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arXiv 2101.07014math.AP
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扩散系数随温度变化的二维Boussinesq方程组的无粘极限

Inviscid limit for the viscous 2D Boussinesq system with temperature-dependent diffusivity

Mohamed Zerguine, Youssouf Maafa

摘要:

我们建立了二维空间中的粘性Boussinesq方程在时间上的全局适定性,该方程的扩散系数与温度有关,在光滑涡补丁的框架内。我们还提供了无粘性的速度,温度和相关的流动的限制对系统的研究最近在\cite{Paicu-Zhu}的粘度为零,并量化的收敛速率。

英文摘要:

We establish global-posedness in time for the viscous Boussinesq equations in two dimensions of space with temperature-dependent diffusivity in the framework of a smooth vortex patch. We also provide the inviscid limit for velocity, temperature, and associated flow toward the system studied very recently in \cite{Paicu-Zhu} as soon as the viscosity goes to zero, and quantify the rate of convergence.

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