Journal
SCIENCE CHINA-MATHEMATICS
Volume 66, Issue 4, Pages 679-722Publisher
SCIENCE PRESS
DOI: 10.1007/s11425-021-1953-2
Keywords
Navier-Stokes equations; shear flow; Prandtl expansion
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This paper studies the stability of shear flows of Prandtl type in the steady Navier-Stokes equations and employs a direct energy method combined with the compactness method to solve the problem.
In this paper, we study the stability of shear flows of Prandtl type as (U(y/root nu), 0) for the steady Navier-Stokes equations under a natural spectral assumption on the linearized NS operator. The key ingredient is to solve the Orr-Sommerfeld equation. For this, we develop a direct energy method combined with the compactness method, which may be of independent interest.
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