Criticality Safety Analysis & Research Group
Advanced reactors, higher-enrichment fuels, and new fuel types are expanding what nuclear can deliver. The backbone that keeps this progress smooth and dependable is nuclear criticality safety—ensuring nuclear research and operations can proceed efficiently and confidently.
The Criticality Safety Analysis & Research group develops and applies the methods, models, and guidance necessary to promote and maintain nuclear criticality safety. Working alongside DOE sponsors and industry, the group strengthens analysis methods, streamlines reviews, and maintains the trusted tools that underpin the safe handling, transportation, and storage of fissile materials.
Nuclear Code Systems and Methods Group
The Nuclear Code Systems and Methods Group designs, documents, tests, implements, deploys, and maintains integrated nuclear modeling and simulation software applications that are modular, accurate, efficient, robust, usable, and quality assured.
The groups's focus is on nuclear energy modeling and simulation software that provides innovation and extension of the existing nuclear energy systems’ lifespan and that accelerates the design, development, and deployment of advanced nuclear energy technologies.
Radiation Transport & HPC Methods Group
The Radiation Transport & HPC Methods Group addresses the nuclear challenges of today and tomorrow by applying cutting-edge methods to ensure the safety, performance, and regulatory compliance of systems operating across the nuclear energy and fusion energy landscape.
From evaluating shielding for microreactors and other advanced nuclear systems, to supporting the design and occupational safety analysis for fusion projects like the ITER International Organization, the group’s work is essential to addressing high-impact nuclear and fusion engineering challenges.
Reactor and Nuclear Fuel Cycle Analysis Group
Reactor and fuel cycle analysis is central to continuing the safe and efficient use of nuclear technologies. As new fuels and reactor concepts move toward deployment, modeling and simulations are crucial to design and logistics decisions, safety assessments, and policy guidance.
The Reactor and Nuclear Fuel Cycle Analysis group is a computational leader in nuclear reactor and fuel cycle modeling. Using state-of-the-art modeling and simulation tools and methods to analyze, design, optimize, safeguard, and deploy nuclear reactors, the group is focused on supporting current and future nuclear systems.
Nuclear Data Group
Nuclear energy research, from advanced nuclear reactor simulations to the latest fusion experiments, relies on accurate and abundant data. Producing this data demands precise measurement, rigorous evaluation, and careful validation.
The Nuclear Data Group is leading efforts to strengthen the data libraries essential to reactor design, criticality safety, and fusion innovation. In collaboration with partners across the globe, the group expands and refines core datasets by performing new measurements, analyses, and evaluations.