MONTE CARLO SHIELDING ANALYSES USING AN AUTOMATED BIASING PROCEDURE.

J. S. Tang, T. J. Hoffman

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A systematic and automated approach for biasing Monte Carlo shielding calculations is described. In particular, adjoint fluxes from a one-dimensional discrete ordinates calculation are used to generate biasing parameters for a Monte Carlo calculation. The entire procedure of adjoint calculation, biasing parameters generation, and Monte Carlo calculation has been automated. The automated biasing procedure has been applied to several realistic deep-penetration shipping cask problems. The results obtained for neutron and gamma-ray transport indicate that with the automated biasing procedure Monte Carlo shielding calculations of spent-fuel casks can be easily performed with minimum effort and that accurate results can be obtained at reasonable computing cost.

Original languageEnglish
Pages (from-to)329-342
Number of pages14
JournalNuclear Science and Engineering
Volume99
Issue number4
DOIs
StatePublished - 1988

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