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Stationarity Diagnostics using Functional Expansion Tallies

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0 Published in 2020 at "Annals of Nuclear Energy"

DOI: 10.1016/j.anucene.2020.107388

Abstract: Abstract A methodology for determining fission source stationarity is presented that characterizes the behavior of higher order spatial moments of the fission source distribution using Functional Expansional Tallies (FET’s). The computation of these FET’s does… read more here.

Keywords: stationarity; using functional; stationarity diagnostics; diagnostics using ... See more keywords

Stabilization effect of fission source in coupled Monte Carlo simulations

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1 Published in 2017 at "Nuclear Engineering and Technology"

DOI: 10.1016/j.net.2017.02.008

Abstract: Abstract A fission source can act as a stabilization element in coupled Monte Carlo simulations. We have observed this while studying numerical instabilities in nonlinear steady-state simulations performed by a Monte Carlo criticality solver that… read more here.

Keywords: coupled monte; monte carlo; fission source;