Nuclide depletion capabilities in the Shift Monte Carlo code

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Abstract

A new depletion capability has been developed in the Exnihilo radiation transport code suite. This capability enables massively parallel domain-decomposed coupling between the Shift continuous-energy Monte Carlo solver and the nuclide depletion solvers in ORIGEN to perform high-performance Monte Carlo depletion calculations. This paper describes this new depletion capability and discusses its various features, including a multi-level parallel decomposition, high-order transport-depletion coupling, and energy-integrated power renormalization. Several test problems are presented to validate the new capability against other Monte Carlo depletion codes, and the parallel performance of the new capability is analyzed.

Original languageEnglish
Pages (from-to)259-276
Number of pages18
JournalAnnals of Nuclear Energy
Volume114
DOIs
StatePublished - Apr 2018

Funding

Research sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U.S. Department of Energy and by the Consortium for Advanced Simulation of Light Water Reactors ( www.casl.gov ), an Energy Innovation Hub ( http://www.energy.gov/hubs ) for Modeling and Simulation of Nuclear Reactors under U.S. Department of Energy Contract No. DE-AC05-00OR22725. This research used resources of the Oak Ridge Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract DE-AC05-00OR22725.

FundersFunder number
Consortium for Advanced Simulation of Light Water Reactors
Energy Innovation Hub
Modeling and Simulation of Nuclear ReactorsDE-AC05-00OR22725
U.S. Department of Energy
Office of Science
Oak Ridge National Laboratory

    Keywords

    • Burnup
    • Monte Carlo
    • Parallel scaling
    • Transport-depletion coupling

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