Abstract

AbstractAn algorithm based on a compound matrix method is presented for solving difficult eigenvalue problems of n equation sets in connected domains that are coupled through (n – 1) sets of interfacial boundary conditions, when n is an arbitrary number. As an example, a linear stability problem of n‐layer plane Poiseuille flow is formulated. The resulting Orr–Sommerfeld equations form a set of stiff differential equations at high wavenumbers, which are solved accurately for various combinations of parameters.

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