arXiv:2405.10532 Abstract | arXiv Analytics

arXiv:2405.10532 [math.AP]Abstract References Reviews Resources

Local Rigidity of the Couette Flow for the Stationary Triple-Deck Equations

Published 2024-05-17Version 1

The Triple-Deck equations are a classical boundary layer model which describes the asymptotics of a viscous flow near the separation point, and the Couette flow is an exact stationary solution to the Triple-Deck equations. In this paper we prove the local rigidity of the Couette flow in the sense that there are no other stationary solutions near the Couette flow in a scale invariant space. This provides a stark contrast to the well-studied stationary Prandtl counterpart, and in particular offers a first result towards the rigidity question raised by R. E. Meyer in 1983.

Comments: 24 pages

Categories: math.AP

Keywords: couette flow, stationary triple-deck equations, local rigidity, well-studied stationary prandtl counterpart, classical boundary layer model

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