Based on the Galerkin method with Chebyshev polynomials, we numerically solve the Orr-Sommerfeld problem with high accuracy. We calculate the spectra of the planeparallel Poisseuille and Couette flows, the Blasius flow, and flows with pressure gradient above a flat semi-infinite plate for different values of the wave number and the Reynolds number.
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Darmaev, T., Abiduev, P. Numerical Analysis of the Spectrum of Plane–Parallel Flows. J Math Sci 279, 776–781 (2024). https://doi.org/10.1007/s10958-024-07059-3
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DOI: https://doi.org/10.1007/s10958-024-07059-3