Fast algorithm for two-dimensional data table use in hydrodynamic and radiative-transfer codes

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Description

A fast algorithm for finding interpolated atomic data in irregular two-dimensional tables with differing materials is described. The algorithm is tested in a hydrodynamic/radiative transfer code and shown to be of comparable speed to interpolation in regularly spaced tables, which require no table search. The concepts presented are expected to have application in any situation with irregular vector lengths. Also, the procedures that were rejected either because they were too slow or because they involved too much assembly coding are described.

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Pages: 16

Creation Information

Slattery, W.L. & Spangenberg, W.H. January 1, 1982.

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Description

A fast algorithm for finding interpolated atomic data in irregular two-dimensional tables with differing materials is described. The algorithm is tested in a hydrodynamic/radiative transfer code and shown to be of comparable speed to interpolation in regularly spaced tables, which require no table search. The concepts presented are expected to have application in any situation with irregular vector lengths. Also, the procedures that were rejected either because they were too slow or because they involved too much assembly coding are described.

Physical Description

Pages: 16

Notes

NTIS, PC A02/MF A01.

Source

  • Science, engineering and the Cray-1 symposium, Minneapolis, MN, USA, 5 Apr 1982

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  • Other: DE82011983
  • Report No.: LA-UR-82-656
  • Report No.: CONF-820433-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5262040
  • Archival Resource Key: ark:/67531/metadc1069906

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 1, 1982

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • May 29, 2018, 6:50 p.m.

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Slattery, W.L. & Spangenberg, W.H. Fast algorithm for two-dimensional data table use in hydrodynamic and radiative-transfer codes, article, January 1, 1982; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1069906/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.