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Decommissioning & Environmental Sciences
The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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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June 2025
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Latest News
NRC dockets construction permit for Dow, X-energy SMR
The Nuclear Regulatory Commission has accepted Dow’s construction permit application to build an X-energy small modular reactor in Seadrift, Texas.
Technical Session|Deterministic Transport Methods and Applications
Tuesday, April 29, 2025|3:15–4:55PM MDT|Lawrence A
Session Chair:
Hansol Park (ANL)
Alternate Chair:
Ben Yee (LLNL)
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Subgroup and Resonance Spectrum Expansion Self-Shielding Methods Using a Discontinuous Isogeometric Analysis Discrete Ordinate Discretisation of the Neutron Transport Equation
3:15–3:40PM MDT
Kypros Donegan (Imperial College London), Luis J.W. Fernandes (Imperial College London), Alain Hébert (Ecole Polytechnique Montreal), Matthew D. Eaton (Imperial College London), Charles Latimer (Rolls-Royce), Seth G. Wilson (Rolls-Royce), József Kópházi (Budapest Univ. Technology and Economics)
Paper
A Posteriori Source-Driven Spatial Error Estimators for Adaptive Mesh Refinement in the Context of SN-MOC Transport in a 1-D Slab Geometry
3:40–4:05PM MDT
Alexis Anne (Commissariat a l'Energie Atomique), Emiliano Masiello (CEA)
Presentation Slides (Visible to Attendees) — Presentation
Offline Maximizing Minimally Invasive Proper Orthogonal Decomposition for Reduced Order Modeling of Sn Radiation Transport
4:05–4:30PM MDT
Quincy Huhn (TAMU), Jean Ragusa (TAMU)
Machine-Learning-Based Pebble Power Reconstruction for Pebble-bed Reactor Analysis
4:30–4:55PM MDT
Seongjin Jeong (ANL), Changho Lee (ANL), Shikhar Kumar (ANL), Hansol Park (ANL)
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