Seth R Johnson R&D Staff Contact 865.574.7384 | johnsonsr@ornl.gov All Publications Omnibus User Manual... Investigation of Doppler Broadening Methods Within the Shift Monte Carlo Radiation Transport Code Celeritas: Accelerating Geant4 with GPUs Comparison of Temperature-Dependent Cross Section Treatments Within the Shift Monte Carlo Radiation Transport Code Celeritas R&D Report: Accelerating Geant4 An implicit barotropic mode solver for MPAS-ocean using a modern Fortran solver interface Improvement of SCALE Infrastructure on Microsoft Windows Five years of ForTrilinos ECP Modeling, Performance Assessment, and Nodal Data Analysis of TRISO-Fueled Systems with Shift SWIG+Fortran User Manual... Flibcpp User Manual... Novel features and GPU performance analysis for EM particle transport in the Celeritas code 3D Model Visual Verification and Mesh-Based Data Analysis in Fulcrum... Secondary-Source Core Reload Modeling with VERA Automated Fortran–C++ Bindings for Large-Scale Scientific Applications... Development of Terrenus: A Multiphysics Code for Spent Nuclear Fuel Canister Criticality Analysis Development of Terrenus, a Multiphysics Code for Spent Nuclear Fuel Cask Criticality Analysis... Initial Neutronics and Thermal-Hydraulic Coupling for Spent Nuclear Fuel Canister... Source Range Detector Response Modeling using VERA Documenting automated Fortran-C++ bindings with SWIG... Application of the Denovo Discrete Ordinates Radiation Transport Code to Large-Scale Fusion Neutronics... Nuclide Depletion Capabilities in the Shift Monte Carlo Code... Nuclide depletion capabilities in the Shift Monte Carlo code Omnibus: a New Front End to Denovo and Shift... Optimizing HFIR Isotope Production through the Devlopment of a Sensitivity-Informed Target Design Process... Pagination Current page 1 Page 2 Next page ›› Last page Last » 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