Differential and Integral Equations

Stability and instability of Navier boundary layers

Matthew Paddick

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We study the inviscid limit problem for the incompressible Navier-Stokes equation on a half-plane with a Navier boundary condition depending on the viscosity. On one hand, we prove the $L^{2}$ convergence of Leray solutions to the solution of the Euler equation. On the other hand, we show the nonlinear instability of some WKB expansions in the stronger $L^{\infty}$ and $\dot{H}^{s}$ ($s>1$) norms. These results are not contradictory, and in the periodic setting, we provide an example for which both phenomena occur simultaneously.

Article information

Differential Integral Equations, Volume 27, Number 9/10 (2014), 893-930.

First available in Project Euclid: 1 July 2014

Permanent link to this document

Mathematical Reviews number (MathSciNet)

Zentralblatt MATH identifier

Primary: 35Q30: Navier-Stokes equations [See also 76D05, 76D07, 76N10] 76D10: Boundary-layer theory, separation and reattachment, higher-order effects


Paddick, Matthew. Stability and instability of Navier boundary layers. Differential Integral Equations 27 (2014), no. 9/10, 893--930. https://projecteuclid.org/euclid.die/1404230050

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