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A new exact solution of the Navier-Stokes equation is derived for the compressible flows which are far from equilibrium in the limit of extremely low shear viscosity and relatively large volume viscosity. The closed description of the…

流体动力学 · 物理学 2019-03-05 Sergey G. Chefranov , Artem S. Chefranov

In this paper, the Cauchy problem for the three-dimensional (3-D) isentropic compressible Navier-Stokes equations is considered. When viscosity coefficients are given as a constant multiple of the density's power ($\rho^\delta$ with…

偏微分方程分析 · 数学 2019-04-08 Zhouping Xin , Shengguo Zhu

In this paper we are concerned with a non-isothermal compressible Navier-Stokes-Fourier model with density dependent viscosity that vanish on the vacuum. We prove the global existence of weak solutions with large data in the…

偏微分方程分析 · 数学 2017-12-08 Boling Guo , Binqiang Xie

We consider a coupled system of Navier-Stokes and Nernst-Planck equations, describing the evolution of the velocity and the concentration fields of dissolved constituents in an electrolyte solution. Motivated by recent applications in the…

偏微分方程分析 · 数学 2012-06-12 Dieter Bothe , André Fischer , Jürgen Saal

In this paper, we prove the existence of global weak solutions for 3D compressible Navier-Stokes equations with degenerate viscosity. The method is based on the Bresch and Desjardins entropy conservation. The main contribution of this paper…

偏微分方程分析 · 数学 2016-12-21 Alexis F. Vasseur , Cheng Yu

The goal of this paper is to study convergence and error estimates of the Monte Carlo method for the Navier-Stokes equations with random data. To discretize in space and time, the Monte Carlo method is combined with a suitable deterministic…

We analyze behavior of weak solutions to compressible fluid flows in a bounded domain in $\mathbb{R}^3$, randomly perforated by tiny balls with random size. Assuming the radii of the balls scale like $\varepsilon^\alpha$, $\alpha > 3$, with…

偏微分方程分析 · 数学 2021-07-26 Peter Bella , Florian Oschmann

This paper investigates the Cauchy problem for the barotropic compressible Navier-Stokes equations in $\mathbb{R}^2$ with the constant state as far field, which may be vacuum or non-vacuum. Under the assumption of a sufficiently large bulk…

偏微分方程分析 · 数学 2026-01-27 Qinghao Lei , Chengfeng Xiong

We consider the hydrodynamic limit of a collisionless and non-diffusive kinetic equation under strong local alignment regime. The local alignment is first considered by Karper, Mellet and Trivisa in [24], as a singular limit of an alignment…

偏微分方程分析 · 数学 2014-12-11 Moon-Jin Kang , Alexis F. Vasseur

We study a diffuse-interface model that describes the dynamics of two-phase incompressible flows driven by the thermo-induced Marangoni effect. The hydrodynamic system consists of the Navier-Stokes equations for the fluid velocity, the…

偏微分方程分析 · 数学 2026-05-26 Lingxi Chen , Hao Wu

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

By means of a unifying measure-theoretic approach, we establish lower bounds on the Hausdorff dimension of the space-time set which can support anomalous dissipation for weak solutions of fluid equations, both in the presence or absence of…

偏微分方程分析 · 数学 2024-07-29 Luigi De Rosa , Theodore D. Drivas , Marco Inversi

We study a model of a general compressible viscous fluid subject to the Coulomb friction law boundary condition. For this model, we introduce a dissipative formulation and prove the existence of dissipative solutions. The proof of this…

偏微分方程分析 · 数学 2024-02-22 Sarka Necasova , Justyna Ogorzaly , Jan Scherz

We study the solution $u_\varepsilon$ to the Navier-Stokes equations in $\mathbb R^3$ perforated by small particles centered at $(\varepsilon \mathbb Z)^3$ with no-slip boundary conditions at the particles. We study the behavior of…

偏微分方程分析 · 数学 2024-10-21 Richard M. Höfer

The evolution of two partially miscible, nonhomogeneous, incompressible viscous fluids of non-Newtonian type, can be governed by the Navier-Stokes-Cahn-Hilliard system. In the present work, we prove the global existence of weak solutions…

偏微分方程分析 · 数学 2025-12-25 Fang Li , Duan Xingyu , Guo Zhenhua

Two fundamental models in plasma physics are given by the Vlasov-Maxwell-Boltzmann system and the compressible Euler-Maxwell system which both capture the complex dynamics of plasmas under the self-consistent electromagnetic interactions at…

偏微分方程分析 · 数学 2023-06-02 Renjun Duan , Dongcheng Yang , Hongjun Yu

We study the zero viscosity and heat conductivity limit of an initial boundary problem for the linearized Navier-Stokes-Fourier equations of a compressible viscous and heat conducting fluid in the half plane. We consider the case that the…

偏微分方程分析 · 数学 2014-02-07 Yutao Ding , Ning Jiang

We study an initial-boundary value problem of three-dimensional (3D) compressible isentropic magneto-micropolar fluid equations with Coulomb force and slip boundary conditions in a bounded simply connected domain, whose boundary has a…

偏微分方程分析 · 数学 2024-08-22 Yang Liu , Xin Zhong

This paper deals with the Navier-Stokes system governing the evolution of a compressible barotropic fluid. We extend D. Hoff's intermediate regularity solutions framework by relaxing the integrability needed for the initial density which is…

偏微分方程分析 · 数学 2022-03-25 Didier Bresch , Cosmin Burtea

We investigate a two-parameter hyperbolic relaxation approximation to the incompressible Navier-Stokes equations, incorporating a first-order relaxation and the artificial compressibility method. With vanishingly small perturbations of…

偏微分方程分析 · 数学 2026-01-28 Qian Huang , Christian Rohde , Ruixi Zhang