Radiation Diffusion: An Overview of Physical and Numerical Concepts

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An overview of the physical and mathematical foundations of radiation transport is given. Emphasis is placed on how the diffusion approximation and its transport corrections arise. An overview of the numerical handling of radiation diffusion coupled to matter is also given. Discussions center on partial temperature and grey methods with comments concerning fully implicit methods. In addition finite difference, finite element and Pert representations of the div-grad operator is also discussed

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Graziani, F R January 14, 2005.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 167 times. More information about this article can be viewed below.

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An overview of the physical and mathematical foundations of radiation transport is given. Emphasis is placed on how the diffusion approximation and its transport corrections arise. An overview of the numerical handling of radiation diffusion coupled to matter is also given. Discussions center on partial temperature and grey methods with comments concerning fully implicit methods. In addition finite difference, finite element and Pert representations of the div-grad operator is also discussed

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PDF-file: 41 pages; size: 0.2 Mbytes

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  • Presented at: Open Issues in Understanding Core Collapse Supernova, Seattle, WA, United States, Jun 22 - Jun 24, 2004

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  • Report No.: UCRL-PROC-209053
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 917504
  • Archival Resource Key: ark:/67531/metadc887094

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  • January 14, 2005

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 6, 2016, 6:10 p.m.

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Graziani, F R. Radiation Diffusion: An Overview of Physical and Numerical Concepts, article, January 14, 2005; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc887094/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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