Fluctuation covariance-based study of roll-streak dynamics in Poiseuille flow turbulence
MA Nikolaidis, PJ Ioannou, BF Farrell - Journal of Fluid Mechanics, 2024 - cambridge.org
Although the roll-streak (RS) is fundamentally involved in the dynamics of wall turbulence,
the physical mechanism responsible for its formation and maintenance remains …
the physical mechanism responsible for its formation and maintenance remains …
Transient energy growth in channel flow with compliant walls
F Alizard, B Pier, S Lebbal - Physical Review Fluids, 2024 - APS
In this paper, we present a Lagrangian method for searching initial disturbances which
maximize their total energy growth after a certain time horizon for linearized fluid-structure …
maximize their total energy growth after a certain time horizon for linearized fluid-structure …