Well-Posedness of a Navier-Stokes/Mean Curvature Flow system

Well-Posedness of a Navier-Stokes/Mean Curvature Flow system
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纳维-斯托克斯/平均曲率流系统的适定性

DOI:
10.1090/conm/710/14361
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发表时间:
2017
期刊:
arXiv: Analysis of PDEs
影响因子:
--
通讯作者:
M. Moser
M. Moser
中科院分区:
--
文献类型:
--
作者:
H. Abels;M. Moser

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在简单相变的情况下,我们考虑由两个不可压缩的、粘性的和不相容的流体组成的两相流动,这两个流体被一个尖锐的界面分开。在该模型中,界面不再是材料,它的演化受对流平均曲率流动方程的控制,该方程耦合到具有Young-Laplace定律的两相N-S方程。这个问题是由一个耦合了Allen-Cahn方程的Navier-Stokes系统组成的扩散界面模型的尖锐界面极限而产生的。对于足够小的时间和规则的初始数据,我们证明了强解的存在性。
We consider a two-phase flow of two incompressible, viscous and immiscible fluids which are separated by a sharp interface in the case of a simple phase transition. In this model the interface is no longer material and its evolution is governed by a convective mean curvature flow equation, which is coupled to a two-phase Navier-Stokes equation with Young-Laplace law. The problem arises as a sharp interface limit of a diffuse interface model, which consists of a Navier-Stokes system coupled with an Allen-Cahn equation. We prove existence of strong solutions for sufficiently small times and regular initial data.
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影响因子: 1.4
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