Seth R Johnson R&D Staff Contact JOHNSONSR@ORNL.GOV All Publications Nuclide depletion capabilities in the Shift Monte Carlo code Omnibus: a New Front End to Denovo and Shift Optimizing HFIR Isotope Production through the Development of a Sensitivity-Informed Target Design Process Flux Renormalization in Constant Power Burnup Calculations... Hot Zero Power Reactor Calculations Using the Insilico Code NUCLIDE DEPLETION CAPABILITIES IN THE SHIFT MONTE CARLO CODE... FW/CADIS-Ω: AN ANGLE-INFORMED HYBRID METHOD FOR DEEP-PENETRATION RADIATION TRANSPORT Capabilities, Implementation, and Benchmarking of Shift, a Massively Parallel Monte Carlo Radiation Transport Code... Hot Zero Power Reactor Calculations Using the Insilico Code The Multi-Step CADIS Method for Shutdown Dose Rate Calculations and Uncertainty Propagation... CRITICALITY SAFETY ENHANCEMENTS FOR SCALE 6.2 AND BEYOND Evaluation of SNS Beamline Shielding Configurations using MCNPX Accelerated by ADVANTG Shift: A Massively Parallel Monte Carlo Radiation Transport Package Dose Estimation for Complex Urban Environments Using RUGUD, SWORD, ADVANTG and Denovo... THREE-DIMENSIONAL DISCRETE ORDINATES REACTOR ASSEMBLY CALCULATIONS ON GPUS The Multi-Step CADIS Method for Shutdown Dose Rate Calculations and Uncertainty Propagation The Multi-Step CADIS Method for Shutdown Dose Rate Calculations and Uncertainty Propagation Fast Mix Table Construction for Material Discretization... Implementation of Transport Synthetic Acceleration in NEWTRNX... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links ORCID Organizations Computing and Computational Sciences Directorate Computational Sciences and Engineering Division Advanced Computing Methods for Engineered Systems Section Scalable Engineering Applications Group SCALE Exascale Computing Project