Conference Proceedings Paper
V&V; Methodology Comparissons: AIAA G-077(1998), ASME V&V; 20 (2009), ASTM E1355-05a(2005), NEA/CSNI/R(2007), and NRC CSAU(1988)
NURETH-14 - 2011 September 25-30
Spero Peters (University of Tennessee)
Lee Tschaepe (University of Tennessee)
Bi Zhang (University of Tennessee)
Arthur Ruggles (University of Tennessee)
The AIAA, ASME, NRC, NEA and NIST approaches to V&V are reviewed with emphasis on common elements and discussion of differences in intent. The AIAA, ASME, and NEA standards and guidelines apply specifically to CFD. The NIST standard as applicable to fire modeling using the Fire Dynamics Simulation (FDS) large eddy simulation CFD code as adopted by the USNRC is reviewed. The CSAU methodology was developed for reactor system simulations during anticipated transients and hypothetical accidents. CSAU is well established in the US nuclear safety community for providing best estimate simulation outcomes, with quantified uncertainties for prescribed confidence intervals.
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