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arXiv 1807.04043math.APmath.OC
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二维通道中非齐次Navier-斯托克斯方程的稳定性

Stabilization of the non-homogeneous Navier-Stokes equations in a 2d channel

Sourav Mitra

摘要:

本文研究了二维通道中Poisonille流的非齐次Navier-斯托克斯方程的局部稳定性。我们设计了一个反馈控制的速度上的流入边界的域,使流体的速度和密度都是稳定的Poietille流周围提供的初始密度是由一个常数加上扰动,这样的扰动是支持远离通道的横向边界。此外,我们构造的反馈控制算子具有有限维范围。

英文摘要:

In this article we study the local stabilization of the non-homogeneous Navier- Stokes equations in a 2d channel around Poiseuille flow. We design a feedback control of the velocity which acts on the inflow boundary of the domain such that both the fluid velocity and density are stabilized around Poiseuille flow provided the initial density is given by a constant added with a perturbation, such that the perturbation is supported away from the lateral boundary of the channel. Moreover the feedback control operator we construct has finite dimensional range.

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