Variational nodal transport solutions of multigroup criticality problems

C. B. Carrico; E. E. Lewis

doi:10.1016/0149-1970(91)90004-9

Variational nodal transport solutions of multigroup criticality problems

C. B. Carrico^*, E. E. Lewis

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Variational nodal methods are extended to treat multigroup and criticality problems and are implemented as a module for the production code DIF3D at Argonne National Laboratory. New within-group solution algorithms based on the partitioning of the response matrix equations result in computing times that are comparable to those obtained with a widely employed nodal transport method. Accuracy and timing comparisons are made for three few-group criticality problems in X-Y geometry.

Original language	English (US)
Pages (from-to)	99-106
Number of pages	8
Journal	Progress in Nuclear Energy
Volume	25
Issue number	2-3
DOIs	https://doi.org/10.1016/0149-1970(91)90004-9
State	Published - 1991

ASJC Scopus subject areas

Nuclear Energy and Engineering
Safety, Risk, Reliability and Quality
Energy Engineering and Power Technology
Waste Management and Disposal

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10.1016/0149-1970(91)90004-9

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abstract = "Variational nodal methods are extended to treat multigroup and criticality problems and are implemented as a module for the production code DIF3D at Argonne National Laboratory. New within-group solution algorithms based on the partitioning of the response matrix equations result in computing times that are comparable to those obtained with a widely employed nodal transport method. Accuracy and timing comparisons are made for three few-group criticality problems in X-Y geometry.",

author = "Carrico, {C. B.} and Lewis, {E. E.}",

note = "Funding Information: Acknowledgements - This work was supported in part by Department of Energy Grant DE-FG07-88ER12810 and in part by Argonne National Laboratory, where the frequent counsel of K. Derstine was invaluable in code implementation.",

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doi = "10.1016/0149-1970(91)90004-9",

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AU - Lewis, E. E.

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N2 - Variational nodal methods are extended to treat multigroup and criticality problems and are implemented as a module for the production code DIF3D at Argonne National Laboratory. New within-group solution algorithms based on the partitioning of the response matrix equations result in computing times that are comparable to those obtained with a widely employed nodal transport method. Accuracy and timing comparisons are made for three few-group criticality problems in X-Y geometry.

AB - Variational nodal methods are extended to treat multigroup and criticality problems and are implemented as a module for the production code DIF3D at Argonne National Laboratory. New within-group solution algorithms based on the partitioning of the response matrix equations result in computing times that are comparable to those obtained with a widely employed nodal transport method. Accuracy and timing comparisons are made for three few-group criticality problems in X-Y geometry.

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Variational nodal transport solutions of multigroup criticality problems

Abstract

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