Stephen DeWitt Computational Scientist Contact dewittsj@ornl.gov | 865.341.0357 All Publications GrainGNN: A dynamic graph neural network for predicting 3D grain microstructure Thermo4PFM: Facilitating Phase-field simulations of alloys with thermodynamic driving forces GrainNN: A neighbor-aware long short-term memory network for predicting microstructure evolution during polycrystalline grain... Dendrite-resolved, full-melt-pool phase-field simulations to reveal non-steady-state effects and to test an approximate model... ExaAM: Metal additive manufacturing simulation at the fidelity of the microstructure... Key Links Google Scholar ORCID GitHub Organizations Computing and Computational Sciences Directorate Computational Sciences and Engineering Division Advanced Computing Methods for Engineered Systems Section Computational Coupled Physics