WASHINGTON, Nov. 8 (TNSLrpt) -- Pacific Northwest National Laboratory (PNNL), operating under contract for the Office of Nuclear Regulatory Research at the U.S. Nuclear Regulatory Commission, has issued report number PNNL-33994, titled 'FAST-1.2 A Computer Code for Thermal-Mechanical Nuclear Fuel Analysis under Steady-state and Transients Developed under NQA-1-2017.' The document, authored by KJ Geelhood, DV Colameco, WG Luscher, L Kyriazidis, CE Goodson, J Corson, and JJ Whitman, offers a compr  more

WASHINGTON, Nov. 9 (TNSLrpt) -- The Pacific Northwest National Laboratory (PNNL) has released report PNNL-37799, titled 'Core Model Proposal 401: Ukraine as an Independent Region,' authored by Hassan Niazi, Roan P. Chadsey, Ying Zhang, Anastasiia Zagoruichyk, Pralit L. Patel, and Nazar Kholod. The report, prepared in June 2025 under Contract DE-AC05-76RL01830 for the U.S. Department of Energy, introduces Ukraine as an independent region within the Global Change Analysis Model (GCAM). The work, c  more

WASHINGTON, Nov. 8 (TNSLrpt) -- The Pacific Northwest National Laboratory (PNNL) has released report PNNL-35012, titled 'Watchmen 3.3.0 System Administrators Guide,' authored by DT Keller, RE Wilson, JB Chapman, CJ McCall, and CT Smith, and prepared for the U.S. Department of Energy under contract DE-AC05-76RL01830. Published in September 2023, the document provides critical instructions and context for administrators tasked with installing, configuring, and maintaining the Watchmen 3.3.0 suite.  more

WASHINGTON, Nov. 8 (TNSLrpt) -- Pacific Northwest National Laboratory (PNNL) has published report PNNL-35012, entitled 'Watchmen 3.3.0 System Administrators Guide,' issued by DT Keller, RE Wilson, JB Chapman, CJ McCall, and CT Smith for the U.S. Department of Energy under contract DE-AC05-76RL01830. Dated September 2023, the guide provides essential instructions and reference material for administrators responsible for the deployment and oversight of the Watchmen 3.3.0 monitoring suite. The doc  more

WASHINGTON, Nov. 8 (TNSLrpt) -- Pacific Northwest National Laboratory (PNNL) issued the report, 'FAST-1.0 Software Acceptance Testing Report' (PNNL-29769), authored by Ken Geelhood, David Colameco, and Travis Zipperer, in March 2020. This report details the successful acceptance testing of the FAST-1.0 software, a computer code system developed for the U.S. Department of Energy under Contract DE-AC05-76RL01830. FAST-1.0 represents the combination of the existing FRAPCON and FRAPTRAN fuel perform  more