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Author: Sebastian Schmidt
Publisher:
ISBN:
Category :
Languages : en
Pages : 113
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Book Description
Author: Sebastian Schmidt
Publisher:
ISBN:
Category :
Languages : en
Pages : 113
Get Book Here
Book Description
Author: Sebastian Schmidt
Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN: 9783838110431
Category :
Languages : de
Pages : 156
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Book Description
In the broad field of numerical simulation of granular flow, many distinct challenges are faced. Aside from the nontrivial task of defining ``granular flow'', the first challenge is its modeling. Still no common scientific agreement has been reached for the exact equations. The vast majority of publications distinctively treats either dilute or dense regimes. Common to nearly all models, the contained equations in their full complexity are very difficult to solve by available numerical methods. The author develops an interdisciplinary approach to the simulation of granular flow in all regimes using a hydrodynamic view on modeling. A system of partial differential equations and constitutive relations is derived through the kinetic theory of granular gases with extensions from soil mechanics. The author introduces a novel nonlinear fractional step approach, which is able to numerically obtain approximate solutions. The simulation method, including modeling and numerics is implemented within a software framework for the generic solution of complex rheology problems developed by the author which results in this in-itself closed method for the numerical simulation of granular flow.
Author: Nan Gui
Publisher: Elsevier
ISBN: 0128163984
Category : Computers
Languages : en
Pages : 386
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Book Description
Gas-Particle and Granular Flow Systems: Coupled Numerical Methods and Applications breaks down complexities, details numerical methods (including basic theory, modeling and techniques in programming), and provides researchers with an introduction and starting point to each of the disciplines involved. As the modeling of gas-particle and granular flow systems is an emerging interdisciplinary field of study involving mathematics, numerical methods, computational science, and mechanical, chemical and nuclear engineering, this book provides an ideal resource for new researchers who are often intimidated by the complexities of fluid-particle, particle-particle, and particle-wall interactions in many disciplines. Presents the most recent advances in modeling of gas-particle and granular flow systems Features detailed and multidisciplinary case studies at the conclusion of each chapter to underscore key concepts Discusses coupled methods of particle and granular flow systems theory and includes advanced modeling tools and numerical techniques
Author: Rongqing Dai
Publisher:
ISBN:
Category :
Languages : en
Pages : 304
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Book Description
"The investigations of three different topics of granular flows are reported in this thesis. (i) Second order solutions for granular simple shear flows are derived in the framework of granular kinetic theory. Compared to the first order solutions and the inconsistent second order solutions, the second order solutions of the present study provide better predictions of the numerical simulation results. (ii) Granular shear flows within narrow gaps and unbounded fields are studied by a molecular dynamics type discrete element simulation method. The effects of inelasticity and mean solids fraction on the distributions of granular temperatures, solids fractions and number densities of particle centers, and local mean velocities are examined. The slip velocities of bounded shear flows are calculated and the results are compared with the predictions of existing theories. (iii) Granular self-diffusion is investigated through both a kinetic theory and numerical simulation approaches by employing the time correlation function expression to determine the diffusion coefficient. The theoretical predictions agree very well with the simulation results for smooth particles at low concentrations, but at high concentrations the kinetic theory diffusion coefficients are lower than those determined in the computer simulations. The surface friction effect is examined numerically, and it is found that rough particles are less diffusive than smooth ones." --
Author: Nan Gui
Publisher: Elsevier
ISBN: 0128163992
Category : Science
Languages : en
Pages : 388
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Book Description
Gas-Particle and Granular Flow Systems: Coupled Numerical Methods and Applications breaks down complexities, details numerical methods (including basic theory, modeling and techniques in programming), and provides researchers with an introduction and starting point to each of the disciplines involved. As the modeling of gas-particle and granular flow systems is an emerging interdisciplinary field of study involving mathematics, numerical methods, computational science, and mechanical, chemical and nuclear engineering, this book provides an ideal resource for new researchers who are often intimidated by the complexities of fluid-particle, particle-particle, and particle-wall interactions in many disciplines. - Presents the most recent advances in modeling of gas-particle and granular flow systems - Features detailed and multidisciplinary case studies at the conclusion of each chapter to underscore key concepts - Discusses coupled methods of particle and granular flow systems theory and includes advanced modeling tools and numerical techniques
Author: Claas Sven Bierwisch
Publisher:
ISBN: 9783832283384
Category :
Languages : en
Pages : 144
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Book Description
Author: Siwa Tipthavonnukul
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 226
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Book Description
Author: Cuong Ha-Minh
Publisher: Springer Nature
ISBN: 981150802X
Category : Science
Languages : en
Pages : 1264
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Book Description
This book presents selected articles from the 5th International Conference on Geotechnics, Civil Engineering Works and Structures, held in Ha Noi, focusing on the theme “Innovation for Sustainable Infrastructure”, aiming to not only raise awareness of the vital importance of sustainability in infrastructure development but to also highlight the essential roles of innovation and technology in planning and building sustainable infrastructure. It provides an international platform for researchers, practitioners, policymakers and entrepreneurs to present their recent advances and to exchange knowledge and experience on various topics related to the theme of “Innovation for Sustainable Infrastructure”.
Author: Tomaso Aste
Publisher: World Scientific
ISBN: 9812771980
Category : Science
Languages : en
Pages : 268
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Book Description
The science of complex materials continues to engage researchers from a vast range of disciplines, including physics, mathematics, computational science, and virtually all domains of engineering.This volume presents a unique multidisciplinary panorama of the current research in complex materials. The contributions explore an array of problems reflecting recent developments in four main areas: characterization and modeling of disordered packings, micromechanics and continuum theory; discrete element method; statistical mechanics. The common theme is the quest to unravel the connection between the microscopic and macroscopic properties of complex materials.
Author: K. Kesava Rao
Publisher:
ISBN: 9780511457296
Category : Technology & Engineering
Languages : en
Pages : 514
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Book Description
This book describes theories for granular flow based on continuum models and alternative discrete models.
