Thomas M Evans Group Lead and Distinguished R&D Staff, HPC Methods for Nuclear Applications Contact evanstm@ornl.gov | 865.576.3535 All Publications Singular value decomposition of adjoint flux distributions for Monte Carlo variance reduction High-Fidelity Ex-core Capabilities in VERA Exascale Applications: Skin in the Game Effect of Fission Source Spectrum on Monte Carlo Calculation of Ex-Core Quantities Ex-Core Radiation Transport Modeling with VERA User Manual VeraShift Usability Updates for Production Releases of VERA for Ex-core Calculations The MAVRIC-Shift Sequence in SCALE for Radiation Transport and Shielding Calculations with Automated Variance Reduction and Parallel Computing Source Range Detector Response Modeling using VERA Optimization of processor allocation for domain decomposed Monte Carlo calculations... Continuous-energy Monte Carlo neutron transport on GPUs in the Shift code ONRAMP, ORNL Nuclear Resources – Analysis and Modeling Portfolio Application of the Denovo Discrete Ordinates Radiation Transport Code to Large-Scale Fusion Neutronics... Continuous-Energy Monte Carlo on GPUs in Shift... Nuclide Depletion Capabilities in the Shift Monte Carlo Code... Deterministically estimated fission source distributions for Monte Carlo k-eigenvalue problems... Multigroup Monte Carlo on GPUs: Comparison of history- and event-based algorithms... Eigenvalue Solvers for Modeling Nuclear Reactors on Leadership Class Machines... Multigroup Monte Carlo on GPUs: Comparison of history- and event-based algorithms Nuclide depletion capabilities in the Shift Monte Carlo code Eigenvalue Solvers for Modeling Nuclear Reactors on Leadership Class Machines In Situ Visualization of Radiation Transport Geometry... Local Improvement Results for Anderson Acceleration with Inaccurate Function Evaluations... Modeling Parallel Efficiency for Discrete Ordinates Transport Calculations... Optimizing HFIR Isotope Production through the Devlopment of a Sensitivity-Informed Target Design Process... Analysis of Monte Carlo accelerated iterative methods for sparse linear systems... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Fusion and Fission Energy and Science Directorate Nuclear Energy and Fuel Cycle Division Nuclear Modeling and Simulation Development and Deployment Section HPC Methods for Nuclear Applications Group Exascale Computing Project National Security Sciences Directorate SCALE