Jordan P Lefebvre R&D Staff Contact lefebvrejp4@ornl.gov | 865.241.3901 All Publications Samoa Updater: An Application of the Levenberg-Marquardt Method to Update Delfic Predictions Using Field Measurements... Application of Markov Chain Monte Carlo Methods for Uncertainty Quantification in Inverse Transport Problems... MSTAR2019 Code Description and User's Manual... NEAMS Workbench Status and Capabilities Application of Markov Chain Monte Carlo for Uncertainty Quantification in Quantitative Imaging Problems ONRAMP, ORNL Nuclear Resources – Analysis and Modeling Portfolio Reconstructing Reactor Operating Histories Using the INDEPTH Code... Application of the ORIGEN Fallout Analysis Tool and the DELFIC Fallout Planning Tool to National Technical Nuclear Forensics Reconstructing Reactor Operating Histories Using the INDEPTH Code Determining Physical Parameters of Shielded Uranium using Gamma Spectroscopy and the DiffeRential Evolution Adaptive Metropolis (DREAM) Method Development of Streamlined Nuclear Safety Analyses for Used Nuclear Fuel Applications... Solving Inverse Transport Problems with Neutron Multiplication Measurements and Improved Differential Evolution... Determining physical parameters of shielded uranium using gamma spectroscopy and the DiffeRential Evolution Adaptive Metropol... POLARIS: A New Two-Dimensional Lattice Physics Analysis Capability for the SCALE Code System CRITICALITY SAFETY ENHANCEMENTS FOR SCALE 6.2 AND BEYOND... MODERNIZATION STRATEGIES FOR SCALE 6.2... Application of the DiffeRential Evolution Adaptive Metropolis (DREAM) Method for Uncertainty Quantification in Inverse Transp... Modernization Enhancements in SCALE 6.2... POLARIS: A New Two-Dimensional Lattice Physics Analysis Capability for the SCALE Code System... POLARIS: A New Two-Dimensional Lattice Physics Analysis Capability for the SCALE Code System OVERVIEW OF SCALE 6.2... Automating the Coupling of ORIGEN with GADRAS via the Fallout Analysis Tool for National Technical Nuclear Forensics... Enhancements in SCALE 6.1... Scale 6.1 Enhancements for Nuclear Criticality Safety... Application of the ORIGEN Fallout Analysis Tool and the DELFIC Fallout Planning Tool to National Technical Nuclear Forensics Key Links Curriculum Vitae ORCID Organizations National Security Sciences Directorate Nuclear Nonproliferation Division Nonproliferation Engineering Science and Technologies Section Incident Modeling and Computational Sciences
