2021 International Topical Meeting on Probabilistic Safety Assessment and Analysis (PSA 2021)

Full Issue

Checking the Reasonableness of a Bayesian Update

Matthew M. Degonish (Westinghouse Electric Co.), Carroll A. Trull (Westinghouse Electric Co.), Kenneth L. Kiper (Westinghouse Electric Co.)

Research Roadmap to Enhance Industry Legacy Probabilistic Risk Assessment Methods and Tools

Andrew Miller (Jensen Hughes), Stephen M. Hess (Jensen Hughes), Curtis L. Smith (INL)

Categorization of Reactor Sequences for Their Integration Into the SFP PSA Model

Cristina Israelsson Hilario (Tractebel ENGIE), Shizhen Yu (Tractebel ENGIE)

Use of Severe Accident Codes to Refine Large Early Release Frequency to Support Realism in LERF Estimates

Ricky Summitt (Engineering Planning and Management)

Satisfying a Risk Limit Curve

Richard S. Denning (Consultant)

Proposed Enhancements to the Risk-Informed and Performance-Based Regulatory Framework for Seismic Hazard Design at NRC Regulated Nuclear Power Plants

J. Stamatakos (Southwest Research Institute), B. Dasgupta (Southwest Research Institute), O. Pensado (Southwest Research Institute), N. Chokshi (Consultant), R. Budnitz (Consultant), M.K. Ravindra (Consultant)

Publication of the ASME/ANS Probabilistic Risk Assessment Standard for Advanced Non-Light Water Reactor Nuclear Power Plants

Karl Fleming (KNF Consulting Services), David Grabaskas (ANL)

Licensing Modernization Project for Operating Reactors

Matthew Humberstone (U.S. Nuclear Regulatory Commission), Alfred Hathaway (U.S. Nuclear Regulatory Commission), Keith Compton (U.S. Nuclear Regulatory Commission), Kurt G. Vedros (INL)

Defining Dependency in HRA

Vincent P. Paglioni (Univ. of Maryland), Katrina M. Groth (Univ. of Maryland)

Characterizing Human Performance: Detecting Targets at High False Alarm Rates.

Ann Speed (Sandia), Jason Wheeler (Sandia), John Russell (Sandia), Fred Oppel (Sandia), Danielle N. Sanchez (Sandia), Austin Silva (Sandia), Anna Chavez (Sandia)

Extracting Human Reliability Findings From Human Factors Studies in the Human Systems Simulation Laboratory

Heather Medema (INL), Jeremy Mohon (INL), Ronald Boring (INL)

Basis for Generic Approach to Human Failure Event Dependent Combination Identification

Don MacLeod (Jensen Hughes), Huafei Liao (X-Energy)

Risk-Informed Process for Evaluations

Antonios M. Zoulis (U.S. Nuclear Regulatory Commission)

Lessons Learned From Surveillance Test Interval Extension of Integrated Safeguards Actuation Test (ISAT) at Sizewell B

Ray Schneider (Westinghouse Electric Co.), Gary Douglas (Westinghouse Electric Co.), Kyle Hope (Westinghouse Electric Co.), Ashlyn Fornear (Westinghouse Electric Co.), Marinos Panayiotou (Corporate Risk Associates), Christopher Sharrock (EDF Energy)

Research Activities Associated With the Treatment of Potential Common-Cause Failures in Event and Condition Assessment

Christopher Hunter (U.S. Nuclear Regulatory Commission), Ching Ng (US Nuclear Regulatory Commission), Mehdi Reisi Fard (U.S. Nuclear Regulatory Commission), Zhegang Ma (INL), Sai Zhang (INL)

OECD Nuclear Energy Agency Working Group WGRISK Current Activities -- An Overview

Marina Roewekamp (Gesellschaft für Anlagen- und Reaktorsicherheit), Attila Bareith (NUBIKI Nuclear Safety Research Institute), Michelle Gonzalez (U. S. Regulatory Commission Office for Research), Jörg Peschke (Gesellschaft für Anlagen- und Reaktorsicherheit)

Demonstration of MACCS Capabilities for Advanced Reactors: Normalized Dose Assessment and Radionuclide Sensitivity Analysis for a High Temperature Gas Reactor Mechanistic Source Term

J. Leute (Sandia), M. Smith (Sandia), E. Leonard (Sandia), N. Andrews (Sandia), D. Luxat (Sandia), K. Wagner (Sandia)

Shutdown Level 2 PSA Methodology for a Small Modular Reactor

Hugo da Costa Romberg Júnior (Univ. of São Paulo), Nathália Nunes Araújo (Univ. of São Paulo), Maritza Rodriguez Gual (Univ. of São Paulo), Marcos Coelho Maturana (Univ. of São Paulo), Marcelo Ramos Martins (Univ. of São Paulo)

Sodium Filter Performance in the NaSCoRD Database

Jamal A. Mohmand (Sandia), Andrew J. Clark (Sandia)

Data Post-Processing for Dynamic Probabilistic Risk Assessment

Yunfei Zhao (Ohio State Univ.), Mengfan Zhu (Ohio State Univ.), Carol Smidts (Ohio State Univ.)

Dynamic PSA Studies for Advanced Reactor Using RAVEN

M. Hari Prasad (Bhabha Atomic Research Centre), Mahendra Prasad (Bhabha Atomic Research Centre), Mithilesh Kumar (Bhabha Atomic Research Centre), Gopika Vinod (Bhabha Atomic Research Centre), Curtis L. Smith (INL)

Using Operational Experience to Support Dynamic PRA Activities

Michelle Gonzalez (U.S. Nuclear Regulatory Commission), Nathan Siu (U.S. Nuclear Regulatory Commission)

Risk Applications of Extreme Seismic Hazard Modeling

Luke McSweeney (X-energy)

Challenges and Lessons Learned During the Development of an AP1000® Plant Seismic Probabilistic Risk Assessment

Rachel Christian (Westinghouse Electric Co.), Andrea Maioli (Westinghouse Electric Co.), Mustafa Ozkan (Westinghouse Electric Co.), Kai Zhang (Westinghouse Electric Co.), Parthasarathy Chandran (Southern Co.), Benny Ratnagaran (Southern Co.)

Experience Feedback From Implementation of Seismic PSA on EDF 900 MWe Units

Hugo Jadot (EDF), Thi-Lien Do (EDF), Emilie Poirier (EDF), Olivier Fabre (EDF)

Leveraging Risk Insights Frameworks for Aging Management at Nuclear Reactors

Fernando Ferrante (EPRI), Emma Wong (EPRI), Andrew Mantey (EPRI), Jessica Bock (Ameren Missouri), Justin Hiller (Ameren Missouri), Barry Thurston (Exelon Nuclear Generation), Suzanne Lloyd (Exelon Nuclear Generation), Nina Lacôme (Exelon Nuclear Generation), Seth Rios (Exelon Nuclear Generation), Larry Lee (Jensen Hughes), Andrew Williamson (Jensen Hughes)

Evaluation of the Impact of Steam Generator Aging and ATF on Operator Actions During SBLOCA Without HPSI

Jintae Kim (Ohio State Univ.), Tunc Aldemir (Ohio State Univ.), Asad Ullah Amin Shah (Rensselaer Polytechnic Institute), Hyun Gook Kang (Rensselaer Polytechnic Institute)

Value of Information-Based Optimal Sensors Positioning by Subset Simulation for Condition-Based PSA

Seyed Mojtaba Hoseyni (Politecnico di Milano), Francesco Di Maio (Politecnico di Milano), Enrico Zio (Politecnico di Milano)

Reliability of Power System Including Renewable Sources With and Without Nuclear Power Plants

Marko Cepin (Univ. of Ljubljana), Aljaz Spelko (Univ. of Ljubljana)

Use of Machine Learning to Evaluate Maintenance Rule Functional Failures at Exelon

Stephen M. Hess (Jensen Hughes), Jonathan L. Hodges (Jensen Hughes), Jenna M. Burr (Exelon Generation), Scott W. Diven (Exelon Generation)

Fault Tree Generation From P&IDs Using Deep Learning

Jaydeep Thik (Ohio State Univ.), Xiaoxu Diao (Ohio State Univ), Pavan Kumar Vaddi (Ohio State Univ.), Carol Smidts (Ohio State Univ.)

Integration of Data Analytics With System Health Programs

D. Mandelli (INL), C. Wang (INL), S. Hess (Jensen Hughes), R. Sugrue (Jensen Hughes), D. Morton (Northwestern Univ.), I. Popova (Texas State Univ.), C. Pope (Idaho State Univ.), J. Miller (Idaho State Univ.), S. Ercanbrack (Idaho State Univ.), D. Cole (Univ. of Pittsburgh), J. Yurko (Univ. of Pittsburgh)

Use of Data Analytics to Evaluate Nuclear Plant Maintenance Historical Data

Stephen M. Hess (Jensen Hughes), Jonathan L. Hodges (Jensen Hughes), Stefan M. Kraft (Jensen Hughes), David Olack (EPRI), Jeff Greene (EPRI)

Model-Based Decomposition and Backtracking Framework for Probabilistic Risk Assessment in Automated Vehicle Systems

Linda Capito (The Ohio State Univ.), Keith Redmill (The Ohio State Univ.), Umit Ozguner (Oztech)

Quantification of Mission Reliability for Urban Air Mobility Quadcopter Using Dynamic Event Trees

Gulcin Sarici Turkmen (The Ohio State Univ.), Tunc Aldemir (The Ohio State Univ.), Srujal A. Patel (Georgia Institute of Technology), Matilde D'Arpino (The Ohio State Univ.), Etienne Demers Bouchard (Georgia Institute of Technology), Jonathan C. Gladin (Georgia Institute of Technology), Cedric Y. Justin (Georgia Institute of Technology)

Safety Assessment of the Novel Distributed/Hybrid Electric Propulsion Architectures for Urban Air Mobility Vehicles

Eddie Li (Georgia Institute of Technology), Srujal A. Patel (Georgia Institute of Technology), Matilde D'Arpino (The Ohio State Univ.), Metin F. Ozcan (Georgia Institute of Technology), Jonathan C. Gladin (Georgia Institute of Technology), Cedric Y. Justin (Georgia Institute of Technology), Dimitri Mavris (Georgia Institute of Technology)

Improved Economics and Reliability While Maintaining High Levels of Safety -- Achievements and On-Going R&D Within RISA Pathway

Svetlana Lawrence (INL), Curtis L. Smith (INL), Diego Mandelli (INL), Ronald L. Boring (INL)

The Versatile Economic Risk Tool (VERT)

Jaden Miller (Idaho State Univ.), Spencer Ercanbrack (Idaho State Univ.), Chad Pope (Idaho State Univ.)

Multicriterion Benefit Evaluation of Deploying New Battery Technology With Increased Capacity at a Generic Nuclear Power Plant

Sai Zhang (INL), Zhegang Ma (INL), Hongbin Zhang (INL)

I-PRA Risk- and Cost-Informed Decision-Making Algorithm for Nuclear Power Plants

Sari Alkhatib (Univ. of Illinois at Urbana-Champaign), Tatsuya Sakurahara (Univ. of Illinois at Urbana-Champaign), Seyed Reihani (Univ. of Illinois Urbana-Champaign), Ernest Kee (Univ. of Illinois at Urbana-Champaign), Zahra Mohaghegh (Univ. of Illinois Urbana-Champaign)

Dynamic Probabilistic Risk Assessment for Electric Grid Cybersecurity Risk Assessment

Xiaoxu Diao (Ohio State Univ.), Yunfei Zhao (Ohio State Univ.), Carol Smidts (Ohio State Univ.), Hangtian Lei (Univ. of Idaho), Brian K. Johnson (Univ. of Idaho)

Impact of Different Time Discretization Methods on Dynamic Bayesian Network-Based Dynamic Probabilistic Safety Assessments

Austin D. Lewis (Univ. of Maryland), Katrina M. Groth (Univ. of Maryland)

Dynamic PSA Framework With Optimization Algorithm Applied to a Large LOCA Scenario

Jong Woo Park (Ulsan National Institute of Science & Technology), Seung Jun Lee (Ulsan National Institute of Science and Technology)

Sensitivity Analysis for Effectiveness of Flex Strategy Under Station Blackout Accident Scenario

Asad Ullah Amin Shah (Rensselaer Polytechnic Institute), Hyun Gook Kang (Rensselaer Polytechnic Institute), Robby Christian (INL)

Development of Plant-Specific Offsite Power Non-Recovery Factors for High Winds Probabilistic Risk Assessment

Kyle Hope (Westinghouse Electric Co.), Jenifer Avellaneda Diaz (Westinghouse Electric Co.), Daniel Tirsun (Westinghouse Electric Co.)

Challenges and Lessons Learned With Using FRANX for Development of High Winds Probabilistic Risk Assessment Fault Trees

Kyle Hope (Westinghouse Electric Co.), Jenifer Avellaneda Diaz (Westinghouse Electric Co.), Daniel Tirsun (Westinghouse Electric Co.)

Insights From Straight Winds Validation of the Tornado Missile Strike Calculator

Kyle Hope (Westinghouse Electric Co.), Nicole Gaussa (Westinghouse Electric Co.), Chris Rochon (EPRI)

Evaluation of Combined External Hazards Research Needs

Stephen M. Hess (Jensen Hughes), Leo B. Shanley (Jensen Hughes), Nicholas Lovelace (Jensen Hughes), Ashley Lindeman (EPRI)

IRSN Challenges on Development and Review of PSA

E. Raimond (IRSN), N. Rahni (IRSN), C. Deust (IRSN), G. Georgescu (IRSN)

Accelerating the Adoption of DPRA and Hybrid PRA Analyses Using the RAVEN and EMRALD Tools Deployed Within the Digital Enterprise Platform, FPoli-AAP

Jarrett Valeri (FPoliSolutions), Cesare Frepoli (FPoliSolutions), Curtis Smith (INL), Andrea Alfonsi (INL), Steven Prescott (INL), Cristian Rabiti (INL)

On the Language of Reliability: A System Engineer Perspective

D. Mandelli (INL), C. Wang (INL), S. Hess (Jensen Hughes)

Risk-Conscious Operations Management for Nuclear Plants

Prabhakar V. Varde (Bhabha Atomic Research Centre)

Backward Failure Propagation for Conceptual System Design Using ISFA

Ali Mansoor (Ohio State Univ.), Xiaoxu Diao (Ohio State Univ.), Carol Smidts (Ohio State Univ.)

A Bayesian and HRA-Aided Method for the Novel Reliability Analysis of Software

Tate Shorthill (Univ. of Pittsburgh), Heng Ban (Univ. of Pittsburgh), Han Bao (INL), Hongbin Zhang (INL)

Development of Fuel-Specific Leak Frequencies Using a Hierarchical Probability Distribution Model With Bayesian Update

Dusty M. Brooks (Sandia), Brian D. Ehrhart (Sandia), Chris B. LaFleur (Sandia), Garrett W. Mulcahy (Purdue Univ.)

Development and Implementation of Risk-Monitor System for the Possibility of Performing Maintenance of Systems Important for Safety for Unit With VVER-1000 Reactor During Operation at Power

V. Demianiuk (NT-Engineering), M. Hlushchenko (NT-Engineering)

Internal Explosion Level 1 PSA: Probabilistic Assessment of Hydrogen Risk in French Nuclear Power Plants

Yannick Lefebvre (EDF), Cécile Luzoir (EDF), Hugo Jadot (EDF), Jérémy Gaudron (EDF)

Addressing Loss of Room Cooling in PRA Modeling

Joshua S. Beckton (Westinghouse Electric Co.)

Development of SAMG-FT/ET Model for Level 2 PRA of OPR-1000 NPPs

Sang Hun Lee (KAERI), Jaehyun Cho (KAERI), Jaewhan Kim (KAERI)

Modeling Portable Equipment in Probabilistic Safety Assessment of Nuclear Power Plants

Ji Suk Kim (Chung-Ang Univ.), Man Cheol Kim (Chung-Ang Univ.), Kibeom Son (Kyung Hee Univ.), Gyunyoung Heo (Kyung Hee Univ.), Gayoung Park (Chosun Univ.), Jonghyun Kim (Chosun Univ.), Meejeong Hwang (KAERI), Moosung Jae (Hanyang Univ.)

Review of Operating Experience and Fragility Development During Flooding Incidents at Nuclear Power Stations

Joy Shen (Univ. of Maryland), Michelle Bensi (Univ. of Maryland), Mohammad Modarres (Univ. of Maryland)

Development of Generic Fire Ignition Frequency Distributions for Japanese Nuclear Power Plants

Yasunori Nagata (Central Research Institute of Electric Power Industry), Tsuyoshi Uchida (Central Research Institute of Electric Power Industry), Tomoaki Yoshida (Central Research Institute of Electric Power Industry), Koji Shirai (Central Research Institute of Electric Power Industry)

Effect of Frequency Contents of Seismic Ground Motion on NPP Equipment

Na-Hyun Kim (KAERI), Tae-Hyun Kwon (KAERI), In-Kil Choi (KAERI)

Prediction of Floor Response During Earthquakes in Long-Term Operation of Nuclear Power Plant Using Artificial Neural Networks

Jeong-Gon Ha (KAERI), Tae-Hyun Kwon (KAERI)

Insights From Implementing a Fire PRA Training During Extended Telecommuting Situation

Young G. Jo (Southern Nuclear Operating Co.)

Visualization and Automation of Fire Modeling Using Fire Risk Investigation in 3D (FRI3D)

Steven Prescott (INL), Robby Christian (INL), John Biersdorf (INL), Kurt Vedros (INL), Ramprasad Sampath (Centroid Lab)

Risk-Informing Nuclear Facility Emergency Preparedness

F. Gregory Hudson (Metcalfe), Ronald J. Markovich (Contingency Management Consulting Group)

Fire Probabilistic Risk Assessment on Pre-Operational Plant

Michele L. Reed (Westinghouse Electric Co.), Young G. Jo (Southern Nuclear Operating Co.)

How to Assess a PSA Involving Passive Systems With a Number of CATHARE Code Runs Within an Industrial Context

Yann Morvan (EDF), Elisabeth Duvillard (EDF)

Development and Application of Risk Analysis Toolkit for Plant Resource Optimization

D. Mandelli (INL), C. Wang (INL), S. Hess (Jensen Hughes), D. P. Morton (Northwestern Univ.), I. Popova (Texas State Univ.)

Managing Unexpected Failures of Nuclear Power Plants by Incorporating Organizational Factors Into Probabilistic Risk Assessment

Andrea Roy (Univ. of Illinois at Urbana-Champaign), Pegah Farshadmanesh (Univ. of Illinois at Urbana-Champaign), Tatsuya Sakurahara (Univ. of Illinois at Urbana-Champaign), Ernie Kee (Univ. of Illinois at Urbana-Champaign), Zahra Mohaghegh (Univ. of Illinois at Urbana-Champaign)

Automatic Generation of Event Trees and Fault Trees: A Model-Based Approach

D. Mandelli (INL), A. Alfonsi (INL), T. Aldemir (Ohio State Univ.)

Risk-Informed Access Delay Timeline Development

Douglas M. Osborn (Sandia), Dusty Brooks (Sandia), Andrew Thompson (Sandia)

Risk-Informed Approaches for Physical Security

Douglas M. Osborn (Sandia), Adam Williams (Sandia), Susan Caskey (Sandia), Andrew Clark (Sandia), Gregory Wyss (Sandia)

Methodology and Application of Physical Security Effectiveness Based on Dynamic Force-on-Force Modeling

Robby Christian (INL), Vaibhav Yadav (INL), Stephen Prescott (INL), Shawn St. Germain (INL)

Integrated Safety and Security Analysis of Nuclear Power Plants Using Dynamic Event Trees

Brian Cohn (The Ohio State Univ.), Tunc Aldemir (The Ohio State Univ.), Troy Haskin (Sandia), Todd Noel (Sandia), Jeffrey Cardoni (Sandia), Douglas Osborn (Sandia)

Advanced Thermal Hydraulic Simulations for Probabilistic Safety Assessment: Important Data for Human Reliability Quantification

C. Picoco (EDF), V. Rychkov (EDF)

Phoenix Human Reliability Analysis Method: Application to a Feed and Bleed Operation

Marilia Ramos (UCLA), Ali Mosleh (UCLA), Kanoko Nishiono (Secretariat of Nuclear Regulation Authority), Haruaki Ueda (Secretariat of Nuclear Regulation Authority), Yoshikane Hamaguchi (Secretariat of Nuclear Regulation Authority)

Human Factors Considerations for Automating Microreactors

Elizabeth S. Fleming (Sandia), Megan Nyre-Yu (Sandia), David L. Luxat (Sandia)

Analysis of Simulator Data for Human Error Probability Using Coupling Method

Mahendra Prasad (BARC), Vipul Garg (BARC), Gopika Vinod (BARC)

External Hazards Screening: Solar Flares

Kyle Hope (Westinghouse Electric Co.), Ray Schneider (Westinghouse Electric Co.), Young G. Jo (Southern Nuclear Co.)

Model-in-the-Loop Control Design for Seismic Testing of Base-Isolated Nuclear Equipment

Sai Sharath Parsi (Univ. at Buffalo), Mettupalayam V. Sivaselvan (Univ. at Buffalo), Andrew S. Whittaker (Univ. at Buffalo)

Partially Correlated Fragilities in Seismic PRA Using Damage Capacity: A General Distribution-Free Approach

Se-Kwon Jung (Duke Energy)

Theoretical Analysis and Numerical Simulation of the Seismic Response of Liquid-Filled, Head-Supported Reactor Vessels

Ching-Ching Yu (Univ. at Buffalo), Faizan Ul Haq Mir (Univ. at Buffalo), Andrew S. Whittaker (Univ. at Buffalo)

Practical Insights for Assessing Multi-Unit Risk to Support Risk-Informed Decision-Making

Fernando Ferrante (EPRI), Andrea Maioli (Westinghouse Electric Co.), Ken Kiper (Westinghouse Electric Co.), Carrol Trull (Westinghouse Electric Co.), Adriana A. Sivori (Westinghouse Electric Co.)

IAEA Safety Report on Multi-Unit Probabilistic Safety Assessment

Shahen Poghosyan (IAEA), Ovidiu Coman (IAEA), Dennis Henneke (GE Hitachi Nuclear Energy)

Analysis of Common Cause Failures With Effects of Degradation and Maintenance

Taotao Zhou (Univ. of Maryland), Mohammad Modarres (Univ. of Maryland), Enrique López Droguett (Univ. of Chile)

PSA-Based Seismic Margin Assessment for a New Reactor Design

Manuel Pellissetti (Framatome), Gerben Dirksen (Framatome), Artem Shevchenko (Framatome), Hugo Jadot (EDF), Romain Tricard (EDVANCE)

Analysis of Outlying Simulations for PWR Accidental Transients

Álvaro Rollón de Pinedo (EDF), Bertrand Iooss (EDF), Roman Sueur (EDF), Nathalie Marie (CEA), Amandine Marrel (CEA), Elsa Merle (LPSC)

Standardized Probabilistic Safety Assessment Models: Status and First Results of SPAR-CSN Project

Enrique Meléndez (Consejo de Seguridad Nuclear), Cesar Queral (Universidad Politecnica de Madrid), Carlos París (Universidad Politécnica de Madrid), Miguel Sánchez (Consejo de Seguridad Nuclear), Marcos Cabezas (Universidad Politécnica de Madrid), Santiago Arrazola (Universidad Politécnica de Madrid), Sergio Courtin (Universidad Politécnica de Madrid), David Castro (Universidad Politécnica de Madrid), Rafael Iglesias (Universidad Politécnica de Madrid)

Practical Approach for Uncertainty Quantification and Sensitivity Analysis in Fire Probabilistic Risk Assessment Modeling

Fernando Ferrante (EPRI), Ashley Lindeman (EPRI), Marko Randelovic (EPRI), Georgi Georgiev (Jacobsen Analytics), Paul Boneham (Jacobsen Analytics)

Uncertainty and Sensitivity Analyses With SUSA for a Station Blackout Scenario Calculated by MELCOR

Sören Johst (Gesellschaft für Anlagen- und Reaktorsicherheit), Michael Kowalik (Gesellschaft für Anlagen- und Reaktorsicherheit), Michael Hage (Gesellschaft für Anlagen- und Reaktorsicherheit)

Belgian Spent Fuel Pool Internal Events PSA

Filip Van Opstal (Tractebel ENGIE), Bogdan Golovchuk (Tractebel ENGIE)

Belgian Spent Fuel Pool Internal Hazards PSA

Bogdan Golovchuk (Tractebel ENGIE), Filip Van Opstal (Tractebel ENGIE)

Development of Level 1 Internal Event Single-Unit PSA Models for Multi-Unit Risk Profiles

Kibeom Son (Kyung Hee Univ.), Gyunyoung Heo (Kyung Hee Univ.), Ji Suk Kim (Chung-Ang Univ.), Man Cheol Kim (Chung-Ang Univ.), Gayoung Park (Chosun Univ.), Jonghyun Kim (Chosun Univ.), Meejeong Hwang (KAERI), Moosung Jae (Hanyang Univ.)

Methodological and Computational Developments for Fire Scenario Selection and Analysis in Fire PRA of Nuclear Power Plants

Sari Alkhatib (Univ. of Illinois at Urbana-Champaign), Tatsuya Sakurahara (Univ. of Illinois at Urbana-Champaign), Seyed Reihani (Univ. of Illinois at Urbana Champaign), Ernest Kee (Univ. of Illinois at Urbana-Champaign), Zahra Mohaghegh (Univ. of Illinois at Urbana Champaign), Brian Ratte (South Texas Project Nuclear Operating Co.), Kristin Kaspar (South Texas Project Nuclear Operating Co.), Mary Ann Billings (South Texas Project Nuclear Operating Co.), Sean Hunt (Jensen Hughes)

Screening Process for Individual and Correlated External Hazards - Application on the 1300MWe French Series

Jeremy Gaudron (EDF), Cécile Luzoir (EDF), Yannick Lefebvre (EDF), Hugo Jadot (EDF)

Probabilistic Framework for Description of Radioiodine Behavior at Fukushima Accidents

Adolf Rydl (INSET)

Analysis of Criteria Applicable to the Screening Approach Used in PSA for External Events

Thiago Padilha da Silva (Navy Technological Center in São Paulo), Marcos Coelho Maturana (Navy Technological Center in São Paulo), Miguel Mattar Neto (Instituto de Pesquisas Energéticas e Nucleares), Patricia da Silva Pagetti de Oliveira (Instituto de Pesquisas Energéticas e Nucleares)

Implementation of Methodology for Maintenance-Induced Internal Floods

Robert J. Wolfgang (Jensen Hughes), Samuel Falvo (Jensen Hughes)

Benchmarking IDHEAS-ECA Using Data From the Presidential Election Recounts

Yung Hsien James Chang (U.S. Nuclear Regulatory Commission)

A Framework to Extrapolate and Evaluate Human Reliability Causal Models From Event Report Narratives

Andres Ruiz-Tagle (Univ. of Maryland), Vincent P. Paglioni (Univ. of Maryland), Enrique Lopez-Droguett (Univ. of California, Los Angeles), Katrina M. Groth (Univ. of Maryland)

Feasibility of the TACOM Measure as a Yardstick to Identify the Level of Task Complexities Under a Procedure Guided Task Environment

Jinkyun Park (KAERI), Inseok Jang (KAERI), Yochan Kim (KAERI)

A Taxonomy and Meta-Analysis Template for Combining Disparate Data to Understand the Effect of Digital Environments on Human Reliability

Mary Presley (EPRI), Ronald Boring (INL), Thomas Ulrich (INL), Heather Medema (INL), Jeremy Mohon (INL), Marialaura Delvecchio (Institute for Energy Technology), Salvatore Massaiu (Institute for Energy Technology), Andreas Bye (Institute for Energy Technology), Jinkyun Park (KAERI), Yochan Kim (KAERI), Jeffrey A. Julius (Jensen Hughes)

Simplified Adding and Retrieving Nuclear Data To/From LIDAR Models

Steven Prescott (INL), Michael Ziccarelli (INL), Eric Allen (Environmental Intellect)

Limit Surface Search Algorithm With Artificial Neural Network and Monte Carlo Dropout Uncertainty Quantification

Junyong Bae (Ulsan National Institute of Science & Technology), Jong Woo Park (Ulsan National Institute of Science & Technology), Seung Jun Lee (Ulsan National Institute of Science and Technology)

Deep Transformer Network for Time Series Classification: The NPP Safety Case

Bing Zha (Ohio State Univ.), Alessandro Vanni (Texas A&M Univ.), Yassin Hassan (Texas A&M Univ.), Tunc Aldemir (Ohio State Univ.), Alper Yilmaz (Ohio State Univ.)

A Case Study in Fault Tree Application for Target Set Selection

Rachel Christian (Westinghouse Electric Co.), Heather Detar (Westinghouse Electric Co.), Stephen Reed (Westinghouse Electric Co.), Michael Sleigh (Westinghouse Electric Co.)

A Multilayer Network Approach to Assessing the Impact of Human Performance Shaping Factors on Security for Nuclear Power Plants

Adam D. Williams (Sandia), Elizabeth S. Fleming (Sandia)

A Case for Risk-Informing Nuclear Power Plant Cyber Security

F. Gregory Hudson (Metcalfe)

GOFACS: Generator of Fragility Assessment for Coupled Systems, Structures and Components

Marine Marcilhac (IRSN), Nadia Rahni (IRSN), Emmanuel Raimond (IRSN), El Hadi Moussi (Phimeca Engineering), Karina Macocco (Phimeca Engineering), Gaëtan Blondet (Phimeca Engineering)

Simplified Bayesian Network Framework for Beyond-Design-Basis PRA

Pragya Vaishanav (NC State Univ.), Saran Srikanth Bodda (NC State Univ.), Abhinav Gupta (NC State Univ.)

Quantification of Human Error Probability of SBLOCA Mitigation Actions of a Pressurized Water Reactor

T.C. Wang (National Tsing Hua Univ.), M. Lee (National Tsing Hua Univ.), Y.M. Chen (Texas A&M Univ.)

Methodology to Streamline Periodic Seismic Safety Evaluations of Nuclear Power Plant (NPP) Structures Systems and Components (SSCs)

Sai Chowdeswara Rao Korlapati (RIZZO International), Yigit Isbiliroglu (RIZZO International), Yogesh Rathod (RIZZO International), Cengiz Erdogan (RIZZO International), Piyush Mehta (RIZZO International), Nish Vaidya (RIZZO International), Olivier Nusbaumer (Kernkraftwerk Leibstadt)

Research to Develop Flood Barrier Testing Strategies for Nuclear Power Plants

Zhegang Ma (INL), Sai Zhang (INL), Curtis Smith (INL), Chad Pope (Idaho State Univ.)

Key Insights, Limits and Projections for EDF's External Flooding PRAs

Jeremy Gaudron (Electricité de France), Cécile Luzoir (Electricité de France)

Validation of Numerical Models for Seismic Analysis of Submerged Components in Advanced Reactors

Faizan Ul Haq Mir (Univ. at Buffalo), Ching-Ching Yu (Univ. at Buffalo), Andrew S. Whittaker (Univ. at Buffalo)

Modeling FLEX Human Actions Using the EMRALD Dynamic Risk Assessment Tool

Jooyoung Park (INL), Thomas A. Ulrich (INL), Ronald L. Boring (INL), Sai Zhang (INL), Zhegang Ma (INL), Hongbin Zhang (INL)

Discrete-Time Bayesian Networks Applied to Reliability of Flexible Coping Strategies of Nuclear Power Plants

Elvan Sahin (Virginia Polytechnic Institute and State Univ.), Victor C.Leite (Pennsylvania State University), Juliana P. Duarte (Virginia Polytechnic Institute and State Univ.)

Effectiveness of Accident Mitigation Strategies Based on Mobile Equipment in Nuclear Power Plants

W. C. Seol (Nuclear Engineering Services & Solutions), J. W. Heo (Nuclear Engineering Services & Solutions), H. S. Chang (Nuclear Engineering Services & Solutions), S. R. Kim (Nuclear Engineering Services & Solutions), D. I. Choi (Nuclear Engineering Services & Solutions), M. S. Yang (Nuclear Engineering Services & Solutions), S.W. Ha (Nuclear Engineering Services & Solutions)

Incorporation of FLEX Strategies and Equipment Into Probabilistic Risk Assessment Models of Nuclear Power Plants

Ching Ng (U.S. Nuclear Regulatory Commission), Selim Sancaktar (U.S. Nuclear Regulatory Commission), Robert Buell (INL)

PSA Model Development for Using Fire Water System and Associated Mobile Equipment in Support of Accident Mitigation

Tamas Siklossy (NUBIKI Nuclear Safety Research Institute), Attila Bareith (NUBIKI Nuclear Safety Research Institute), Nora Eigemann (NUBIKI Nuclear Safety Research Institute), David Hollo (NUBIKI Nuclear Safety Research Institute)

Statistical Study on the Selection of Significant PSF Variables and the Estimation of Their Effects From APR1400 Hurex Data

Yochan Kim (KAERI), Jinkyun Park (KAERI), Mary Presley (EPRI)

IDHEAS Suite for Human Reliability Analysis

Y. James Chang (U.S. Nuclear Regulatory Commission), Jing Xing (U.S. Nuclear Regulatory Commission), Jonathan DeJesus Segarra (U.S. Nuclear Regulatory Commission)

Human Reliability Analysis (HRA) Relationships – What Are They and Best Practices for Defining Them

Matt Nudi (EPRI), John Weglian (EPRI), Kaydee Gunter (Jensen Hughes), Michael Hirt (Jensen Hughes), Jeffery A. Julius (Jensen Hughes)

Integration of Nuclear Power Plant Safety and Security Codes Through EMRALD

Brian Cohn (Sandia), Emily Sandt (Sandia), Douglas Osborn (Sandia), Steve Prescott (INL), Robby Christian (INL)

Exploring Vital Area Identification Using Systems-Theoretic Process Analysis

Emily Sandt (Sandia), Andrew Clark (Sandia), Adam Williams (Sandia), Brian Cohn (Sandia), Douglas Osborn (Sandia), Tunc Aldemir (The Ohio State Univ.)

Advantages of Direct Coupling of Dynamic PRA and Physical Security Simulation, Adding Operator Actions and Risk Methodologies

John Halsema (ARES Security), Christopher Guryan (ARES Security), Ben Russell (ARES Security), Christine Yeager (ARES Security), Steven Prescott (INL)

Integrating Human Reliability Analysis With Dynamic Modeling of Physical Security Effectiveness

Vaibhav Yadav (INL), Tina M. Miyake (INL), Robby Christian (INL), Steven Prescott (INL), Shawn St. Germain (INL), Ronald Boring (INL)