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
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
NRC cuts fees by 50 percent for advanced reactor applicants
The Nuclear Regulatory Commission has announced it has amended regulations for the licensing, inspection, special projects, and annual fees it will charge applicants and licensees for fiscal year 2025.
Technical Session|Sponsored by RPD
Wednesday, June 18, 2025|10:00–11:45AM CDT|Belmont
Session Chair:
Justin K. Watson
Alternate Chair:
Guillaume Giudicelli
Session Organizer:
Zeyun Wu
To access paper attachments, you must be logged in and registered for the meeting.
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A Higher-Order Transverse Leakage Using 2-D Reconstructed Flux in Nodal Expansion Method
10:00–10:20AM CDT
Junwoo Lee (Korea Advanced Institute of Science and Technology (KAIST)), Yonghee Kim (KAIST)
Paper
Time-Dependent Lattice Homogenization - A General Approach
10:20–10:40AM CDT
Eleodor M. Nichita (Ontario Tech University), Peter Schwanke (Ontario Tech University)
Use of System Dynamics Analysis Tool in Stability Analysis Applications for Flowing-Fuel Reactors
10:40–11:00AM CDT
Michael Parnell (TAMU), Thabit M. Abuqudaira (TAMU), Pavel V. Tsvetkov (TAMU), Piyush Sabharwall (INL)
Presentation Slides (Visible to Attendees)
Comparative Study of On-The-Fly Doppler Broadening Methods Considering Floating-Point Precision
11:00–11:20AM CDT
YuGwon Jo (Korea Atomic Energy Research Institute)
High-Fidelity Deterministic Solver for Pebble Bed Reactors
11:20–11:40AM CDT
Ludovic Jantzen (Univ. California, Berkeley), Massimiliano Fratoni (Univ. California, Berkeley)
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