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FY24 Advancements in PFLOTRAN Development for GDSA Framework

Park, Heeho D.; Fukuyama, David E.; Leone, Rosemary C.; Paul, Matthew J.; Bays, Nathan R.; Madsen, Calvin F.; Rechard, Robert P.

The Spent Fuel & Waste Science and Technology (SFWST) Campaign of the Office of Spent Fuel & Waste Disposition of U.S. Department of Energy Office of Nuclear Energy (DOE-NE) is conducting research and development on geologic disposal of spent nuclear fuel (SNF) and high-level nuclear waste (HLW). This report describes fiscal year 2024 accomplishments in the Geologic Disposal Safety Assessment (GDSA) PFLOTRAN Development work package, which is charged with developing subsurface simulation software for postclosure performance assessment of deep geologic disposal of SNF and HLW.