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physics.flu-dyn2026
Searching for Invariant Solutions to Wall-Bounded Flows using Resolvent-Based Optimisation
Thomas Burton, Sean Symon, Davide Lasagna
We present a robust optimisation framework for computing invariant solutions of wall-bounded flows by recasting the Navier-Stokes equations as a variational problem as established…
physics.flu-dyn2026
Space-time nonlinear reduced-order modelling for unsteady flows
Xiaodong Li, Davide Lasagna
This work investigates projection-based Reduced-Order Models (ROMs) formulated in the frequency domain, employing a space-time basis constructed with Spectral Proper Orthogonal Dec…
physics.flu-dyn2024
Linear models of strip-type roughness
D. Lasagna, G. Zampino, B. Ganapathisubramani
Prandtl's secondary flows of the second kind generated by laterally-varying roughness are studied using the linearised Reynolds-Averaged Navier-Stokes approach proposed in Zampino…