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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
The transformation of the NRC: 50 years of commissioners
The dust is beginning to settle following the whirlwind of changes at the Nuclear Regulatory Commission over the past year, and 2025 ultimately may be viewed as a transformative year, as well as the year the NRC celebrated its golden anniversary. The 12 months of that milestone year brought more change to the agency in its composition, its mandate, and its relationship to the executive branch than any comparable period in the preceding four decades.
Now at 51 years and counting, the NRC is working with a full commission and issuing new rulemakings to both regulate and support the next round of nuclear deployments. With the turbulence of 2025 still fresh in our minds, Nuclear News decided it was a good time to revisit the professional backgrounds of all 42 NRC commissioners who have served over the agency’s 50-year history to see how the composition of the commission has evolved over time.
International High-Level Radioactive Waste Management Conference
Technical Session
Thursday, November 17, 2022|10:00–11:45AM MST|Lantana
Session Chair:
Eric Guiltinan (LANL)
Alternate Chair:
Matthew Paul (Sandia)
Session Organizer:
Emily R. Stein
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Advancements in High-Performance Multi-Physics Simulation Capabilities for the Geologic Disposal Safety Assessment Framework
10:00–10:20AM MST
Michael Nole (Sandia), David Fukuyama (Sandia), Rosie Leone (Sandia), Heeho Park (Sandia), Matthew Paul (Sandia), Alex Salazar (Sandia)
Paper
Development of a Fully Implicit Flow and Solute Transport Model in PFLOTRAN
10:20–10:40AM MST
David Fukuyama (Sandia), Michael Nole (Sandia)
Characteristics of a Steel/Clay Model System Under Repository Conditions
10:40–11:00AM MST
Margit Fabian (Centre for Energy Research), Istvan Tolnai (Centre for Energy Research), Otto Czompoly (Centre for Energy Research), Janos Osan (Centre for Energy Research), Elod Laszlo Aradi (Eötvös Loránd Univ.)
Model Development of Coupled THMC Processes for a Geological Repository at Higher Temperature Region
11:00–11:20AM MST
Yusaku Takubo (Nuclear Waste Mgmt. Org. Japan), Yusuke Takayama (Japan Atomic Energy Agency), Andres Idiart (AMPHOS 21 Consulting), Tatsuya Tanaka (Obayashi Corp.), Keisuke Ishida (Nuclear Waste Mgmt. Org. Japan), Kiyoshi Fujisaki (Nuclear Waste Mgmt. Org. Japan)
Model Development for THM Simulations of a Full-Scale Heater Emplacement in Opalinus Clay
11:20–11:40AM MST
Teklu Hadgu (Sandia), Thomas Dewers (Sandia), Edward Matteo (Sandia)
