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physics.flu-dyn2012★ 12 cited
On the role of vortex stretching in energy optimal growth of three dimensional perturbations on plane parallel shear flows
H. Vitoshkin E. Heifetz, A. Yu. Gelfgat, N. Harnik
The three dimensional optimal energy growth mechanism, in plane parallel shear flows, is reexamined in terms of the role of vortex stretching and the interplay between the span-wis…
physics.flu-dyn2012
Non-modal disturbances growth in a viscous mixing layer flow
Helena Vitoshkin Alexander Gelfgat
Non-modal transient growth of disturbances in a viscous mixing layer flow is studied for the Reynolds numbers varying from 100 up to 5000 at different streamwise and spanwise waven…