On Global-in-x Stability of Blasius Profiles

On Global-in-x Stability of Blasius Profiles
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Blasius 配置文件的 Global-in-x 稳定性

DOI:
10.1007/s00205-020-01523-5
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发表时间:
2020
影响因子:
2.5
通讯作者:
Iyer, Sameer
Iyer, Sameer
中科院分区:
数学1区
文献类型:
--
作者:
Iyer, Sameer

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我们的特点是众所周知的自相似Blasius配置文件,作为下游吸引子的解决方案[u,v]的二维,固定的普朗特系统。它是在Serrin(Proc R Soc Lond A 299:491-507,1967)中使用最大原理技术建立的,在Blasius附近的局部化数据的情况下,本文提供了一个基于能量的渐近稳定性的证明。我们的分析的核心是一个新的加权“商估计”耦合高阶,非线性能量级联。相似商估计在Guo和Iyer(Validity of steady Prandtl layer expansions. arXiv:1805.05891 2018)。
We characterize the well known self-similar Blasius profiles,, as downstream attractors to solutions [u,v] to the 2D, stationary Prandtl system. It was established in Serrin (Proc R Soc Lond A 299:491–507, 1967) using maximum principle techniques thatas. In the case of localized data near Blasius, this paper provides an energy based proof of asymptotic stability. Central to our analysis is a new weighted “quotient estimate” which couples with a higher order, nonlinear energy cascade. Similar quotient estimates have played a crucial role in establishing the validity of the inviscid Prandtl layer expansion in Guo and Iyer (Validity of steady Prandtl layer expansions. arXiv:1805.05891 2018).
DOI: 10.1007/s10240-019-00110-z
发表时间: 2018-02
期刊: Publications mathématiques de l'IHÉS
影响因子: --
作者:
Anne-Laure Dalibard;N. Masmoudi
通讯作者: Anne-Laure Dalibard;N. Masmoudi
普朗特边界层理论中速度剖面的渐近行为
DOI: 10.1098/rspa.1967.0151
发表时间: 1967
期刊: Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
影响因子: --
作者:
J. Serrin
通讯作者: J. Serrin