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Full Regularity and Well-Posedness of the Nonlinear Unsteady Prandtl Equations with Robin or Dirichlet Boundary Condition

Fuzhou Wu Tsinghua University, Harvard University CMSA

Publications of CMSA of Harvard mathscidoc:1702.38062

In this paper, we study the full regularity and well-posedness of classical solutions to the nonlinear unsteady Prandtl equations with Robin or Dirichlet boundary condition in half space. Under Oleinik’s monotonicity assumption, we prove the large time existence of classical solutions to the nonlinear Prandtl equations with Robin or Dirichlet boundary condition, when both initial vorticity and the general Euler flow are sufficiently small. For the general Euler flow, the vertical velocity of the Prandtl flow is unbounded. We prove that the Prandtl solutions preserve the full regularities in our solution spaces. The uniqueness and stability are also proved in the weighted Sobolev spaces.
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@inproceedings{fuzhoufull,
  title={Full Regularity and Well-Posedness of the Nonlinear Unsteady Prandtl Equations with Robin or Dirichlet Boundary Condition},
  author={Fuzhou Wu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170207235727932786286},
}
Fuzhou Wu. Full Regularity and Well-Posedness of the Nonlinear Unsteady Prandtl Equations with Robin or Dirichlet Boundary Condition. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170207235727932786286.
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