Numerical analysis reveals instability regions and self-intersection of neutral curves in boundary layers, indicating complex flow behaviors.
The paper is focused on numerical analysis of hydrodynamic stability of boundary layers with Falkner–Skan–Cooke and Gaster velocity profiles. It is shown that domains of instability and neutral curves for such flows can self-intersect. A method for sorting eigenvalues and a more general description of instability regions are proposed assuming that solutions may be multivalued.
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Boiko et al. (2026) studied this question.
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