Verification of MCNP6.1, MCNP6.1.1, and MCNP6.2-pre for Criticality Safety Applications
- Monte Carlo Codes Group - XCP-3, Los Alamos National Laboratory PO Box 1663, MS A143, Los Alamos NM 87545 (United States)
Several suites of verification/validation benchmark problems were run in early 2016 to verify that MCNP6.1, MCNP6.1.1, and MCNP6.2-pre are performing correctly for nuclear criticality safety (NCS) applications. MCNP6.1 is the production version of MCNP{sup R} released in 2013; MCNP6.1.1 is the update released in 2014; MCNP6.2-pre is the pre-release development version of MCNP6.2, which is targeted for release in the near future. All versions of MCNP6 include all of the standard features for NCS calculations that have been available for the past 15 years, along with new features for sensitivity-uncertainty based methods for NCS validation. Results from the benchmark suites were compared with results from previous verification testing. Several standard criticality benchmark suites were used for the verification calculations: - VERIFICATION-KEFF - A suite of criticality problems for which exact analytical results are available, - VALIDATION-CRITICALITY - 31 ICSBEP problems, using ENDF/B-VII.1, - VALIDATION-CRIT-EXPANDED - 119 ICSBEP problems, using ENDF/B-VII.1. (authors)
- OSTI ID:
- 23042681
- Journal Information:
- Transactions of the American Nuclear Society, Vol. 115; Conference: 2016 ANS Winter Meeting and Nuclear Technology Expo, Las Vegas, NV (United States), 6-10 Nov 2016; Other Information: Country of input: France; 15 refs.; available from American Nuclear Society - ANS, 555 North Kensington Avenue, La Grange Park, IL 60526 (US); ISSN 0003-018X
- Country of Publication:
- United States
- Language:
- English
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