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physics.flu-dyn2024★ 3 cited
Transient growth of a wake vortex and its initiation via inertial particles
Sangjoon Lee, Philip S. Marcus
The transient dynamics of a wake vortex, modelled as a strong swirling -vortex, are investigated with a focus on optimal transient growth driven by continuous eigenmodes associa…
physics.flu-dyn2024
Perturbation analysis of triadic resonance in columnar vortices: selection rules and the roles of external forcing and critical layers
Jinge Wang, Sangjoon Lee, Philip S. Marcus
The remarkable robustness of columnar vortices suggests the existence of fundamental constraints that prevent spontaneous disintegration. In this work, we investigate the weakly no…