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physics.flu-dyn2026
Weakly coupled fluid-structure interaction between wall-bounded turbulent flows and defect-embedded phononic subsurfaces
Ching-Te Lin, Vinod Ramakrishnan, Andres Goza +2
We investigate the interaction between wall-bounded turbulence and defect-embedded phononic subsurface (D-Psub) using a weakly coupled fluid--structure framework, in which the flow…
physics.flu-dyn2025
Transient growth and nonlinear breakdown of wavelet-based resolvent modes in turbulent channel flow
Eric Ballouz, Scott T. M. Dawson, H. Jane Bae
We study the effectiveness of the time-localised principal resolvent forcing mode at actuating the near wall cycle of turbulence. The mode is restricted to a wavelet pulse and comp…