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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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WIPP: Lessons in transportation safety
As part of a future consent-based approach by the federal government to site new deep geologic repositories for nuclear waste, local communities and states that are considering hosting such facilities are sure to have many questions. Currently, the Waste Isolation Pilot Plant in New Mexico is the only example of such a repository in operation, and it offers the opportunity for state and local officials to visit and judge for themselves the risks and benefits of hosting a similar facility. But its history can also provide lessons for these officials, particularly the political process leading up to the opening of WIPP, the safety of WIPP operations and transportation of waste from generator facilities to the site, and the economic impacts the project has had on the local area of Carlsbad, as well as the rest of the state of New Mexico.
Advanced Reactor Safety (ARS)
Technical Session
Wednesday, June 19, 2024|10:00–11:45AM PDT|Palm A
Session Chair:
Aslak Stubsgaard
Session Organizer:
Alternate Chair:
Mihai A. Diaconeasa
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Improving the Efficiency of Dynamic Probabilistic Risk Assessment with Monte Carlo Tree Search and Importance Sampling
10:00–10:20AM PDT
Joseph O'Leary (Univ. Maryland), Yunfei Zhao (Univ. Maryland)
Paper
Towards a Deep-Learning based Heuristic for Optimal Variable Ordering in Binary Decision Diagrams to Support Fault Tree Analysis
10:20–10:40AM PDT
Arjun Earthperson (NCSU), Egemen M. Aras (NCSU), Asmaa A. Farag (NCSU), Mihai A. Diaconeasa (NCSU)
Quantifying Safety System Unavailability Margins via Inverse Estimation of Event Sequence Frequencies
10:40–11:00AM PDT
Arjun Earthperson (NCSU), Priyanka M. Pandit (NCSU), Mihai A. Diaconeasa (NCSU)
Markov Decision Processes for Intelligent, Risk-Informed Asset-Management Decision-Making
11:00–11:20AM PDT
David Grabaskas (ANL), Yunfei Zhao (Ohio State), Carol Smidts (Ohio State), Vera Moiseytseva (ANL), Roberto Ponciroli (ANL), Pascal Brocheny (Framatome)
Data Updating Model Development with Bayesian Inference for Data Analysis for Probabilistic Risk Assessment Application
11:20–11:40AM PDT
Joomyung Lee (NCSU), Rawan Mustafa (NCSU), Mostafa Hamza (NCSU), Olivier Retourne (X-energy), Huafei Liao (X-energy), Glen Lawson (X-energy), Mihai A. Diaconeasa (NCSU)
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