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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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February 2026
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ANS Congressional Fellowship program seeks 2027 applicants
Earlier this week, ANS opened the application process for the 2027 Glenn T. Seaborg Congressional Science and Engineering Fellowship, offering ANS members an opportunity to contribute directly to federal policymaking in Washington, D.C. Applications are due June 6.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Tuesday, June 17, 2025|10:00–11:45AM CDT|Purdue/Wisconsin
Session Chair:
Nathan O. Siu
Alternate Chair:
Jim Obrien
Session Organizer:
David Grabaskas
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A Sequential Decision-Making Formulation of Dynamic Probabilistic Risk Assessment
10:00–10:20AM CDT
Joseph F. O'Leary (University of Maryland, A. James Clark School of Engineering), Mohamed Nassar (University of Maryland, College Park), Yunfei Zhao (University of Maryland, College Park)
Paper
Time-Dependent Accident Sequence Generation Method Using Optimized Simulations for Dynamic PSA
10:20–10:40AM CDT
Wooseok Jo (Ulsan Nat'l Institute Science and Technology), Junyong Bae (Ulsan Nat'l Institute Science and Technology), Dongsan Kim (KAERI), Seung J. Lee (Ulsan Nat'l Institute Science and Technology)
Novel Result Visualization for Dynamic PSA and New Modeling Features in EMRALD
10:40–11:00AM CDT
Steven Prescott (INL), Daniel Nevius (INL), Jared Nielson (Idaho National Labratory)
Presentation Slides (Visible to Attendees)
Statechart Based Dynamic PRA Tool
11:00–11:20AM CDT
Valentin Rychkov (EDF R&D), Claudia Picoco (EDF R&D), Axel Terfloth (itemis AG)
Streamlined Simulation Using Scenario Weighting Method for Simulation and Storage Management
11:20–11:40AM CDT
Kyeong Seo Kim (Ulsan Nat'l Institute Science and Technology), Junyong Bae (Ulsan Nat'l Institute Science and Technology), Wooseok Jo (Ulsan Nat'l Institute Science and Technology), Seung Jun Lee (Ulsan Nat'l Institute Science and Technology)
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