Scientific machine learning bridges physics-based modeling with data-driven methods, enabling accurate predictions with quantified uncertainties for complex physical systems.
Nuclear Physics Applications: Developing ML methods to invert nuclear response functions, extracting fundamental physics from experimental measurements. Our uncertainty-quantification approaches published in Physical Review C provide rigorous error estimates critical for nuclear physics research at facilities like Argonne’s ATLAS.
Uncertainty Quantification: Neural architecture search for automated ensemble construction (AutoDEUQ), enabling deep learning models to provide calibrated uncertainty estimates for scientific predictions. This is essential for trustworthy AI in high-stakes scientific applications.
Particle Physics: Classification methods for analyzing alpha-induced reactions in the MUSIC detector at ATLAS facility, combining statistical and ML approaches for event identification in nuclear astrophysics experiments.
Computational Fluid Dynamics: Forward gradient methods for data-driven wall modeling in CFD simulations, bridging high-fidelity simulations with efficient surrogate models for turbulence prediction.
Optimization: Bilevel optimization frameworks for handling imbalanced scientific datasets common in rare event detection, and stochastic methods for generating space-filling experimental designs that maximize information from limited experimental budgets.
Publications
- Uncertainty-Quantification-Enabled Inversion of Nuclear Responses - Physical Review C 2024
- Machine-Learning-Based Inversion of Nuclear Responses - Physical Review C 2021
- Classification of Events from α-Induced Reactions in the MUSIC Detector - Nuclear Instruments and Methods A 2024
- Quantifying Uncertainty for Deep Learning Based Forecasting and Flow-Reconstruction - Physica D 2023
- AutoDEUQ: Automated Deep Ensemble with Uncertainty Quantification - ICPR 2022
- Forward Gradients for Data-Driven CFD Wall Modeling - NeurIPS ML4PS 2023
- SF-SFD: Stochastic Optimization of Fourier Coefficients to Generate Space-Filling Designs - WSC 2023
- Sampling Imbalanced Data with Multi-Objective Bilevel Optimization - arXiv 2025
- A Bilevel Optimization Framework for Imbalanced Data Classification - arXiv 2024