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Title: RAVEN, a New Software for Dynamic Risk Analysis

RAVEN is a generic software driver to perform parametric and probabilistic analysis of code simulating complex systems. Initially developed to provide dynamic risk analysis capabilities to the RELAP-7 code [1] is currently being generalized with the addition of Application Programming Interfaces (APIs). These interfaces are used to extend RAVEN capabilities to any software as long as all the parameters that need to be perturbed are accessible by inputs files or directly via python interfaces. RAVEN is capable to investigate the system response probing the input space using Monte Carlo, grid strategies, or Latin Hyper Cube schemes, but its strength is its focus toward system feature discovery like limit surfaces separating regions of the input space leading to system failure using dynamic supervised learning techniques. The paper will present an overview of the software capabilities and their implementation schemes followed by same application examples.
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Conference: Probabilistic Safety Assessment & Management ,Sheraton Waikiki, Honolulu, HI,06/22/2014,06/27/2014
Research Org:
Idaho National Laboratory (INL)
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Country of Publication:
United States
97 MATHEMATICS AND COMPUTING Limit Surface; PRA; RAVEN; reactor modeling; Reliability