Sharp bounds for the resolvent of linearized Navier Stokes equations in the half space around a shear profile

Sharp bounds for the resolvent of linearized Navier Stokes equations in the half space around a shear profile
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剪切剖面周围半空间中线性纳维斯托克斯方程求解的锐界

DOI:
10.1016/j.jde.2020.06.046
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发表时间:
2020
影响因子:
2.4
通讯作者:
Nguyen, Toan T.
Nguyen, Toan T.
中科院分区:
数学2区
文献类型:
--
作者:
Grenier, Emmanuel;Nguyen, Toan T.

文献摘要

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在本文中,我们利用狄利克雷边界条件,推导了半空间(R+ 2 或 R+ 3)中固定剪切层附近的线性化不可压缩纳维-斯托克斯方程半群的锐界,假设该剪切层对于欧拉方程来说在谱上不稳定。在无粘性极限下,由于规定的无滑移边界条件,涡度在边界附近变得无界。本文的新颖之处在于引入了捕获无界涡度的边界层范数,并得出了在无粘极限下均匀的涡度的精确估计。
In this paper, we derive sharp bounds on the semigroup of the linearized incompressible Navier-Stokes equations near a stationary shear layer in the half space (R+ 2 or R+ 3), with Dirichlet boundary conditions, assuming that this shear layer in spectrally unstable for Euler equations. In the inviscid limit, due to the prescribed no-slip boundary conditions, vorticity becomes unbounded near the boundary. The novelty of this paper is to introduce boundary layer norms that capture the unbounded vorticity and to derive sharp estimates on this vorticity that are uniform in the inviscid limit.
DOI: 10.1515/anly-2015-0001
发表时间: 2014-06
期刊: Analysis
影响因子: 1.6
作者:
E. Grenier;Yan Guo;Toan T. Nguyen
通讯作者: E. Grenier;Yan Guo;Toan T. Nguyen
谱稳定性意味着不可压缩边界层的非线性稳定性
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者:
F. Gallaire;F. Rousset
通讯作者: F. Rousset
DOI: 10.1016/j.matpur.2024.02.001
发表时间: 2017-06
期刊: Journal de Mathématiques Pures et Appliquées
影响因子: --
作者:
E. Grenier;Toan T. Nguyen
通讯作者: E. Grenier;Toan T. Nguyen
平面粘性冲击波的多维稳定性
DOI: 10.1007/978-1-4612-0193-9_5
发表时间: 2001
影响因子: 2.4
作者:
K. Zumbrun
通讯作者: K. Zumbrun