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physics.flu-dyn2024
Restricted Euler dynamics in free-surface turbulence
Yinghe Qi, Zhenwei Xu, Filippo Coletti
The small-scale velocity gradient is connected to fundamental properties of turbulence at the large scales. By neglecting the viscous and nonlocal pressure Hessian terms, we derive…
physics.flu-dyn2024
Data-driven modeling of the regular and chaotic dynamics of an inverted flag from experiments
Zhenwei Xu, Bálint Kaszás, Mattia Cenedese +3
We use video footage of a water tunnel experiment to construct a two-dimensional reduced-order model of the flapping dynamics of an inverted flag in uniform flow. The model is obta…