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
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|Advanced Reactor Design and Analysis
Wednesday, April 30, 2025|10:00–11:40AM MDT|E.P. Ensley B
Session Chair:
Guillaume Giudicelli (INL)
Alternate Chair:
Logan Harbour (INL)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Neutronics Analysis of a Lead-cooled Fast Reactor Using Griffin
10:00–10:25AM MDT
Zachary D. Bevans (NCSU), Javier Ortensi (INL), Scott P. Palmtag (NCSU)
Paper
Improvements to the MOOSE Reactor Geometry Mesh Builder to Streamline Mesh Generation Workflows for Advanced Reactor Designs
10:25–10:50AM MDT
Shikhar Kumar (ANL), Logan Harbour (INL), Guillaume Giudicelli (INL), Yinbin Miao (ANL), Yeon Sang Jung (ANL), Emily Shemon (ANL)
Fundamental Improvements to the MOOSE Reactor Module and Mesh System for Meshing Advanced Reactor Geometries
10:50–11:15AM MDT
Yinbin Miao (ANL), Aaron Oaks (ANL), Guillaume Giudicelli (INL), Roy Stogner (INL), Soon Kyu Lee (ANL), Yeon Sang Jung (ANL), Shikhar Kumar (ANL), Emily Shemon (ANL), Kun Mo (ANL), Logan Harbour (INL)
APOLLO3-SCRAP Calculation Route for Solid-Fuel Fast Reactors Design Application
11:15–11:40AM MDT
Maciej Zajaczkowski (CEA), Laurent Buiron (CEA)
Presented by Jean-François Vidal (CEA)
To join the conversation, you must be logged in and registered for the meeting.
