Variational Interface Physics Informed Neural Networks (VI-PINNs) for Heterogeneous Subsurface Systems AK Sarma, C Annavarapu, P Roy, S Jagannathan, DM Valiveti 57th U.S. Rock Mechanics/Geomechanics Symposium, Atlanta, Georgia, USA, June …, 2023 | 2 | 2023 |