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Published in:
2010 | OriginalPaper | Chapter
Global Stability Analysis of Compressible Flow around Swept Wings
Authors : Christoph J. Mack, Peter J. Schmid, Jörn Sesterhenn
Published in: New Results in Numerical and Experimental Fluid Mechanics VII
Publisher: Springer Berlin Heidelberg
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The global linear stability of compressible flow in the leading-edge region of a swept wing is studied using an iterative eigenvalue method. This method was implemented via a Jacobian-free framework where direct numerical simulations provide computed flow fields as the required input. It has been found that the investigated leading-edge flow is, over a selected range of flow parameters, most unstable to instabilities of the crossflow type. Our results further confirm that convex leading-edge curvature has a stabilizing influence on this flow.