Steven P Hamilton Senior R&D Staff Contact hamiltonsp@ornl.gov | 865.574.3646 All Publications Exascale Multiphysics Nuclear Reactor Simulations for Advanced Designs... Frontier: Exploring Exascale Weight window variance reduction on GPUs in the Shift Monte Carlo Code Domain decomposition in the GPU-accelerated Shift Monte Carlo code Algorithm for Free Gas Elastic Scattering without Rejection Sampling Free Gas Elastic Scattering Algorithm for GPU-Based Particle Tracking... Lattice Physics Calculations Using the Embedded Self-Shielding Method in Polaris, Part I: Methods and Implementation Omnibus User Manual... Singular value decomposition of adjoint flux distributions for Monte Carlo variance reduction Exascale Applications: Skin in the Game Enhancing Monte Carlo proxy applications on GPUs... Optimization of processor allocation for domain decomposed Monte Carlo calculations... Continuous-energy Monte Carlo neutron transport on GPUs in the Shift code VEXS, An Open Platform for the Study of Continuous-Energy Cross-Section Lookup Algorithms on GPU’s... Continuous-Energy Monte Carlo on GPUs in Shift... 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 Eigenvalue Solvers for Modeling Nuclear Reactors on Leadership Class Machines Improving variance estimation in Monte Carlo eigenvalue simulations... Local Improvement Results for Anderson Acceleration with Inaccurate Function Evaluations... Variance Estimation in Monte Carlo Eigenvalue Simulations Using Spectral Analysis Method... Modeling Parallel Efficiency for Discrete Ordinates Transport Calculations... Use of Generalized Davidson Eigenvalue Solver for Coarse Mesh Finite Difference Acceleration... Pagination Current page 1 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 SCALE Exascale Computing Project National Security Sciences Directorate