Parallelization of the MAAP-A code neutronics/thermal hydraulics coupling

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A major new feature, one-dimensional space-time kinetics, has been added to a developmental version of the MAAP code through the introduction of the DIF3D-K module. This code is referred to as MAAP-A. To reduce the overall job time required, a capability has been provided to run the MAAP-A code in parallel. The parallel version of MAAP-A utilizes two machines running in parallel, with the DIF3D-K module executing on one machine and the rest of the MAAP-A code executing on the other machine. Timing results obtained during the development of the capability indicate that reductions in time of 30--40% are possible. ... continued below

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7 p.

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Froehle, P.H.; Wei, T.Y.C.; Weber, D.P. & Henry, R.E. December 31, 1998.

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Description

A major new feature, one-dimensional space-time kinetics, has been added to a developmental version of the MAAP code through the introduction of the DIF3D-K module. This code is referred to as MAAP-A. To reduce the overall job time required, a capability has been provided to run the MAAP-A code in parallel. The parallel version of MAAP-A utilizes two machines running in parallel, with the DIF3D-K module executing on one machine and the rest of the MAAP-A code executing on the other machine. Timing results obtained during the development of the capability indicate that reductions in time of 30--40% are possible. The parallel version can be run on two SPARC 20 (SUN OS 5.5) workstations connected through the ethernet. MPI (Message Passing Interface standard) needs to be implemented on the machines. If necessary the parallel version can also be run on only one machine. The results obtained running in this one-machine mode identically match the results obtained from the serial version of the code.

Physical Description

7 p.

Notes

INIS; OSTI as DE98000350

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  • 1998 international conference on simulation technology for nuclear power plants and systems, San Diego, CA (United States), 11-14 Jan 1998

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  • Other: DE98000350
  • Report No.: ANL/RE/CP--94525
  • Report No.: CONF-980120--
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 563268
  • Archival Resource Key: ark:/67531/metadc697621

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  • December 31, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 1:05 p.m.

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Froehle, P.H.; Wei, T.Y.C.; Weber, D.P. & Henry, R.E. Parallelization of the MAAP-A code neutronics/thermal hydraulics coupling, article, December 31, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc697621/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.