TY - RPRT TI - Understanding and Mitigating Gradient Flow Pathologies in Physics-Informed Neural Networks AU - Wang, Sifan AU - Teng, Yujun AU - Perdikaris, Paris (ORCID:0000000228163229) PY - 2021 DO - 10.1137/20m1318043 UR - https://www.osti.gov/biblio/1852842 ID - 1852842 ER -