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
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
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!
Latest Magazine Issues
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
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|Sponsored by RPD
Wednesday, June 14, 2023|10:00–11:45AM EDT|Kentucky
Session Chair:
Jason Hou (NCSU)
Alternate Chair:
Pavel V. Tsvetkov
Session Organizer:
Massimiliano Fratoni (UC Berkeley)
To access paper attachments, you must be logged in and registered for the meeting.
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On-the-Fly Energy Group Condensation for Whole-Core Multiphysics Simulations
10:00–10:20AM EDT
Aaron M. Graham (ORNL), Kang-Seog Kim (ORNL)
Paper
Fixed-Source Diffusion Solver in PARCS
10:20–10:40AM EDT
Oscar Lastres (Purdue), Yunlin Xu (Purdue)
Application of Equivalent Dancoff Factor Method for Resonance Calculation of Double Heterogeneous Fuel
10:40–11:00AM EDT
Akio Yamamoto (Nagoya Univ.), Tomohiro Endo (Nagoya Univ.)
Presentation Slides (Visible to Attendees)
Direct Multi-Group Cross-Sections via NJOY+OJOYU for PWR and FLiBe-MSR Reactor Systems
11:00–11:20AM EDT
Meng-Jen (Vince) Wang (Univ. Utah), Michael Simpson (Univ. Utah), Glenn E. Sjoden (Univ. Utah)
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