Theoretical Analysis of Track Generation in 3d Method of Characteristics
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Forget_Theoretical analysis.pdf
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Author(s)
Shaner, Samuel Christopher
Gunow, Geoffrey Alexander
Forget, Benoit Robert Yves
Smith, Kord S.
Date Issued
April 2015
Journal
Proceedings of ANS MC2015 - Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method ·
Publisher
American Nuclear Society
Citation
Shaner, Samuel et al. "Theoretical Analysis of Track Generatoin in 3D Method
of Characteristics." ANS MC2015 - Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, 19-23 April, 2015, LaGrange Park, IL, American Nuclear Society, 2015.
Version
Author's final manuscript
Abstract
Generating the tracks to use in a 3D Method of Characteristics (MOC) simulation is not a trivial task. The method used to generate tracks has significant implications on the memory and compute requirements for a problem and the current track generation methods have shortcomings. In this study, we provide a detailed description and analysis of the current state of the art method to generate tracks for direct 3D MOC, the Modular Ray Tracing (MRT) method. Additionally, a new global method for
generating tracks is presented that is generalizable to many geometries, domain decomposition schemes, and quadrature sets. The main difference between the global and modular track generation approaches is that the global approach does not require any knowledge of the underlying geometry discretization and is therefore more flexible in domain decomposing the geometry. Some considerations with memory
requirements and general applicability that we and others have found are discussed
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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DOI of Published Version
http://www.proceedings.com/27010.html
