To enhance the legacy risk analysis tools and methods currently used in the nuclear power industry.
The use of legacy probabilistic risk assessment (PRA) tools is fundamental to nuclear power plant operations and the Reactor Oversight Program's regulatory infrastructure in the U.S. However, the application of legacy tools and methods has demonstrated that complexity, high modeling-resource requirements, and lengthy analysis times make the use of legacy PRA tools complicated.
Researchers will develop solutions to challenges associated with the legacy PRA tools. Based upon recent industry concerns and feedback, the project will focus on three high-priority areas: (1) quantification speed to support decision-making, (2) dependency modeling of human-related basic events, and (3) integration of multiple-hazard models for better risk insights.
2022—provide solutions for the highest-priority challenges in PRA modeling, simulations, and analyses using traditional PRA tools and methods
2024—complete advanced development of an enhanced modeling and maintenance approach for legacy PRA applications
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