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Author

Roberto Nuca

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2 papers indexed here

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Preprint Aug 2026

Entropy-stable moving-wall boundary conditions for the ALE formulation of the compressible Navier-Stokes equations

We present a high-order entropy-stable framework for the compressible Euler and Navier-Stokes equations on moving domains. The space-time mapping describing the domain motion is recast in an arbitrary Lagrangian Eulerian (ALE) formulation, in which the physical inviscid fluxes and the contributions induced by mesh moti...

Luca Galimberti, Roberto Nuca, L. Dalcín et al. · 0 citations
Preprint Aug 2026

ADEx-FNO: A Unified Ambient-Domain Framework for Fourier Neural Operators on Varying Geometries

The ambient-domain extension Fourier neural operator (ADEx-FNO) is introduced, a deterministic framework that incorporates geometry without modifying the defining Fourier-operator layers and is evaluated on unseen nonsmooth geometries.

Roberto Nuca, Giovanni Testa, Luca Galimberti et al. · 0 citations

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