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Efficient use of Monte Carlo: Uncertainty Propagation
bGesellschaft f¨ur Anlagen- und Reaktorsicherheit (GRS) mbH, Garching, Germany.
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2014 (English)In: Nuclear science and engineering, ISSN 0029-5639, Vol. 177, no 3, 337-349 p.Article in journal (Refereed) Published
Abstract [en]

A new and faster Total Monte Carlo method for the propagation of nuclear data uncertaintiesin Monte Carlo nuclear simulations is presented (the fast TMC method).It is addressing the main drawback of the original Total Monte Carlo method(TMC), namely the necessary large time multiplication factor compared to a singlecalculation. With this new method, Monte Carlo simulations can now be accompaniedwith uncertainty propagation (other than statistical), with small additionalcalculation time. The fast TMC method is presented and compared with the TMCand fast GRS methods for criticality and shielding benchmarks and burn-up calculations.Finally, to demonstrate the efficiency of the method, uncertainties on localdeposited power in 12.7 millions cells are calculated for a full size reactor core,

Place, publisher, year, edition, pages
2014. Vol. 177, no 3, 337-349 p.
Keyword [en]
Monte Carlo, uncertainties, nuclear data, TMC, GRS method
National Category
Subatomic Physics
Research subject
Applied Nuclear Physics; Nuclear Physics
URN: urn:nbn:se:uu:diva-212625DOI: 10.13182/NSE13-32ISI: 000339133300007OAI: oai:DiVA.org:uu-212625DiVA: diva2:678610
Swedish Research Council
Available from: 2013-12-12 Created: 2013-12-12 Last updated: 2014-09-08Bibliographically approved

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Publisher's full texthttp://ftp://ftp.nrg.eu/pub/www/talys/bib_rochman/fastTMC.pdf

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Sjöstrand, HenrikHelgesson, Petter
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