TY - RPRT TI - The Athena++ Adaptive Mesh Refinement Framework: Design and Magnetohydrodynamic Solvers AU - Stone, James M. AU - Tomida, Kengo AU - White, Christopher J. AU - Felker, Kyle G. PY - 2020 DO - 10.3847/1538-4365/ab929b UR - https://www.osti.gov/biblio/1800915 ID - 1800915 ER -