Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
839793 | Nonlinear Analysis: Theory, Methods & Applications | 2014 | 10 Pages |
Abstract
This paper obtains the existence of unstable modes of the Rayleigh equation with smooth or piecewise smooth steady states. In the reasoning, we employ a crucial tool that displays the asymptotic distribution of eigenvalues of non-symmetric Sturm–Liouville operators. For flows with piecewise smooth velocity profiles, we propose a new framework for eigenvalue problems with interior singularities. Examples are presented to show the scope of our criteria.
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Authors
Jiangang Qi, Shaozhu Chen, Bing Xie,