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Benchmark revisited [electronic resource] : the accuracy of finite difference methods and the potential for the use of nodal methods in the analyses of research and test reactors

Published
Argonne, Ill. : Argonne National Laboratory, 1985.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 14 : digital, PDF file
Additional Creators
Argonne National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Nodal methods are tested for use in the neutronics analysis of research reactors. The results are compared to finite difference methods in both cost and accuracy. Transport effects and nodal transport are also considered. The IAEA benchmark reactor has been used as a base for this assessment. The nodal method was found to be very effective in reducing computation costs, and the accuracy of the solution is often higher than that attained with finite difference. In fact, in order to have a finite difference solution of comparable accuracy, the costs can be prohibitive. The usual choice of mesh structure may produce significant inaccuracies in the solution, and transport effects in many cases may be quite large. The use of transport nodal methods for some applications may be justified and far less expensive than Monte Carlo or Sn transport methods.
Report Numbers
E 1.99:conf-8510102-5
conf-8510102-5
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
01/01/1985.
"conf-8510102-5"
"DE86003048"
International meeting on reduced enrichment for research and test reactors, Petten, Netherlands, 14 Oct 1985.
Woodruff, W.L.
Funding Information
W-31-109-ENG-38
View MARC record | catkey: 14801976