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physics.flu-dyn2026
Elucidating Three-Dimensional Coherent Structures in a Multi-Stream Jet
Mitesh Thakor, Datta V Gaitonde, Yiyang Sun
Nominal two-dimensional (2D) shear layers have been studied extensively, and their principal dynamics are well understood. In practical configurations, however, the behavior of suc…
physics.flu-dyn2025
Optimal and suboptimal spatiotemporal dynamics of multi-shear-layers in rectangular jet
Mitesh Thakor, Datta V. Gaitonde, Yiyang Sun
We analyze the perturbation dynamics of a complex supersonic multi-stream rectangular jet. The dynamics are examined through application of spectral proper orthogonal decomposition…
physics.flu-dyn2024
Responses to Disturbance of Supersonic Shear Layer: Input-Output Analysis
Mitesh Thakor, Yiyang Sun, Datta V. Gaitonde
We investigate the perturbation dynamics in a supersonic shear layer using a combination of large-eddy simulations (LES) and linear-operator-based input-output analysis. The flow c…