Physics-Informed Neural Network Method for Forward and Backward Advection-Dispersion Equations

For the release of PINN codes, please refer to the following papers: He, Q. Z. & Tartakovsky, A. M. (2021) Physics-Informed Neural Network Method for Forwardand Backward Advection-Dispersion Equations. Water Resources Research. https://doi.org/10.1029/2020WR029479 He, Q. Z., Barajas-Solano, D., Tartakovsky, G., & Tartakovsky, A. M. (2020). Physics-informed neural networks for multiphysics data assimilation with application to subsurface transport. Advances in Water Resources, 141, 103610