Abstract
A problem of a nonstationary incompressible viscous fluid flow along a plate with small fast-oscillating irregularities on the surface for a large Reynolds number is considered by using rigorous methods of mathematical physics. Depending on the scales of irregularities in the problem under study, there arises a solution that describes the double-deck or the triple-deck structure boundary layers on the plate. In the paper, we present a rigorous approach to the solution construction. It appears that, despite the long-term history, the triple-deck theory should be revised and the well-known Benjamin–Ono equation does not appear in this theory.
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Notes
The symbol \(\ldots\) denotes any other variables.
It is called the displacement thickness in the triple-deck structure theory
Under the assumption that the initial value is the unperturbed plane-parallel flow (9).
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The study was implemented in the framework of the Basic Research Program at the National Research University Higher School of Economics (HSE University).
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Danilov, V.G., Gaydukov, R.K. Asymptotic Multiscale Solutions to Navier–Stokes Equations with Fast Oscillating Perturbations in Boundary Layers. Russ. J. Math. Phys. 29, 431–455 (2022). https://doi.org/10.1134/S1061920822040045
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DOI: https://doi.org/10.1134/S1061920822040045