TY - RPRT TI - Machine learning moment closure models for the radiative transfer equation I: Directly learning a gradient based closure AU - Huang, Juntao AU - Cheng, Yingda AU - Christlieb, Andrew J. AU - Roberts, Luke F. PY - 2022 DO - 10.1016/j.jcp.2022.110941 UR - https://www.osti.gov/biblio/1977277 ID - 1977277 ER -