TY - RPRT TI - Numerical Method Improvements in Griffin for Pebble Bed Reactors with a Focus on the Computation of Burnup AU - Hanophy, Joshua Thomas [Idaho National Laboratory] AU - Balestra, Paolo [Idaho National Laboratory] AU - Gonzaga de Oliveira, Rodrigo Gonzalez [Idaho National Laboratory] PY - 2025 UR - https://www.osti.gov/biblio/3021465 ID - 3021465 ER -