Chad Pope

Nuclear Power Plant Mechanical Component Flooding Fragility Experiments Status

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Nuclear Power Plant Mechanical Component Flooding Fragility Experiments FY-2017 Report

................................................................................................................................................ iii FIGURES ...................................................................................................................................................... v TABLES ..................................................................................................................................................... vii ACRONYMS ............................................................................................................................................. viii

Progress for the Industry Application External Hazard Analyses Early Demonstration

This report describes the current progress and status related to the Industry Application #2 focusing on External Hazards. For this industry application within the Light Water Reactor Sustainability (LWRS) Program Risk-Informed Safety Margin Characterization (RISMC) RD manage the communication and interactions between different physics modeling and analysis technologies; and develop the computational infrastructure through tools related to plant representation, scenario depiction, and physics prediction. One of the unique aspects of the RISMC approach is how it couples probabilistic approaches (the scenario) with mechanistic phenomena representation (the physics) through simulation. This simulation-based modeling allows decision makers to focus on a variety of safety, performance, or economic metrics. In this report, we describe the evaluation of various physics toolkits related to flooding representation. Ultimately, we will be coupling the flooding representation with other events such as earthquakes in order to providemorexa0» coupled physics analysis for scenarios where interactions exist.«xa0less