“…This is due to problems related to the well-posedness of the Prandtl system. Indeed, under some monotonicity condition on the initial data, Oleinik proved the local existence for the Prandtl system [140,141] (see also [142]). These solutions can be extended as global weak solutions [173].…”
Section: Formal Derivation Of Prandtl Systemmentioning
This chapter is devoted to the study of some asymptotic problems in hydrodynamics. In particular, we will review results about the inviscid limit, the compressible-incompressible limit, the study of rotating fluids at high frequency, the hydrodynamic limit of the Boltzmann equation as well as some homogenization problems in fluid mechanics.
“…This is due to problems related to the well-posedness of the Prandtl system. Indeed, under some monotonicity condition on the initial data, Oleinik proved the local existence for the Prandtl system [140,141] (see also [142]). These solutions can be extended as global weak solutions [173].…”
Section: Formal Derivation Of Prandtl Systemmentioning
This chapter is devoted to the study of some asymptotic problems in hydrodynamics. In particular, we will review results about the inviscid limit, the compressible-incompressible limit, the study of rotating fluids at high frequency, the hydrodynamic limit of the Boltzmann equation as well as some homogenization problems in fluid mechanics.
“…The local solvability of the Prandtl equations is proved by [29,24] under some assumptions on the monotonicity of the data, and by [2,32] for the analytic initial data. The analyticity condition is in fact required only in the tangential direction [17].…”
We consider the Navier-Stokes equations for viscous incompressible flows in the half plane under the no-slip boundary condition. By using the vorticity formulation we prove the (local in time) convergence of the Navier-Stokes flows to the Euler flows outside a boundary layer and to the Prandtl flows in the boundary layer at the inviscid limit when the initial vorticity is located away from the boundary.
“…The solvability of (3.20) in this class has been established by Oleinik and her co-workers, especially for the case Ω 1 = {0 < x 1 < L}. ( See [121,122,123]. The reader is also referred to [124] for more details and references.)…”
Section: Well-posedness Results For the Prandtl Equationsmentioning
confidence: 83%
“…The Crocco transformation has been a basic tool in the classical works [122,123,124,151]. Recently, an alternative, independent, approach has been presented in [4,112], where the crucial part of the proof is based on a direct energy method but for new dependent variables.…”
Section: Well-posedness Results For the Prandtl Equationsmentioning
confidence: 99%
“…One brief remark here is that the Prandtl equations are well posed only under strong conditions on the flow, such as when boundary and the data have some degree of analyticity [5,128,95,23,84] or the data is monotonic in the normal direction to the boundary [122,124,83]. The most classical result verifying (3.9) is [128] in the analytic functional framework, after the pioneering work of [5,6].…”
Section: Case Of No-slip Boundary Conditionmentioning
The validity of the vanishing viscosity limit, that is, whether solutions of the Navier-Stokes equations modeling viscous incompressible flows converge to solutions of the Euler equations modeling inviscid incompressible flows as viscosity approaches zero, is one of the most fundamental issues in mathematical fluid mechanics. The problem is classified into two categories: the case when the physical boundary is absent, and the case when the physical boundary is present and the effect of the boundary layer becomes significant. The aim of this article is to review recent progress on the mathematical analysis of this problem in each category.
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