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math-ph2026
Non-Intrusive Balancing for Data-Driven Model Reduction with Oblique Projections
Alberto Padovan
Non-intrusive reduced-order modeling is essential for systems simulated with black- or gray-box solvers, yet computing accurate data-driven models remains challenging when the dyna…
physics.flu-dyn2026
Geometry-controlled heat transport in differentially heated cavity through the lens of DNS and resolvent analysis
Krishan Chand, Michael Quan, Alberto Padovan +1
We perform direct numerical simulations (DNS) and resolvent analysis of natural convection in a differentially heated cavity (DHC) at Prandtl number , systematically vary…
math.NA2026★ 1 cited
GasNiTROM: Model Reduction via Non-Intrusive Optimization of Oblique Projection Operators and Guaranteed-Stable Latent-Space Dynamics
Cole J. Errico, Alberto Padovan, Daniel J. Bodony
Non-intrusive reduced-order modeling techniques are necessary for systems that are simulated using black-box solvers or known only from data. For systems exhibiting large transient…