Computational Granular Dynamics

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Computational Granular Dynamics

Thorsten Pöschel,T. Schwager
Computational Granular Dynamics Book PDF

Author : Thorsten Pöschel,T. Schwager
Publisher : Springer Science & Business Media
Page : 324 pages
File Size : 49,8 Mb
Release : 2005-11-04
Category : Science
ISBN : 9783540277200

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Computational Granular Dynamics by Thorsten Pöschel,T. Schwager Pdf

Computer simulations not only belong to the most important methods for the theoretical investigation of granular materials, but provide the tools that have enabled much of the expanding research by physicists and engineers. The present book is intended to serve as an introduction to the application of numerical methods to systems of granular particles. Accordingly emphasis is on a general understanding of the subject rather than on the presentation of latest advances in numerical algorithms. Although a basic knowledge of C++ is needed for the understanding of the numerical methods and algorithms in the book, it avoids usage of elegant but complicated algorithms to remain accessible for those who prefer to use a different programming language. While the book focuses more on models than on the physics of granular material, many applications to real systems are presented.

Computational Granular Dynamics

Thorsten Pöschel,T. Schwager
Computational Granular Dynamics Book PDF

Author : Thorsten Pöschel,T. Schwager
Publisher : Springer Science & Business Media
Page : 324 pages
File Size : 52,6 Mb
Release : 2005-05-20
Category : Computers
ISBN : 9783540214854

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Computational Granular Dynamics by Thorsten Pöschel,T. Schwager Pdf

This title serves as an introduction to the application of numerical methods to systems of granular particles. Accordingly, emphasis is on a general understanding of the subject rather than on the presentation of latest advances in numerical algorithms.

Computational Granular Mechanics and Its Engineering Applications

Shunying Ji,Lu Liu
Computational Granular Mechanics and Its Engineering Applications Book PDF

Author : Shunying Ji,Lu Liu
Publisher : Springer Nature
Page : 399 pages
File Size : 51,9 Mb
Release : 2020-03-18
Category : Technology & Engineering
ISBN : 9789811533044

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Computational Granular Mechanics and Its Engineering Applications by Shunying Ji,Lu Liu Pdf

This book systematically introduces readers to computational granular mechanics and its relative engineering applications. Part I describes the fundamentals, such as the generation of irregular particle shapes, contact models, macro-micro theory, DEM-FEM coupling, and solid-fluid coupling of granular materials. It also discusses the theory behind various numerical methods developed in recent years. Further, it provides the GPU-based parallel algorithm to guide the programming of DEM and examines commercial and open-source codes and software for the analysis of granular materials. Part II focuses on engineering applications, including the latest advances in sea-ice engineering, railway ballast dynamics, and lunar landers. It also presents a rational method of parameter calibration and thorough analyses of DEM simulations, which illustrate the capabilities of DEM. The computational mechanics method for granular materials can be applied widely in various engineering fields, such as rock and soil mechanics, ocean engineering and chemical process engineering.

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 : 42,5 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.

Granular Materials

Michael Sakellariou
Granular Materials Book PDF

Author : Michael Sakellariou
Publisher : BoD – Books on Demand
Page : 193 pages
File Size : 46,6 Mb
Release : 2017-09-06
Category : Science
ISBN : 9789535135050

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Granular Materials by Michael Sakellariou Pdf

This volume presents basic notions and fundamental properties of granular materials covering a wide spectrum of granular material mechanics. The granular materials may behave as fluids or solids or both. The grain size may span from microscopic to macroscopic scale. From the wet sand effect, Reynolds inspired in 1885 the notion of granular universe introducing the term "dilatancy." Bak, Tan, and Wisenfeld (1987, 1988) used the sand pile as a representative model of complex systems. In this collection of chapters, granular dynamics, granular flow from dilute to jammed states, dynamics of granular gas in microgravity, particle jetting induced by impulsive loadings, particle migration phenomena in embankment dams, and the grading entropy-based criteria of granular materials and filters are presented.

Dynamic Response of Granular and Porous Materials under Large and Catastrophic Deformations

Kolumban Hutter,Nina Kirchner
Dynamic Response of Granular and Porous Materials under Large and Catastrophic Deformations Book PDF

Author : Kolumban Hutter,Nina Kirchner
Publisher : Springer Science & Business Media
Page : 430 pages
File Size : 49,5 Mb
Release : 2013-02-26
Category : Technology & Engineering
ISBN : 9783540365655

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Dynamic Response of Granular and Porous Materials under Large and Catastrophic Deformations by Kolumban Hutter,Nina Kirchner Pdf

A "Sonderforschungsbereich" (SFB) is a programme of the "Deutsche For schungsgemeinschaft" to financially support a concentrated research effort of a number of scientists located principally at one University, Research La boratory or a number of these situated in close proximity to one another so that active interaction among individual scientists is easily possible. Such SFB are devoted to a topic, in our case "Deformation and Failure in Metallic and Granular M aterialK' , and financing is based on a peer reviewed proposal for three (now four) years with the intention of several prolongations after evaluation of intermediate progress and continuation reports. An SFB is terminated in general by a formal workshop, in which the state of the art of the achieved results is presented in oral or I and poster communications to which also guests are invited with whom the individual project investigators may have collaborated. Moreover, a research report in book form is produced in which a number of articles from these lectures are selected and collected, which present those research results that withstood a rigorous reviewing pro cess (with generally two or three referees). The theme deformation and failure of materials is presented here in two volumes of the Lecture Notes in Applied and Computational Mechanics by Springer Verlag, and the present volume is devoted to granular and porous continua. The complementary volume (Lecture Notes in Applied and Com putational Mechanics, vol. 10, Eds. K. HUTTER & H.

Experimental and Computational Techniques in Soft Condensed Matter Physics

Jeffrey Olafsen
Experimental and Computational Techniques in Soft Condensed Matter Physics Book PDF

Author : Jeffrey Olafsen
Publisher : Cambridge University Press
Page : 339 pages
File Size : 51,9 Mb
Release : 2010-09-02
Category : Science
ISBN : 9781139489812

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Experimental and Computational Techniques in Soft Condensed Matter Physics by Jeffrey Olafsen Pdf

Soft condensed matter physics relies on a fundamental understanding at the interface between physics, chemistry, biology, and engineering for a host of materials and circumstances that are related to, but outside, the traditional definition of condensed matter physics. Featuring contributions from leading researchers in the field, this book uniquely discusses both the contemporary experimental and computational manifestations of soft condensed matter systems. From particle tracking and image analysis, novel materials and computational methods, to confocal microscopy and bacterial assays, this book will equip the reader for collaborative and interdisciplinary research efforts relating to a range of modern problems in nonlinear and non-equilibrium systems. It will enable both graduate students and experienced researchers to supplement a more traditional understanding of thermodynamics and statistical systems with knowledge of the techniques used in contemporary investigations. Color versions of a selection of the figures are available at www.cambridge.org/9780521115902.

Computational Fluid Dynamics and the Theory of Fluidization

Huilin Lu,Dimitri Gidaspow,Shuyan Wang
Computational Fluid Dynamics and the Theory of Fluidization Book PDF

Author : Huilin Lu,Dimitri Gidaspow,Shuyan Wang
Publisher : Springer Nature
Page : 198 pages
File Size : 48,9 Mb
Release : 2021-05-03
Category : Technology & Engineering
ISBN : 9789811615580

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Computational Fluid Dynamics and the Theory of Fluidization by Huilin Lu,Dimitri Gidaspow,Shuyan Wang Pdf

This book is for engineers and students to solve issues concerning the fluidized bed systems. It presents an analysis that focuses directly on the problem of predicting the fluid dynamic behavior which empirical data is limited or unavailable. The second objective is to provide a treatment of computational fluidization dynamics that is readily accessible to the non-specialist. The approach adopted in this book, starting with the formulation of predictive expressions for the basic conservation equations for mass and momentum using kinetic theory of granular flow. The analyses presented in this book represent a body of simulations and experiments research that has appeared in numerous publications over the last 20 years. This material helps to form the basis for university course modules in engineering and applied science at undergraduate and graduate level, as well as focused, post-experienced courses for the process, and allied industries.

Mechanics of Granular Matter

Qicheng Sun,Guangqian Wang
Mechanics of Granular Matter Book PDF

Author : Qicheng Sun,Guangqian Wang
Publisher : WIT Press
Page : 209 pages
File Size : 43,8 Mb
Release : 2013
Category : Technology & Engineering
ISBN : 9781845646448

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Mechanics of Granular Matter by Qicheng Sun,Guangqian Wang Pdf

Focussing on the basic mechanics and underlying physics of granular material, Mechanics of Granular Matter starts with an introduction to contact mechanics of individual particles before moving on to a discussion of the structure of force chain networks and the influence on bulk mechanical properties of granular solids and granular flows. Furthermore, a preliminary multi scale framework is proposed for the nonlinear mechanics and strain localization in granular materials.

Modeling Approaches and Computational Methods for Particle-laden Turbulent Flows

Shankar Subramaniam,S. Balachandar
Modeling Approaches and Computational Methods for Particle laden Turbulent Flows Book PDF

Author : Shankar Subramaniam,S. Balachandar
Publisher : Academic Press
Page : 588 pages
File Size : 49,8 Mb
Release : 2022-10-20
Category : Science
ISBN : 9780323901345

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Modeling Approaches and Computational Methods for Particle-laden Turbulent Flows by Shankar Subramaniam,S. Balachandar Pdf

Modelling Approaches and Computational Methods for Particle-laden Turbulent Flows introduces the principal phenomena observed in applications where turbulence in particle-laden flow is encountered while also analyzing the main methods for analyzing numerically. The book takes a practical approach, providing advice on how to select and apply the correct model or tool by drawing on the latest research. Sections provide scales of particle-laden turbulence and the principal analytical frameworks and computational approaches used to simulate particles in turbulent flow. Each chapter opens with a section on fundamental concepts and theory before describing the applications of the modelling approach or numerical method. Featuring explanations of key concepts, definitions, and fundamental physics and equations, as well as recent research advances and detailed simulation methods, this book is the ideal starting point for students new to this subject, as well as an essential reference for experienced researchers. Provides a comprehensive introduction to the phenomena of particle laden turbulent flow Explains a wide range of numerical methods, including Eulerian-Eulerian, Eulerian-Lagrange, and volume-filtered computation Describes a wide range of innovative applications of these models

Segregation in Vibrated Granular Systems

Anthony D. Rosato,Christopher Windows-Yule
Segregation in Vibrated Granular Systems Book PDF

Author : Anthony D. Rosato,Christopher Windows-Yule
Publisher : Academic Press
Page : 320 pages
File Size : 50,8 Mb
Release : 2020-06-05
Category : Technology & Engineering
ISBN : 9780128142004

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Segregation in Vibrated Granular Systems by Anthony D. Rosato,Christopher Windows-Yule Pdf

Segregation in Vibrated Granular Systems explains the individual mechanisms that influence the segregation of granular media under vibration, along with their interactions. Drawing on research from a wide range of academic disciplines, the book focuses on vibrated granular systems that are used in industry, providing a guide that will solve practical problems and help researchers. The applications of vibration-based segregation in industries, including pharmaceuticals, mining, food and chemical processing are all investigated with appropriate examples. In addition, relevant theory behind the behavior of granular media and segregation processes is explained, along with investigations of the technologies and techniques used. Analyzes all phenomena involved in the vibration-based segregation of bulk solids, including those relating to size, material properties and shape Explores how different segregation mechanisms interact Compares different technologies for investigating granular media, including PIV, MRI and X-ray tomography Explains how to use computational techniques to model the behavior of granular media, including DM, CFD and FEM

Material Computation

Achim Menges
Material Computation Book PDF

Author : Achim Menges
Publisher : John Wiley & Sons
Page : 147 pages
File Size : 49,5 Mb
Release : 2012-04-02
Category : Architecture
ISBN : 9780470973301

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Material Computation by Achim Menges Pdf

The production of architecture, both intellectually and physically, is on the brink of a fundamental change. Computational design enables architects to integrate ever more multifaceted and complex design information, while the industrial logics of conventional building construction are eroding rapidly in a context of increasingly ubiquitous computer-controlled manufacturing and fabrication. A novel convergence of computation and materialisation is about to emerge, bringing the virtual process of design and the physical realisation of architecture much closer together, more so than ever before. Computation provides a powerful agency for both informing the design process through specific material behaviour and characteristics, and in turn informing the organisation of matter and material across multiple scales based on feedback from the environment. Computational design and integrated materialisation processes allow for uncovering the inherent morphogenetic potential of materials and thus are opening up a largely uncharted field of possibilities for the way the built environment in the 21st century is conceived and produced. In order to effectively introduce and outline the enabling power of computational design along with its inherent relationship to a biological paradigm, this publication looks at formation and materialisation in nature, integrative computational design, and engineering and manufacturing integration. Architectural contributors include: Cristiano Cecatto, Neri Oxman, Skylar Tibbits and Michael Weinstock. A scientific perspective by Philip Ball and J Scott Turner. Features: Buro Happold's SMART group, DiniTech, Foster + Partners' Specialist Modelling Group, the Freeform Construction group and Stuttgart University's Institute for Computational Design.

Dynamics of Charged Particulate Systems

Tarek I. Zohdi
Dynamics of Charged Particulate Systems Book PDF

Author : Tarek I. Zohdi
Publisher : Springer Science & Business Media
Page : 124 pages
File Size : 43,5 Mb
Release : 2012-04-05
Category : Technology & Engineering
ISBN : 9783642285196

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Dynamics of Charged Particulate Systems by Tarek I. Zohdi Pdf

The objective of this monograph is to provide a concise introduction to the dynamics of systems comprised of charged small-scale particles. Flowing, small-scale, particles ("particulates'') are ubiquitous in industrial processes and in the natural sciences. Applications include electrostatic copiers, inkjet printers, powder coating machines, etc., and a variety of manufacturing processes. Due to their small-scale size, external electromagnetic fields can be utilized to manipulate and control charged particulates in industrial processes in order to achieve results that are not possible by purely mechanical means alone. A unique feature of small-scale particulate flows is that they exhibit a strong sensitivity to interparticle near-field forces, leading to nonstandard particulate dynamics, agglomeration and cluster formation, which can strongly affect manufactured product quality. This monograph also provides an introduction to the mathematically-related topic of the dynamics of swarms of interacting objects, which has gained the attention of a number of scientific communities. In summary, the following topics are discussed in detail: (1) Dynamics of an individual charged particle, (2) Dynamics of rigid clusters of charged particles, (3) Dynamics of flowing charged particles, (4) Dynamics of charged particle impact with electrified surfaces and (5) An introduction to the mechanistic modeling of swarms. The text can be viewed as a research monograph suitable for use in an upper division undergraduate or first year graduate course geared towards students in the applied sciences, mechanics and mathematics that have an interest in the analysis of particulate materials.

Frontier Computing

Neil Y. Yen,Jason C Hung
Frontier Computing Book PDF

Author : Neil Y. Yen,Jason C Hung
Publisher : Springer
Page : 1011 pages
File Size : 44,7 Mb
Release : 2017-09-28
Category : Technology & Engineering
ISBN : 9789811031878

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Frontier Computing by Neil Y. Yen,Jason C Hung Pdf

This volume contains the proceedings of the 5th International Conference on Frontier Computing (FC 2016), Tokyo, Japan, July 13-15, 2016. This international meeting provided a forum for researchers to share current understanding of recent advances and emergence in information technology, science, and engineering, with themes in the scope of Communication Networks, Business Intelligence and Knowledge Management, Web Intelligence, and any related fields that further the development of information technology. The articles presented cover a wide spectrum of topics: database and data mining, networking and communications, web and internet of things, embedded system, soft computing, social network analysis, security and privacy, optics communication, and ubiquitous/pervasive computing. Many papers report results of great academic potential and value, and in addition, indicate promising directions of research in the focused realm of this conference series. Readers, including students, academic researchers, and professionals, will benefit from the results presented in this book. It also provides an overview of current research and can be used as a guidebook for those new to the field.

Granular Dynamics

Aibing Yu
Granular Dynamics Book PDF

Author : Aibing Yu
Publisher : Springer
Page : 500 pages
File Size : 47,6 Mb
Release : 2018-03-15
Category : Science
ISBN : 981287139X

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Granular Dynamics by Aibing Yu Pdf

The aim of this handbook is to provide a comprehensive summary of the field of Particle Science and Technology which includes most updated research findings and their applications in different industries. It is hoped that the consolidated knowledge described by this handbook will inspire more innovative ideas to bring the field forward. The size of the particles may range from nanometer scale, as in pigments or aerosols, to that of mined or quarried materials. The handbook will cover the topics ranging from the formation and synthesis, packing and flow, and application of these particles. Each part is explored in great details in different sections and chapters, it is written by a pool of international well known scholars, as well as industrial experts. The handbook fully reflects the state of the art in Particle Science and Technology