, UserHyper, porous media, wear, and crack growth fatigue analysis. The final section presents some specific biomedical problems, such as abdominal aortic aneurysm, intervertebral disc, head impact, knee contact, and SMA cardiovascular stent. All modeling files are attached in the appendixes of the book. This book will be helpful to graduate students and researchers in the biomedical field who engage in simulations of biomedical problems. The book also provides all readers with a better understanding of current advanced finite element technologies. Details finite element modeling of bone, soft tissues, joints, and implants Presents advanced finite element technologies, such as fiber enhancement, porous media, wear, and crack growth fatigue analysis Discusses specific biomedical problems, such as abdominal aortic aneurysm, intervertebral disc, head impact, knee contact, and SMA cardiovascular stent Explains principles for modeling biology Provides various descriptive modeling files

Particle-Based Methods

Eugenio Oñate,Roger Owen
Particle Based Methods Book PDF

Author : Eugenio Oñate,Roger Owen
Publisher : Springer
Page : 268 pages
File Size : 48,7 Mb
Release : 2014-03-21
Category : Technology & Engineering
ISBN : 9400735375

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Particle-Based Methods by Eugenio Oñate,Roger Owen Pdf

The book contains 11 chapters written by relevant scientists in the field of particle-based methods and their applications in engineering and applied sciences. The chapters cover most particle-based techniques used in practice including the discrete element method, the smooth particle hydrodynamic method and the particle finite element method. The book will be of interest to researchers and engineers interested in the fundamentals of particle-based methods and their applications.

Discrete Element Method to Model 3D Continuous Materials

Mohamed Jebahi,Damien Andre,Inigo Terreros,Ivan Iordanoff
Discrete Element Method to Model 3D Continuous Materials Book PDF

Author : Mohamed Jebahi,Damien Andre,Inigo Terreros,Ivan Iordanoff
Publisher : John Wiley & Sons
Page : 196 pages
File Size : 48,9 Mb
Release : 2015-03-30
Category : Technology & Engineering
ISBN : 9781848217706

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Discrete Element Method to Model 3D Continuous Materials by Mohamed Jebahi,Damien Andre,Inigo Terreros,Ivan Iordanoff Pdf

Complex behavior models (plasticity, cracks, visco elascticity) face some theoretical difficulties for the determination of the behavior law at the continuous scale. When homogenization fails to give the right behavior law, a solution is to simulate the material at a meso scale in order to simulate directly a set of discrete properties that are responsible of the macroscopic behavior. The discrete element model has been developed for granular material. The proposed set shows how this method is capable to solve the problem of complex behavior that are linked to discrete meso scale effects.

Granular Dynamics, Contact Mechanics and Particle System Simulations

Colin Thornton
Granular Dynamics Contact Mechanics and Particle System Simulations Book PDF

Author : Colin Thornton
Publisher : Springer
Page : 195 pages
File Size : 43,8 Mb
Release : 2015-09-03
Category : Science
ISBN : 9783319187112

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Granular Dynamics, Contact Mechanics and Particle System Simulations by Colin Thornton Pdf

This book is devoted to the Discrete Element Method (DEM) technique, a discontinuum modelling approach that takes into account the fact that granular materials are composed of discrete particles which interact with each other at the microscale level. This numerical simulation technique can be used both for dispersed systems in which the particle-particle interactions are collisional and compact systems of particles with multiple enduring contacts. The book provides an extensive and detailed explanation of the theoretical background of DEM. Contact mechanics theories for elastic, elastic-plastic, adhesive elastic and adhesive elastic-plastic particle-particle interactions are presented. Other contact force models are also discussed, including corrections to some of these models as described in the literature, and important areas of further research are identified. A key issue in DEM simulations is whether or not a code can reliably simulate the simplest of systems, namely the single particle oblique impact with a wall. This is discussed using the output obtained from the contact force models described earlier, which are compared for elastic and inelastic collisions. In addition, further insight is provided for the impact of adhesive particles. The author then moves on to provide the results of selected DEM applications to agglomerate impacts, fluidised beds and quasi-static deformation, demonstrating that the DEM technique can be used (i) to mimic experiments, (ii) explore parameter sweeps, including limiting values, or (iii) identify new, previously unknown, phenomena at the microscale. In the DEM applications the emphasis is on discovering new information that enhances our rational understanding of particle systems, which may be more significant than developing a new continuum model that encompasses all microstructural aspects, which would most likely prove too complicated for practical implementation. The book will be of interest to academic and industrial researchers working in particle technology/process engineering and geomechanics, both experimentalists and theoreticians.