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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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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Nuclear Science and Engineering
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
Russia withdraws from 25-year-old weapons-grade plutonium agreement
Russia’s lower house of Parliament, the State Duma, approved a measure to withdraw from a 25-year-old agreement with the United States to cut back on the leftover plutonium from Cold War–era nuclear weapons.
Technical Session|Deterministic Transport Methods and Applications
Monday, April 28, 2025|3:15–4:55PM MDT|Lawrence A
Session Chair:
Jae Chang (LANL)
Alternate Chair:
Mathew Cleveland (LANL)
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A Hybrid SN-Diffusion Method for Molten Salt Reactor Control Rod Modeling
3:15–3:40PM MDT
Sun Myung Park (Univ. Illinois, Urbana-Champaign), Kathryn D. Huff (Univ. Illinois, Urbana-Champaign), Madicken Munk (Univ. Illinois, Urbana-Champaign)
Paper
Response Matrix Equivalence Method Based on Relaxed Flux Continuity Equation and its Application to Reflector Homogenization for Diffusion Calculations
3:40–4:05PM MDT
Sami Machach (Polytechnique Montréal), Alain Hebert (Polytechnique Montreal)
High-Accuracy Critical Radii Analytic Expressions for Spherical Reflected Systems Based on Discontinuous Asymptotic Diffusion Theory
4:05–4:30PM MDT
Shay I. Heizler (Hebrew Univ.)
Adaptive Mesh Refinement of the Domain Decomposition+𝐿2-Jumps Method Applied to the Neutron Diffusion Equation on 3D Structured Meshes
4:30–4:55PM MDT
Mario Gervais (CEA), François Madiot (CEA), Minh-Hieu Do (CEA), Patrick Ciarlet (ENSTA)
Presentation Slides (Visible to Attendees)
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