Coupling 2-D cylindrical and 3-D x-y-z transport computations

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Description

This paper describes a new two-dimensional (2-D) cylindrical geometry to three-dimensional (3-D) rectangular x-y-z splice option for multi-dimensional discrete ordinates solutions to the neutron (photon) transport equation. Of particular interest are the simple transformations developed and applied in order to carry out the required spatial and angular interpolations. The spatial interpolations are linear and equivalent to those applied elsewhere. The angular interpolations are based on a high order spherical harmonics representation of the angular flux. Advantages of the current angular interpolations over previous work are discussed. An application to an intricate streaming problem is provided to demonstrate the advantages of ... continued below

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15 p.

Creation Information

Abu-Shumays, I.K.; Yehnert, C.E. & Pitcairn, T.N. June 30, 1998.

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  • Bettis Atomic Power Laboratory
    Publisher Info: Bettis Atomic Power Lab., West Mifflin, PA (United States)
    Place of Publication: West Mifflin, Pennsylvania

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Description

This paper describes a new two-dimensional (2-D) cylindrical geometry to three-dimensional (3-D) rectangular x-y-z splice option for multi-dimensional discrete ordinates solutions to the neutron (photon) transport equation. Of particular interest are the simple transformations developed and applied in order to carry out the required spatial and angular interpolations. The spatial interpolations are linear and equivalent to those applied elsewhere. The angular interpolations are based on a high order spherical harmonics representation of the angular flux. Advantages of the current angular interpolations over previous work are discussed. An application to an intricate streaming problem is provided to demonstrate the advantages of the new method for efficient and accurate prediction of particle behavior in complex geometries.

Physical Description

15 p.

Notes

INIS; OSTI as DE98007217

Source

  • International conference on the physics of nuclear science and technology, Long Island, NY (United States), 5-8 Oct 1998

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  • Other: DE98007217
  • Report No.: WAPD-T--3086
  • Report No.: CONF-981003--
  • Grant Number: AC11-93PN38195
  • Office of Scientific & Technical Information Report Number: 663276
  • Archival Resource Key: ark:/67531/metadc703773

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  • June 30, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 16, 2016, 6:17 p.m.

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Abu-Shumays, I.K.; Yehnert, C.E. & Pitcairn, T.N. Coupling 2-D cylindrical and 3-D x-y-z transport computations, article, June 30, 1998; West Mifflin, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc703773/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.