论文标题

可压缩的Navier-Stokes系统的尺寸降低,其密度依赖性粘度

Dimension reduction for the compressible Navier-Stokes system with density dependent viscosity

论文作者

Caggio, Matteo, Macha, Vaclav

论文摘要

我们考虑使用三维时空域$(0,t)\ timesω__\ varepsilon $中的双密度粘度的压缩液压系统可压缩的Navier-Stokes系统,其中$ω__\ VAREPSILON =(0,\ VAREPSILON)我们表明,3D系统的弱解决方案将相应1D系统的强解决方案收敛为$ \ varepsilon \ rightarrow0。

We consider a compressible Navier-Stokes system for a barotropic fluid with density dependent viscosity in a three-dimensional time-space domain $(0,T)\times Ω_\varepsilon$ where $Ω_\varepsilon = (0,\varepsilon)^2\times (0,1)$. We show that the weak solutions of the 3D system converges to the strong solution of the respective 1D system as $\varepsilon\rightarrow0.$

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