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Nuclide depletion capabilities in the Shift Monte Carlo code

by Gregory G. Davidson, Tara M. Pandya, Seth R. Johnson, Thomas M. Evans, Aarno E. Isotalo, Cole A. Gentry, William A. Wieselquist

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.

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Publication Citation

Annals of Nuclear Energy 2018 pp 259-276 April 25, 2018
DOI: DOI 10.1016/j.anucene.2017.11.042

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