Anisotropic scattering in the variational nodal simplified spherical harmonics formulation

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Description

Under the assumption of isotropic scattering, the simplified spherical harmonics method (SP{sub N}) was recently formulated in variational nodal form and implemented successfully as an option of the VARIANT code. The authors here remove the isotopic scattering restriction. The variational nodal form of the SPN approximation is formulated and implemented with both within-group and group-to-group anisotropic scattering. Results are presented for a model problem previously utilized with the standard P{sub N} variational nodal method.

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5 p.

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Lewis, E.E. & Palmiotti, G. May 1, 1996.

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Description

Under the assumption of isotropic scattering, the simplified spherical harmonics method (SP{sub N}) was recently formulated in variational nodal form and implemented successfully as an option of the VARIANT code. The authors here remove the isotopic scattering restriction. The variational nodal form of the SPN approximation is formulated and implemented with both within-group and group-to-group anisotropic scattering. Results are presented for a model problem previously utilized with the standard P{sub N} variational nodal method.

Physical Description

5 p.

Notes

OSTI as DE96010775

Source

  • Annual meeting of the American Nuclear Society (ANS), Reno, NV (United States), 16-20 Jun 1996

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  • Other: DE96010775
  • Report No.: ANL/RA/CP--89399
  • Report No.: CONF-9606116--20
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 231961
  • Archival Resource Key: ark:/67531/metadc672958

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  • May 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Dec. 16, 2015, 10:53 a.m.

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Lewis, E.E. & Palmiotti, G. Anisotropic scattering in the variational nodal simplified spherical harmonics formulation, article, May 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc672958/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.