Conservative nonlinear diffusion acceleration applied to the unweighted least-squares transport equation in MOOSE JR Peterson, HR Hammer, JE Morel, JC Ragusa, Y Wang Proc. Int. Conf. Mathematics and Computations, Supercomputing in Nuclear …, 2015 | 15 | 2015 |

Criticality calculations of the Very High Temperature reactor Critical Assembly benchmark with Serpent and SCALE/KENO-VI F Bostelmann, HR Hammer, J Ortensi, G Strydom, K Velkov, W Zwermann Annals of Nuclear Energy 90, 343-352, 2016 | 8 | 2016 |

INL results for phases I and III of the OECD/NEA MHTGR-350 benchmark G Strydom, J Ortensi, S Sen, H Hammer Idaho National Laboratory, 2013 | 7 | 2013 |

A multi-dimensional, moment-accelerated deterministic particle method for time-dependent, multi-frequency thermal radiative transfer problems H Hammer, HK Park, L Chacón Journal of Computational Physics, 2019 | 5 | 2019 |

A Weighted Least-Squares Transport Equation Compatible with Source Iteration and Voids HR Hammer, JE Morel, Y Wang Nuclear Science and Engineering 193 (4), 388-403, 2019 | 4 | 2019 |

Using directional diffusion coefficients for nonlinear diffusion acceleration of the first order SN equations in near-void regions S Schunert, H Hammer, J Lou, Y Wang, J Ortensi, F Gleicher, B Baker, ... Idaho National Lab.(INL), Idaho Falls, ID (United States), 2016 | 4 | 2016 |

Nonlinear Diffusion Acceleration of the Least-Squares Transport Equation in Geometries with Voids HR Hammer, JE Morel, Y Wang Nuclear science and engineering 193 (5), 453-480, 2019 | 2 | 2019 |

Nonlinear Diffusion Acceleration of the Least-Squares Transport Equation in Geometries with Voids HR Hammer, JE Morel, Y Wang Nuclear science and engineering 193 (5), 453-480, 2019 | 2 | 2019 |

Multigroup Deterministic Particle Solver for 1D Curvilinear Geometries H Park, L Chacón, A Matsekh, G Chen, H Hammer Transactions 119 (1), 653-655, 2018 | 1 | 2018 |

A multi-dimensional, moment-accelerated deterministic particle method for time-dependent thermal radiative transfer problems H Hammer, HK Park, L Chacón ANS Annual Winter Meeting 2018, 2018 | 1 | 2018 |

Nonlinear Diffusion Acceleration in Voids for the Least-Squares Transport Equation HR Hammer | 1 | 2017 |

An Eulerian Vlasov-Fokker-Planck Algorithm for Spherical Implosion Simulations of Inertial Confinement Fusion Capsules WT Taitano, BD Keenan, L Chacon, SE Anderson, HR Hammer, ... arXiv preprint arXiv:2009.07979, 2020 | | 2020 |

A Discontinuous Finite-Element Formulation of the Gray Radiative Heat Transfer P1 Equations Using a Moving Mesh Partial Differential Equation H Hammer, HK Park, L Chacón, W Taitano Transactions 121 (1), 795-798, 2019 | | 2019 |

Solution of the Hot Zero Power BEAVRS Using a Pin-Cell Homogenized Model J Ortensi, M Ellis, Y Wang, HR Hammer, JP Senecal, FN Gleicher, ... Idaho National Lab.(INL), Idaho Falls, ID (United States), 2016 | | 2016 |

Solution of the Hot Zero Power BEAVRS Using a Pin-Cell Homogenized Model HR Hammer, FN Gleicher, S Schunert Transactions 113 (1), 1247-1249, 2015 | | 2015 |

IMPACT OF NUCLEAR DATA UNCERTAINTIES ON CRITICALITY CAL-CULATIONS OF THE VERY HIGH TEMPERATURE REACTOR CRITICAL ASSEMBLY BENCHMARK F Bostelmann, K Velkov, W Zwermann, H Hammer, G Strydom | | |

Computational Methods: General H Park, L Chacón, A Matsekh, G Chen, H Hammer Tmat 900, 1000, 0 | | |

Utilisation of Serpent at Forschungszentrum Jülich SC Herber, HR Hammer, A Aures, F Bostelmann, C Kelm, HJ Allelein | | |