A Kato-Type Criterion for Vanishing Viscosity Near Onsager’s Critical Regularity

A Kato-Type Criterion for Vanishing Viscosity Near Onsager’s Critical Regularity
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接近 Onsager 临界正则性的加藤型粘度消失准则

DOI:
10.1007/s00205-022-01822-z
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发表时间:
2022
影响因子:
2.5
通讯作者:
Wang, Dehua
Wang, Dehua
中科院分区:
数学1区
文献类型:
--
作者:
Chen, Robin Ming;Liang, Zhilei;Wang, Dehua

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研究了有界区域内不可压缩流体三维Navier-Stokes方程弱解的消失黏度序列。在一篇开创性的论文(Kato In Seminar on nonlinear partial differential equations,施普林格,New York, 1983)中,Kato证明了对于足够正则的解,消失的黏性极限等价于在与黏性成比例的边界层中消失的黏性耗散。通过一种新的边界层叶理和一种全局软化技术,证明了对于正则性指数任意接近Onsager临界指数的Hölder连续解,Kato准则是成立的。
We consider a vanishing viscosity sequence of weak solutions for the three-dimensional Navier–Stokes equations of incompressible fluids in a bounded domain. In a seminal paper (Kato in Seminar on nonlinear partial differential equations, Springer, New York, 1983), Kato showed that for sufficiently regular solutions, the vanishing viscosity limit is equivalent to having vanishing viscous dissipation in a boundary layer of width proportional to the viscosity. We prove that Kato’s criterion holds for the Hölder continuous solutions with the regularity index arbitrarily close to Onsager’s critical exponent through a new boundary layer foliation and a global mollification technique.
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