Abstract
Analytical models of unsteady free viscous-inviscid interaction of gas flows at transonic speeds, i.e., a transonic boundary layer with self-induced pressure (nonclassical boundary layer) are considered. It is shown that an adequate flow model can be constructed by applying methods of singular perturbations. The results of a comparative analysis of classical and regularized stability models for a boundary layer with self-induced pressure in the case of interaction at transonic speeds are overviewed.
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Dedicated to the 100th birthday of Academician N.N. Moiseev
Original Russian Text © A.N. Bogdanov, V.N. Diesperov, V.I. Zhuk, 2018, published in Zhurnal Vychislitel’noi Matematiki i Matematicheskoi Fiziki, 2018, Vol. 58, No. 2, pp. 270–280.
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Bogdanov, A.N., Diesperov, V.N. & Zhuk, V.I. Nonclassical Transonic Boundary Layers: Toward Overcoming Dead-End Situations in High-Speed Aerodynamics. Comput. Math. and Math. Phys. 58, 254–263 (2018). https://doi.org/10.1134/S0965542518020033
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DOI: https://doi.org/10.1134/S0965542518020033