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Numerical stability of the predictor-corrector method in Monte Carlo burnup calculations of critical reactors
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.ORCID iD: 0000-0002-7943-7517
2013 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 56, 34-38 p.Article in journal (Refereed) Published
Abstract [en]

Monte Carlo burnup codes use various schemes to solve the coupled criticality and burnup equations. Previous studies have shown that the simplest methods, such as the beginning-of-step and middle-of-step constant flux approximations, are numerically unstable in fuel cycle calculations of critical reactors. Here we show that even the predictor-corrector methods that are implemented in established Monte Carlo burnup codes can be numerically unstable in cycle calculations of large systems.

Place, publisher, year, edition, pages
2013. Vol. 56, 34-38 p.
Keyword [en]
Monte Carlo burnup calculations, Predictor-corrector method, Numerical stability
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-123001DOI: 10.1016/j.anucene.2013.01.018ISI: 000317946000005Scopus ID: 2-s2.0-84873688492OAI: oai:DiVA.org:kth-123001DiVA: diva2:624653
Funder
EU, European Research Council, 295971Swedish Radiation Safety Authority
Note

QC 20130603

Available from: 2013-06-03 Created: 2013-05-31 Last updated: 2017-12-06Bibliographically approved

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Dufek, Jan

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