Journal
ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS
Volume 221, Issue 3, Pages 1449-1509Publisher
SPRINGER
DOI: 10.1007/s00205-016-0991-1
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Funding
- Deutsche Forschungsgemeinschaft (DFG)
- Bonn International Graduate School (BIGS)
- Hausdorff Center of Mathematics
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In a previous article (Zillinger, Linear inviscid damping for monotone shear flows, 2014), we have established linear inviscid damping for a large class of monotone shear flows in a finite periodic channel and have further shown that boundary effects asymptotically lead to the formation of singularities of derivatives of the solution as . As the main results of this article, we provide a detailed description of the singularity formation and establish stability in all sub-critical fractional Sobolev spaces and blow-up in all super-critical spaces. Furthermore, we discuss the implications of the blow-up to the problem of nonlinear inviscid damping in a finite periodic channel, where high regularity would be essential to control nonlinear effects.
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