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cs.CE2026
Online Spectral Deflation for State Constrained Optimal Control Problems
Teeratorn Kadeethum, Francesco Ballarin, Youngsoo Choi +1
Parametric PDE-constrained optimal control with pointwise state constraints requires repeated solution of restricted Schur-complement systems on parameter-dependent inactive sets.…
cs.CE2023
Train Small, Model Big: Scalable Physics Simulators via Reduced Order Modeling and Domain Decomposition
Seung Whan Chung, Youngsoo Choi, Pratanu Roy +7
Numerous cutting-edge scientific technologies originate at the laboratory scale, but transitioning them to practical industry applications is a formidable challenge. Traditional pi…
cs.CE2023
Data-Driven Autoencoder Numerical Solver with Uncertainty Quantification for Fast Physical Simulations
Christophe Bonneville, Youngsoo Choi, Debojyoti Ghosh +1
Traditional partial differential equation (PDE) solvers can be computationally expensive, which motivates the development of faster methods, such as reduced-order-models (ROMs). We…