Enabling the next generation of fission and fusion systems with advanced radiation transport computing.
ORNL's Radiation Transport and HPC Methods Group performs software development and analysis for complex computational physics problems related to energy and national security.
Advancing energy systems require radiation transport analyses that go beyond the limits of traditional simulation tools.
The Radiation Transport and HPC Methods Group develops and applies scalable, high-fidelity radiation transport and high-performance computing solutions to support the design, safety, and security of fission reactors, fusion systems, and other complex nuclear technologies.
Capabilities
The Radiation Transport and HPC Methods Group develops and applies state-of-the-art computational tools for radiation shielding, transport, and nuclear systems analysis, including:
- Monte Carlo and deterministic radiation transport methods
- Radiation shielding analysis for fission and fusion systems
- High-performance computing solutions spanning laptops to leadership-class supercomputers
- Design and safety analysis of advanced nuclear systems
The group also leads the development of Shift; a modern Monte Carlo radiation transport solver designed for efficient execution on current and future HPC architectures.
Collaborations
Collaborations
The group collaborates extensively throughout the nuclear industry to deliver impactful research and provide novel solutions. Key partners and sponsors include:
- U.S. Department of Energy’s Offices of Nuclear Energy, Fusion, and Science
- Nuclear Regulatory Commission
- National Nuclear Security Administration
- U.S. ITER Project and the ITER International Organization
- National laboratories, universities, and domestic and international research institutions
- Private-sector nuclear industry partners
These collaborations support advanced modeling and simulation efforts through programs such as DOE’s Nuclear Energy Advanced Modeling and Simulation (NEAMS) program, as well as direct engagements addressing the design, safety, and performance challenges of nuclear systems.
Looking ahead
Radiation Transport and HPC Methods Group will continue to lead the advancement of radiation transport and high-performance computing methods for nuclear energy and national security. With internationally recognized expertise and strong partnerships across government, academia, and industry, the group is positioned to shape the next generation of simulation