TY - RPRT TI - Leveraging Physics-based Surrogates for Efficient Density Estimation of Sparse Observable Data on Low-dimensional Manifolds. AU - Yen, Tian Yu AU - Wildey, Timothy PY - 2022 DO - 10.2172/2005979 UR - https://www.osti.gov/biblio/2005979 ID - 2005979 ER -