ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Jan 2026
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
CFS working with NVIDIA, Siemens on SPARC digital twin
Commonwealth Fusion Systems, a fusion firm headquartered in Devens, Mass., is collaborating with California-based computing infrastructure company NVIDIA and Germany-based technology conglomerate Siemens to develop a digital twin of its SPARC fusion machine. The cooperative work among the companies will focus on applying artificial intelligence and data- and project-management tools as the SPARC digital twin is developed.
Technical Session|Special Session on GPU Computing
Tuesday, April 29, 2025|1:00–2:40PM MDT|E.P. Ensley A
Session Chair:
Tim Burke (LANL)
Alternate Chair:
Tara Pandya (ORNL)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Implementation of the Multigroup Neutron Diffusion Equation Using Tensor Formulations in PyTorch
1:00–1:25PM MDT
Kajetan Streciwilk (Amentum), Brendan Tollit (Amentum), Paul Smith (Amentum), Simon Cox (Amentum), Boyang Chen (Imperial College London), Christopher C. Pain (Imperial College London)
Paper
Progress Porting LLNL Monte Carlo Transport Codes to the AMD Instict MI300A APU
1:25–1:50PM MDT
Shawn A. Dawson (LLNL), Ryan C. Bleile (LLNL), Patrick S. Brantley (LLNL), Evan S. Gonzalez (LLNL), M. Scott McKinley (LLNL), Matthew J. O'Brien (LLNL), Mike M. Pozulp (LLNL), Alex P. Robinson (LLNL), Max Yang (LLNL)
Implementation and Performance Analysis of the Transient Solver in STREAM3D-GPU
1:50–2:15PM MDT
Saisundar Mohanty (Ulsan Nat'l Institute Science and Technology), Siarhei Dzianisau (Ulsan Nat'l Institute Science and Technology), Murat Serder Aygul (Ulsan Nat'l Institute Science and Technology), Deokjung Lee (Ulsan Nat'l Institute Science and Technology)
Performance Evaluation of GREAPMC for Continuous Energy Reactor Physics Problems
2:15–2:40PM MDT
Muhammad Rizwan Ali (Ulsan Nat'l Institute Science and Technology), Murat Serdar Aygul (Ulsan Nat'l Institute Science and Technology), Deokjung Lee (Ulsan Nat'l Institute Science and Technology)
To join the conversation, you must be logged in and registered for the meeting.