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Division Spotlight
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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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Jun 2025
Jan 2025
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Nuclear Science and Engineering
July 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Smarter waste strategies: Helping deliver on the promise of advanced nuclear
At COP28, held in Dubai in 2023, a clear consensus emerged: Nuclear energy must be a cornerstone of the global clean energy transition. With electricity demand projected to soar as we decarbonize not just power but also industry, transport, and heat, the case for new nuclear is compelling. More than 20 countries committed to tripling global nuclear capacity by 2050. In the United States alone, the Department of Energy forecasts that the country’s current nuclear capacity could more than triple, adding 200 GW of new nuclear to the existing 95 GW by mid-century.
Technical Session|Special Topics
Tuesday, August 22, 2023|10:45AM–12:25PM EDT|Dupont
Session Chair:
Ferry Roelofs
Alternate Chair:
Shuichiro Miwa
Session Organizer:
Caleb S. Brooks
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Development of an Anisotropic Pressure Fluctuation Model for the Prediction of Turbulence-Induced Vibrations of Fuel Rods
10:45–11:05AM EDT
K. Zwijsen (Nuclear Research & Consultancy Group), N. van den Bos (Nuclear Research & Consultancy Group), E.M.A. Frederix (Nuclear Research & Consultancy Group), F. Roelofs (Nuclear Research & Consultancy Group), A.H. van Zuijlen (Delft Univ. Technology)
Paper
Wall-Resolved LES and Low-Reynolds Number URANS Combined to an Arbitrary Lagrangian Eulerian Approach for Predicting Water Cross-Flow Induced Vibrations of a Single Flexible Tube in a Normal Square Tube Array
11:05–11:25AM EDT
Sofiane Benhamadouche (EDF R&D), William Benguigui (EDF R&D)
Modeling of Flow-Induced Vibrations of a BWR Instrumentation Guide Tube Experiment
11:25–11:45AM EDT
K. Zwijsen (Nuclear Research & Consultancy Group), S. Tajfirooz (Nuclear Research & Consultancy Group), F. Roelofs (Nuclear Research & Consultancy Group), A. Papukchiev (GRS), N. Edh (Vattenfall), E. Lillberg (Vattenfall)
URANS and Hybrid URANS/LES Coupled Fluid-Structure Simulations of Fluid-Induced Vibrations in a Square-Pitch Tube Bundle Subjected to Water Cross-Flows
11:45AM–12:05PM EDT
Daniele Vivaldi (IRSN), Jean Baccou (IRSN)
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