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Some Techniques To Evaluate The Scattering Source In The Discrete Ordinate Transport Equation With Highly Anisotropic Scattering
Download Some Techniques To Evaluate The Scattering Source In The Discrete Ordinate Transport Equation With Highly Anisotropic Scattering full books in PDF, epub, and Kindle. Read online Some Techniques To Evaluate The Scattering Source In The Discrete Ordinate Transport Equation With Highly Anisotropic Scattering ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Some Techniques to Evaluate the Scattering Source in the Discrete Ordinate Transport Equation with Highly Anisotropic Scattering by : Quazi Sharfuddin
Download or read book Some Techniques to Evaluate the Scattering Source in the Discrete Ordinate Transport Equation with Highly Anisotropic Scattering written by Quazi Sharfuddin and published by . This book was released on 1980 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positive Anisotropic Group Scattering Cross Sections for Radiation Transport by : J. Mark DelGrande
Download or read book Positive Anisotropic Group Scattering Cross Sections for Radiation Transport written by J. Mark DelGrande and published by . This book was released on 1999-05-01 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: In solving the Boltzmann transport equation, most discrete ordinates codes calculate the source term by first approximating the scattering cross section using a Legendre polynomial expansion. Such expansions are insufficient when scattering is anisotropic and the Legendre expansion is truncated prematurely. This can lead to nonphysical negative cross sections, negative source terms and negative angular fluxes. While negative sources are problematic for standard discrete ordinates methods leading to poor convergence or convergence to incorrect results, they are of particular concern to exponential methods, causing such calculations to fail. We've developed and tested a new technique to solve this problem called the Monte Carlo Facet Method. This method is an extension of standard Monte Carlo techniques. It guarantees non-negative cross sections at all directional ordinates. It also ensures within group and next group scatter. This dissertation outlines previous attempts to handle anisotropic scattering to achieve non-negative sources. It develops the theory of the Monte Carlo facet method and its first angular moment conservation. Results are presented examining the scattering matrices for various materials, and finally demonstrating that these scattering matrices perform exceptionally well in a multi-group, anisotropic, unstructured mesh discrete ordinates transport code.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 1288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :962 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1976 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Modelling, Animation and Rendering by : John Vince
Download or read book Advances in Modelling, Animation and Rendering written by John Vince and published by Springer Science & Business Media. This book was released on 2002-06-27 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Advances in computer technology and developments such as the Internet provide a constant momentum to design new techniques and algorithms to support computer graphics. Modelling, animation and rendering remain principal topics in the filed of computer graphics and continue to attract researchers around the world." This volume contains the papers presented at Computer Graphics International 2002, in July, at the University of Bradford, UK. These papers represent original research in computer graphics from around the world and cover areas such as: - Real-time computer animation - Image based rendering - Non photo-realistic rendering - Virtual reality - Avatars - Geometric and solid modelling - Computational geometry - Physically based modelling - Graphics hardware architecture - Data visualisation - Data compression The focus is on the commercial application and industrial use of computer graphics and digital media systems.
Book Synopsis Anisotropic Scattering in the Transport Equation by : Kaye D. Lathrop
Download or read book Anisotropic Scattering in the Transport Equation written by Kaye D. Lathrop and published by . This book was released on 1963 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Graphics Interface 2014 by : Paul G. Kry
Download or read book Graphics Interface 2014 written by Paul G. Kry and published by CRC Press. This book was released on 2020-11-25 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the proceedings of the 40th annual Graphics Interface conference-the oldest continuously scheduled conference in the field. The book includes high-quality papers on recent advances in interactive systems, human computer interaction, and graphics from around the world. It covers the following topics: shading and rendering, geometric modeling and meshing, image-based rendering, image synthesis and realism, computer animation, real-time rendering, non-photorealistic rendering, interaction techniques, human interface devices, augmented reality, data and information visualization, mobile computing, haptic and tangible interfaces, and perception.
Book Synopsis Nuclear Fusion by Inertial Confinement by : Guillermo Velarde
Download or read book Nuclear Fusion by Inertial Confinement written by Guillermo Velarde and published by CRC Press. This book was released on 1992-12-15 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Fusion by Inertial Confinement provides a comprehensive analysis of directly driven inertial confinement fusion. All important aspects of the process are covered, including scientific considerations that support the concept, lasers and particle beams as drivers, target fabrication, analytical and numerical calculations, and materials and engineering considerations. Authors from Australia, Germany, Italy, Japan, Russia, Spain, and the U.S. have contributed to the volume, making it an internationally significant work for all scientists working in the Inertial Confinement Fusion (ICF) field, as well as for graduate students in engineering and physics with interest in ICF.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Literature 1978, Part 1 by : S. Böhme
Download or read book Literature 1978, Part 1 written by S. Böhme and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 845 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975-11 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Astronomisches Rechen-Institut Publisher :Springer Science & Business Media ISBN 13 :3662123673 Total Pages :1308 pages Book Rating :4.6/5 (621 download)
Book Synopsis Literature 1988, Part 2 by : Astronomisches Rechen-Institut
Download or read book Literature 1988, Part 2 written by Astronomisches Rechen-Institut and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 1308 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the reviews: "Astronomy and Astrophysics Abstracts has appeared in semi-annual volumes since 1969 and it has already become one of the fundamental publications in the fields of astronomy, astrophysics and neighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. ...The abstracts are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world." Space Science Reviews#1 "Dividing the whole field plus related subjects into 108 categories, each work is numbered and most are accompanied by brief abstracts. Fairly comprehensive cross-referencing links relevant papers to more than one category, and exhaustive author and subject indices are to be found at the back, making the catalogues easy to use. The series appears to be so complete in its coverage and always less than a year out of date that I shall certainly have to make a little more space on those shelves for future volumes." The Observatory Magazine#2
Book Synopsis Semi-analytical Evaluation of the Scattering Source Term in Discrete-ordinates Transport Calculations by : Joel Mark Risner
Download or read book Semi-analytical Evaluation of the Scattering Source Term in Discrete-ordinates Transport Calculations written by Joel Mark Risner and published by . This book was released on 1986 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Discrete Ordinates Transport Methods for Problems with Highly Forward-peaked Scattering by :
Download or read book Discrete Ordinates Transport Methods for Problems with Highly Forward-peaked Scattering written by and published by . This book was released on 1998 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author examines the solutions of the discrete ordinates (S{sub N}) method for problems with highly forward-peaked scattering kernels. He derives conditions necessary to obtain reasonable solutions in a certain forward-peaked limit, the Fokker-Planck (FP) limit. He also analyzes the acceleration of the iterative solution of such problems and offer improvements to it. He extends the analytic Fokker-Planck limit analysis to the S{sub N} equations. This analysis shows that in this asymptotic limit the S{sub N} solution satisfies a pseudospectral discretization of the FP equation, provided that the scattering term is handled in a certain way (which he describes) and that the analytic transport solution satisfies an analytic FP equation. Similar analyses of various spatially discretized S{sub N} equations reveal that they too produce solutions that satisfy discrete FP equations, given the same provisions. Numerical results agree with these theoretical predictions. He defines a multidimensional angular multigrid (ANMG) method to accelerate the iterative solution of highly forward-peaked problems. The analyses show that a straightforward application of this scheme is subject to high-frequency instabilities. However, by applying a diffusive filter to the ANMG corrections he is able to stabilize this method. Fourier analyses of model problems show that the resulting method is effective at accelerating the convergence rate when the scattering is forward-peaked. The numerical results demonstrate that these analyses are good predictors of the actual performance of the ANMG method.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
