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.
Division Spotlight
Robotics & Remote Systems
The Mission of the Robotics and Remote Systems Division is to promote the development and application of immersive simulation, robotics, and remote systems for hazardous environments for the purpose of reducing hazardous exposure to individuals, reducing environmental hazards and reducing the cost of performing work.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
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!
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Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
The 2025 ANS election results are in!
Spring marks the passing of the torch for American Nuclear Society leadership. During this election cycle, ANS members voted for the newest vice president/president-elect, treasurer, and six board of director positions (four U.S., one non-U.S., one student). New professional division leadership was also decided on in this election, which opened February 25 and closed April 15. About 21 percent of eligible members of the Society voted—a similar turnout to last year.
Technical Session|Methods
Monday, April 22, 2024|1:30–3:15PM PDT|Continental Ballroom 2
Session Chair:
Jaako Leppanen (VTT Technical Research Centre of Finland)
Alternate Chair:
Paolo Vinai (Chalmers Univ. Technology)
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Hobbes: Multigroup Cross Section Generation for Mixed-Architecture Computing Environments
1:30–1:50PM PDT
S.J. Douglass (Naval Nuclear Laboratory)
Paper
Understanding the Macroscopic Cross Section Treatment in Hybrid Continuous Energy and Multigroup Depletion Using the Shift Monte Carlo Code
1:50–2:10PM PDT
Vidor Lujan (Georgia Tech), Bailey Painter (Georgia Tech), Inhyung Kim (Univ. California, Berkeley), Massimiliano Fratoni (Univ. California, Berkeley), Thomas M. Evans (ORNL), Tara M. Pandya (ORNL), Dan Kotlyar (Georgia Tech)
Derivation of the History Variable Calculation for Macro-Depletion in Nodal Simulators
2:10–2:30PM PDT
Thomas Folk (Univ. Michigan), Brendan Kochunas (Univ. Michigan)
Initial Assessment of Online Cross Section Generation Capability of Griffin for Gas-Cooled Pebble-Bed Reactor
2:30–2:50PM PDT
Hansol Park (ANL), Yeon Sang Jung (ANL), Changho Lee (ANL), Yaqi Wang (INL), Javier Ortensi (INL)
Application of Expanded Transfer Functions for Predicting Coarse Mesh, One-Group Macroscopic Cross Sections in a 3D Realistic PWR Core
2:50–3:10PM PDT
Bailey Painter (Georgia Tech), Dan Kotlyar (Georgia Tech)
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