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In this note, we consider the homogenization of the compressible Navier-Stokes equations in a periodically perforated domain in $\mathbb{R}^3$. Assuming that the particle size scales like $\varepsilon^3$, where $\varepsilon>0$ is their…

偏微分方程分析 · 数学 2022-11-28 Peter Bella , Florian Oschmann

The low Mach number limit for one-dimensional non-isentropic compressible Navier-Stokes system without viscosity is investigated, where the density and temperature have different asymptotic states at far fields. It is proved that the…

偏微分方程分析 · 数学 2017-05-23 Yechi Liu

In this paper, we consider the compressible Navier--Stokes system around the constant equilibrium states and prove the unique existence of a global solution for arbitrarily large initial data in the scaling critical Besov space provided…

偏微分方程分析 · 数学 2023-04-11 Mikihiro Fujii

We show existence and uniqueness of strong solutions to a Navier-Stokes/Cahn-Hilliard type system on a given two-dimensional evolving surface in the case of different densities and a singular (logarithmic) potential. The system describes a…

偏微分方程分析 · 数学 2024-08-15 Helmut Abels , Harald Garcke , Andrea Poiatti

We discuss the sharp interface limit of a diffuse interface model for a coupled Cahn-Hilliard--Darcy system that models tumor growth when a certain parameter $\varepsilon>0$, related to the interface thickness, tends to zero. In particular,…

偏微分方程分析 · 数学 2016-10-17 S. Melchionna , E. Rocca

The quasineutral limit of compressible Navier-Stokes-Poisson system with heat conductivity and general (ill-prepared) initial data is rigorously proved in this paper. It is proved that, as the Debye length tends to zero, the solution of the…

偏微分方程分析 · 数学 2009-05-19 Qiangchang Ju , Fucai Li , Hailiang Li

This paper is concerned with a diffuse interface model called as Navier-Stokes/Cahn-Hilliard system. This model is usually used to describe the motion of immiscible two-phase flow with diffusion interface. For the periodic boundary value…

偏微分方程分析 · 数学 2021-09-06 Yazhou Chen , Hakho Hong , Xiaoding Shi

The Navier-Stokes-Maxwell-Stefan system describes the dynamics of an incompressible gaseous mixture in isothermal condition. In this paper we set up an artificial compressibility type approximation. In particular we focus on the existence…

偏微分方程分析 · 数学 2018-05-18 Michele Dolce , Donatella Donatelli

In this paper we study a vanishing pressure process for highly compressible Navier-Stokes equations as the Mach number tends to infinity. We first prove the global existence of weak solutions for the pressureless system in the framework…

偏微分方程分析 · 数学 2017-11-22 Zhilei Liang

From extensive molecular dynamics simulations on immiscible two-phase flows, we find the relative slipping between the fluids and the solid wall everywhere to follow the generalized Navier boundary condition, in which the amount of slipping…

软凝聚态物质 · 物理学 2009-11-07 Tiezheng Qian , Xiao-Ping Wang , Ping Sheng

The flow of two macroscopically immiscible, viscous, incompressible fluids with unmatched densities is studied, where a transfer of mass between the constituents by phase transition is taken into account. To this end, two…

偏微分方程分析 · 数学 2025-05-09 Helmut Abels , Harald Garcke , Julia Wittmann

We prove the existence of a weak solution to the compressible Navier--Stokes system with singular pressure that explodes when density achieves its congestion level. This is a quantity whose initial value evolves according to the transport…

偏微分方程分析 · 数学 2022-02-09 Milan Pokornyý , Aneta Wróblewska-Kamińska , Ewelina Zatorska

We study numerically the one-dimensional Allen-Cahn equation with the spectral fractional Laplacian $(-\Delta)^{\alpha/2}$ on intervals with homogeneous Neumann boundary conditions. In particular, we are interested in the speed of sharp…

动力系统 · 数学 2024-07-25 Franz Achleitner , Christian Kuehn , Jens Markus Melenk , Alexander Rieder

We consider the zero dissipation limit of the full compressible Navier-Stokes equations with Riemann initial data in the case of superposition of two rarefaction waves and a contact discontinuity. It is proved that for any suitably small…

偏微分方程分析 · 数学 2012-03-07 Feimin Huang , Song Jiang , Yi Wang

We give an existence and asymptotic result for the so-called finite energy weak martingale solution of the compressible isentropic Navier--Stokes system driven by some random force in the whole spatial region. In particular, given a general…

偏微分方程分析 · 数学 2017-05-04 Prince Romeo Mensah

In this letter, we derive the sharp-interface limit of the Cahn-Hilliard-Biot equations using formal matched asymptotic expansions. We find that in each sub-domain, the quasi-static Biot equations are obtained with domain-specific material…

偏微分方程分析 · 数学 2024-12-06 Erlend Storvik , Carina Bringedal

For periodic initial data with the density allowing vacuum, we establish the global existence and exponential decay of weak, strong and classical solutions to the two-dimensional(2D) compressible Navier-Stokes equations when the bulk…

偏微分方程分析 · 数学 2025-07-03 Qinghao Lei , Chengfeng Xiong

The main goal of this paper is to establish the nonlocal-to-local convergence of strong solutions to a Navier--Stokes--Cahn--Hilliard model with singular potential describing immiscible, viscous two-phase flows with matched densities, which…

偏微分方程分析 · 数学 2024-03-19 Christoph Hurm , Patrik Knopf , Andrea Poiatti

In this paper, we consider the small viscosity limit problem for the isentropic compressible Navier-Stokes equations in a 2D exterior domain with impermeable boundary conditions , and the corresponding Euler equations have vortex sheet…

偏微分方程分析 · 数学 2019-06-26 Helong Lu

This paper deals with the combined incompressible quasineutral limit of the weak martingale solution of the compressible Navier-Stokes-Poisson system perturbed by a stochastic forcing term in the whole space. In the framework of…

偏微分方程分析 · 数学 2020-08-21 Donatella Donatelli , Prince Romeo Mensah