Monte Carlo capabilities of the SCALE code system

Monte Carlo capabilities of the SCALE code system

•Foundational Monte Carlo capabilities of SCALE are described.•Improvements in continuous-energy treatments are detailed.•New methods for problem-dependent temperature corrections are described.•New methods for sensitivity analysis and depletion are described.•Nuclear data, users interfaces, and qua...

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Bibliographic Details
Published in:Annals of nuclear energy Vol. 82; pp. 130 - 141
Main Authors: Rearden, B.T., Petrie, L.M., Peplow, D.E., Bekar, K.B., Wiarda, D., Celik, C., Perfetti, C.M., Ibrahim, A.M., Hart, S.W.D., Dunn, M.E., Marshall, W.J.
Format: Journal Article
Language:English
Published: United States Elsevier Ltd 01-08-2015
Elsevier
Subjects:
Computer simulation
Criticality safety
Depletion
Mathematical models
MATHEMATICS AND COMPUTING
Monte Carlo
Monte Carlo methods
Nuclear engineering
Nuclear safety
Radiation transport
SCALE
Sensitivity analysis
Shielding
Uncertainty
Sensitivity analysis
Depletion
SCALE
Shielding
Monte Carlo
Criticality safety
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Summary:•Foundational Monte Carlo capabilities of SCALE are described.•Improvements in continuous-energy treatments are detailed.•New methods for problem-dependent temperature corrections are described.•New methods for sensitivity analysis and depletion are described.•Nuclear data, users interfaces, and quality assurance activities are summarized. SCALE is a widely used suite of tools for nuclear systems modeling and simulation that provides comprehensive, verified and validated, user-friendly capabilities for criticality safety, reactor physics, radiation shielding, and sensitivity and uncertainty analysis. For more than 30years, regulators, licensees, and research institutions around the world have used SCALE for nuclear safety analysis and design. SCALE provides a “plug-and-play” framework that includes three deterministic and three Monte Carlo radiation transport solvers that can be selected based on the desired solution, including hybrid deterministic/Monte Carlo simulations. SCALE includes the latest nuclear data libraries for continuous-energy and multigroup radiation transport as well as activation, depletion, and decay calculations. SCALE’s graphical user interfaces assist with accurate system modeling, visualization, and convenient access to desired results. SCALE 6.2 will provide several new capabilities and significant improvements in many existing features, especially with expanded continuous-energy Monte Carlo capabilities for criticality safety, shielding, depletion, and sensitivity and uncertainty analysis. An overview of the Monte Carlo capabilities of SCALE is provided here, with emphasis on new features for SCALE 6.2.
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USDOE
AC05-00OR22725
ISSN:0306-4549
1873-2100
DOI:10.1016/j.anucene.2014.08.019