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physics.flu-dyn2018★ 25 cited
Coherent structures in the linearized impulse response of turbulent channel flow
Sabarish B. Vadarevu, Simon J. Illingworth, Ivan Marusic
We study the evolution of velocity fluctuations due to an isolated spatio-temporal impulse using the linearized Navier-Stokes equations. The impulse is introduced as an external bo…
physics.flu-dyn2016
Exact coherent states for grooved Couette flows
Sabarish Vadarevu, Ati Sharma, Bharathram Ganapathisubramani
Recent progress indicates that highly symmetric recurring solutions of the Navier-Stokes equations, such as equilibria and periodic orbits, provide a skeleton for turbulence dynami…