Finite Element Methods for Particle Transport

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Publisher : Taylor & Francis Group
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Finite Element Methods for Particle Transport by : Ron Tunstall Ackroyd

Download or read book Finite Element Methods for Particle Transport written by Ron Tunstall Ackroyd and published by Taylor & Francis Group. This book was released on 1997 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focuses on the transport of neutral particles, neutrons and photons, using the finite element method to address practical problems in nuclear power and mineral prospecting. Includes discussions of how the method began and has matured to become a practical tool complementing the stochastic Monte Carlo method, spatial finite elements, examples of calculations, equivalent forms of the Boltzmann equation, neutron streaming in voids, some aspects of discontinuous variational solutions, complementary principles and benchmarking, time-dependent transport, and modelling three-dimensional systems. Double spaced. Annotation copyright by Book News, Inc., Portland, OR

Discontinuous Finite Element Methods for Particle Transport Problems

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Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (526 download)

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Book Synopsis Discontinuous Finite Element Methods for Particle Transport Problems by : Hiromi Stone

Download or read book Discontinuous Finite Element Methods for Particle Transport Problems written by Hiromi Stone and published by . This book was released on 2002 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Finite Element Projection Method for the Solution of Particle Transport Problems with Anisotropic Scattering

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Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis A Finite Element Projection Method for the Solution of Particle Transport Problems with Anisotropic Scattering by : Eze Ewart Wills

Download or read book A Finite Element Projection Method for the Solution of Particle Transport Problems with Anisotropic Scattering written by Eze Ewart Wills and published by . This book was released on 1984 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: A solution method for solving particle transport problems has been developed. This solution approach embodies a finite element projection technique and a related equivalent variational Raleigh-Ritz formalism. Particle flux in the transport equation is expressed as a linear and separable sum of odd and even components in the direction variables. Then a classical variational principle is obtained and shown to be equivalent to a Bubnov-Galerkin projected solution. A dual finite element basis of polynomial splines in space and spherical harmonics in angle is used in the Bubnov-Galerkin equations. The general theoretical and numerical problem formalism is carried out in a 3-dimensional geometry with anisotropic scattering and with a piecewise constant energy dependence. This is a seven-dimensional problem with time dependence, three spatial and two angular or directional variables and with a multigroup treatment of the energy dependence. The boundary conditions for most physical problems of interest are dealt with explicitly and rigorously by a classical minimization (variational) principle. The computational validation of the method was obtained by a computer solution to the air-over-ground problem. This problem is of significant interest in the areas of nuclear weapons effects and radiation physics.

The Piecewise Linear Discontinuous Finite Element Method Applied to the RZ and XYZ Transport Equations

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis The Piecewise Linear Discontinuous Finite Element Method Applied to the RZ and XYZ Transport Equations by : Teresa S Bailey

Download or read book The Piecewise Linear Discontinuous Finite Element Method Applied to the RZ and XYZ Transport Equations written by Teresa S Bailey and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation we discuss the development, implementation, analysis and testing of the Piecewise Linear Discontinuous Finite Element Method (PWLD) applied to the particle transport equation in two-dimensional cylindrical (RZ) and three-dimensional Cartesian (XYZ) geometries. We have designed this method to be applicable to radiative-transfer problems in radiation-hydrodynamics systems for arbitrary polygonal and polyhedral meshes. For RZ geometry, we have implemented this method in the Capsaicin radiative-transfer code being developed at Los Alamos National Laboratory. In XYZ geometry, we have implemented the method in the Parallel Deterministic Transport code being developed at Texas A & M University. We discuss the importance of the thick diffusion limit for radiative-transfer problems, and perform a thick diffusion-limit analysis on our discretized system for both geometries. This analysis predicts that the PWLD method will perform well in this limit for many problems of physical interest with arbitrary polygonal and polyhedral cells. Finally, we run a series of test problems to determine some useful properties of the method and verify the results of our thick diffusion limit analysis. Finally, we test our method on a variety of test problems and show that it compares favorably to existing methods. With these test problems, we also show that our method performs well in the thick diffusion limit as predicted by our analysis. Based on PWLD's solid finite-element foundation, the desirable properties it shows under analysis, and the excellent performance it demonstrates on test problems even with highly distorted spatial grids, we conclude that it is an excellent candidate for radiativetransfer problems that need a robust method that performs well in thick diffusive problems or on distorted grids.

Finite Element Modeling of Multiscale Transport Phenomena

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Author :
Publisher : World Scientific
ISBN 13 : 1848164297
Total Pages : 265 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Finite Element Modeling of Multiscale Transport Phenomena by : Vahid Nassehi

Download or read book Finite Element Modeling of Multiscale Transport Phenomena written by Vahid Nassehi and published by World Scientific. This book was released on 2011 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complex multiscale systems such as combined free or porous flow regimes and transport processes governed by combined diffusion, convection and reaction mechanisms, which cannot be readily modeled using traditional methods, can be solved by multiscale or stabilized finite element schemes. Due to the importance of the described multiscale processes in applications such as separation processes, reaction engineering and environmental systems analysis, a sound knowledge of such methods is essential for many researchers and design engineers who wish to develop reliable solutions for industrially relevant problems. The main scope of this book is to provide an authoritative description of recent developments in the field of finite element analysis, with a particular emphasis on the multiscale finite element modeling of transport phenomena and flow problem.

Physically Based Preconditioning Techniques Applied to the First Order Particle Transport and to Fluid Transport in Porous Media

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (9 download)

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Book Synopsis Physically Based Preconditioning Techniques Applied to the First Order Particle Transport and to Fluid Transport in Porous Media by : Michael Rigley

Download or read book Physically Based Preconditioning Techniques Applied to the First Order Particle Transport and to Fluid Transport in Porous Media written by Michael Rigley and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Physically based preconditioning is applied to linear systems resulting from solving the first order formulation of the particle transport equation and from solving the homogenized form of the simple flow equation for porous media flows. The first order formulation of the particle transport equation is solved two ways. The first uses a least squares finite element method resulting in a symmetric positive definite linear system which is solved by a preconditioned conjugate gradient method. The second uses a discontinuous finite element method resulting in a non-symmetric linear system which is solved by a preconditioned bi-conjugate gradient stabilized method. The flow equation is solved using a mixed finite element method. Specifically four levels of improvement are applied: homogenization of the porous media domain, a projection method for the mixed finite element method which simplifies the linear system, physically based preconditioning, and implementation of the linear solver in parallel on graphic processing units. The conjugate gradient linear solver for the least squares finite element method is also applied in parallel on graphics processing units. The physically based preconditioner is shown to perform well in each case, in relation to speed-ups gained and as compared with several algebraic preconditioners.

Erosion in Geomechanics Applied to Dams and Levees

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Publisher : John Wiley & Sons
ISBN 13 : 1118577248
Total Pages : 223 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Erosion in Geomechanics Applied to Dams and Levees by : Stephane Bonelli

Download or read book Erosion in Geomechanics Applied to Dams and Levees written by Stephane Bonelli and published by John Wiley & Sons. This book was released on 2013-04-08 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Erosion is the most common cause of failures at earth-dams, dikes and levees, whether through overtopping and overflowing, or internal erosion and piping. This book is dedicated to the phenomenon of internal erosion and piping. It is not intended to be exhaustive on the subject, but brings together some of the latest international research and advances. Emphasis is placed on physical processes, how they can be studied in the laboratory, and how test results can be applied to levees and dams. The results from several research projects in Australia, France, the Netherlands and the United States are covered by the authors. Our aim has been to share our most recent findings with students, researchers and practitioners. Understanding the failure of an earth-dam or a levee by erosion in a unified framework, whether internal erosion or surface erosion, requires continuous research in this field. We hope that the reader will gain knowledge from this book that leads to further progress in the challenging field of the safety of levees and dams. Contents 1. State of The Art on the Likelihood of Internal Erosion of Dams and Levees by Means of Testing, Robin Fell and Jean-Jacques Fry. 2. Contact Erosion, Pierre Philippe, Rémi Beguin and Yves-Henri Faure. 3. Backward Erosion Piping, Vera Van Beek, Adam Bezuijen and Hans Sellmeijer. 4. Concentrated Leak Erosion, Stéphane Bonelli, Robin Fell and Nadia Benahmed. 5. Relationship between the Erosion Properties of Soils and Other Parameters, Robin Fell, Gregory Hanson, Gontran Herrier, Didier Marot and Tony Wahl. About the Authors Stéphane Bonelli is a Research Professor at Irstea (French Environmental Sciences and Technologies Research Institute) in Aix-en-Provence, France. He has over 20 years of teaching and research experience, and has been a member of the ICOLD (International Commission on Large Dams) European Working Group on Internal Erosion since 2005. He has participated in 19 large dam reviews in France (visual inspection, monitoring data analysis and numerical modeling). His current activities include research, teaching and consultancy, focusing on soil erosion and the processes of levee breach.

Finite Element Methods for Neutron Transport Calculations

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Publisher :
ISBN 13 :
Total Pages : 496 pages
Book Rating : 4.:/5 (94 download)

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Book Synopsis Finite Element Methods for Neutron Transport Calculations by :

Download or read book Finite Element Methods for Neutron Transport Calculations written by and published by . This book was released on 1981 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Finite Element Method in Charged Particle Optics

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Publisher : Springer
ISBN 13 : 9781461552024
Total Pages : 274 pages
Book Rating : 4.5/5 (52 download)

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Book Synopsis The Finite Element Method in Charged Particle Optics by : Anjam Khursheed

Download or read book The Finite Element Method in Charged Particle Optics written by Anjam Khursheed and published by Springer. This book was released on 2012-01-06 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the span of only a few decades, the finite element method has become an important numerical technique for solving problems in the subject of charged particle optics. The situation has now developed up to the point where finite element simulation software is sold commercially and routinely used in industry. The introduction of the finite element method in charged particle optics came by way of a PHD thesis written by Eric Munro at the University of Cambridge, England, in 1971 [1], shortly after the first papers appeared on its use to solve Electrical Engineering problems in the late sixties. Although many papers on the use of the finite element method in charged particle optics have been published since Munro's pioneering work, its development in this area has not as yet appeared in any textbook. This fact must be understood within a broader context. The first textbook on the finite element method in Electrical Engineering was published in 1983 [2]. At present, there are only a handful of other books that describe it in relation to Electrical Engineering topics [3], let alone charged particle optics. This is but a tiny fraction of the books dedicated to the finite element method in other subjects such as Civil Engineering. The motivation to write this book comes from the need to redress this imbalance. There is also another important reason for writing this book.

Finite Element Method

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Publisher : Academic Press
ISBN 13 : 0128232005
Total Pages : 542 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Finite Element Method by : Sinan Muftu

Download or read book Finite Element Method written by Sinan Muftu and published by Academic Press. This book was released on 2022-07-14 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Finite Element Method: Physics and Solution Methods aims to provide the reader a sound understanding of the physical systems and solution methods to enable effective use of the finite element method. This book focuses on one- and two-dimensional elasticity and heat transfer problems with detailed derivations of the governing equations. The connections between the classical variational techniques and the finite element method are carefully explained. Following the chapter addressing the classical variational methods, the finite element method is developed as a natural outcome of these methods where the governing partial differential equation is defined over a subsegment (element) of the solution domain. As well as being a guide to thorough and effective use of the finite element method, this book also functions as a reference on theory of elasticity, heat transfer, and mechanics of beams. Covers the detailed physics governing the physical systems and the computational methods that provide engineering solutions in one place, encouraging the reader to conduct fully informed finite element analysis Addresses the methodology for modeling heat transfer, elasticity, and structural mechanics problems Extensive worked examples are provided to help the reader to understand how to apply these methods in practice

Numerical Methods for Transport and Hydraulic Processes

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Publisher : Elsevier
ISBN 13 : 0080870279
Total Pages : 483 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Numerical Methods for Transport and Hydraulic Processes by :

Download or read book Numerical Methods for Transport and Hydraulic Processes written by and published by Elsevier. This book was released on 1988-06-01 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Methods for Transport and Hydraulic Processes

The Finite Element Method

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Publisher : Taylor & Francis
ISBN 13 : 0203942353
Total Pages : 326 pages
Book Rating : 4.2/5 (39 download)

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Book Synopsis The Finite Element Method by : Darrell W. Pepper

Download or read book The Finite Element Method written by Darrell W. Pepper and published by Taylor & Francis. This book was released on 2005-10-31 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This much-anticipated second edition introduces the fundamentals of the finite element method featuring clear-cut examples and an applications-oriented approach. Using the transport equation for heat transfer as the foundation for the governing equations, this new edition demonstrates the versatility of the method for a wide range of applications, including structural analysis and fluid flow. Much attention is given to the development of the discrete set of algebraic equations, beginning with simple one-dimensional problems that can be solved by inspection, continuing to two- and three-dimensional elements, and ending with three chapters describing applications. The increased number of example problems per chapter helps build an understanding of the method to define and organize required initial and boundary condition data for specific problems. In addition to exercises that can be worked out manually, this new edition refers to user-friendly computer codes for solving one-, two-, and three-dimensional problems. Among the first FEM textbooks to include finite element software, the book contains a website with access to an even more comprehensive list of finite element software written in FEMLAB, MAPLE, MathCad, MATLAB, FORTRAN, C++, and JAVA - the most popular programming languages. This textbook is valuable for senior level undergraduates in mechanical, aeronautical, electrical, chemical, and civil engineering. Useful for short courses and home-study learning, the book can also serve as an introduction for first-year graduate students new to finite element coursework and as a refresher for industry professionals. The book is a perfect lead-in to Intermediate Finite Element Method: Fluid Flow and Heat and Transfer Applications (Taylor & Francis, 1999, Hb 1560323094).

Monte Carlo Particle Simulation and Finite-element Techniques for Tandem Mirror Transport

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Monte Carlo Particle Simulation and Finite-element Techniques for Tandem Mirror Transport by :

Download or read book Monte Carlo Particle Simulation and Finite-element Techniques for Tandem Mirror Transport written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A description is given of numerical methods used in the study of axial transport in tandem mirrors owing to Coulomb collisions and rf diffusion. The methods are Monte Carlo particle simulations and direct solution to the Fokker-Planck equations by finite-element expansion. 11 refs.

Finite Element Method Applied to Neutron Transport Problems

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Publisher :
ISBN 13 :
Total Pages : 430 pages
Book Rating : 4.:/5 (94 download)

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Book Synopsis Finite Element Method Applied to Neutron Transport Problems by :

Download or read book Finite Element Method Applied to Neutron Transport Problems written by and published by . This book was released on 1983 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Finite Element Methods for Second Order Forms of the Transport Equation

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Publisher :
ISBN 13 :
Total Pages : 346 pages
Book Rating : 4.:/5 (453 download)

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Book Synopsis Finite Element Methods for Second Order Forms of the Transport Equation by : Christopher John Gesh

Download or read book Finite Element Methods for Second Order Forms of the Transport Equation written by Christopher John Gesh and published by . This book was released on 1999 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Finite Element Methods and Their Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 3540240780
Total Pages : 415 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Finite Element Methods and Their Applications by : Zhangxin Chen

Download or read book Finite Element Methods and Their Applications written by Zhangxin Chen and published by Springer Science & Business Media. This book was released on 2005-06-23 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduce every concept in the simplest setting and to maintain a level of treatment that is as rigorous as possible without being unnecessarily abstract. Contains unique recent developments of various finite elements such as nonconforming, mixed, discontinuous, characteristic, and adaptive finite elements, along with their applications. Describes unique recent applications of finite element methods to important fields such as multiphase flows in porous media and semiconductor modelling. Treats the three major types of partial differential equations, i.e., elliptic, parabolic, and hyperbolic equations.

The Finite Element Method: Theory, Implementation, and Applications

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Publisher : Springer
ISBN 13 : 9783642447112
Total Pages : 0 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis The Finite Element Method: Theory, Implementation, and Applications by : Mats G. Larson

Download or read book The Finite Element Method: Theory, Implementation, and Applications written by Mats G. Larson and published by Springer. This book was released on 2012-12-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to the finite element method as a general computational method for solving partial differential equations approximately. Our approach is mathematical in nature with a strong focus on the underlying mathematical principles, such as approximation properties of piecewise polynomial spaces, and variational formulations of partial differential equations, but with a minimum level of advanced mathematical machinery from functional analysis and partial differential equations. In principle, the material should be accessible to students with only knowledge of calculus of several variables, basic partial differential equations, and linear algebra, as the necessary concepts from more advanced analysis are introduced when needed. Throughout the text we emphasize implementation of the involved algorithms, and have therefore mixed mathematical theory with concrete computer code using the numerical software MATLAB is and its PDE-Toolbox. We have also had the ambition to cover some of the most important applications of finite elements and the basic finite element methods developed for those applications, including diffusion and transport phenomena, solid and fluid mechanics, and also electromagnetics.​