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We consider a 2D incompressible and electrically conducting fluid in the domain $\mathbb{T}\times\mathbb{R}$. The aim is to quantify stability properties of the Couette flow $(y,0)$ with a constant homogenous magnetic field $(\beta,0)$ when…

偏微分方程分析 · 数学 2023-08-25 Michele Dolce

We consider a thermodynamically consistent model for the evolution of thermally conducting two-phase incompressible fluids. Complementing previous results, we prove additional regularity properties of solutions in the case when the…

偏微分方程分析 · 数学 2017-08-04 Michela Eleuteri , Stefania Gatti , Giulio Schimperna

We consider the motion of the interface separating two domains of the same fluid that moves with different velocity along the tangential direction of the interface. We assume that the fluids occupying the two domains are of constant…

偏微分方程分析 · 数学 2007-05-23 Sijue Wu

In this paper we aim to construct a very weak solution to the steady two-dimensional Navier-Stokes equations which is affected by an external force induced by a point vortex on the unit disk. Such a solution is also the form of…

偏微分方程分析 · 数学 2024-10-11 Zhi Chen , Mingwen Fei , Zhiwu Lin , Jianfeng Zhao

We describe an interpretation of convection in binary fluid mixtures as a superposition of thermal and solutal problems, with coupling due to advection and proportional to the separation parameter S. Many properties of binary fluid…

斑图形成与孤子 · 物理学 2009-11-07 Laurette S. Tuckerman

A two-dimensional water wave system is examined consisting of two discrete incompressible fluid domains separated by a free common interface. In a geophysical context this is a model of an internal wave, formed at a pycnocline or…

流体动力学 · 物理学 2018-11-09 Alan Compelli , Rossen Ivanov

Existence of steady states in elastic media at small strains with diffusion of a solvent or fluid due to Fick's or Darcy's laws is proved by combining usage of variational methods inspired from static situations with Schauder's fixed-point…

偏微分方程分析 · 数学 2017-03-16 Tomáš Roubíček

This paper investigates the Knudsen layer equation in half-space, arising from the hydrodynamic limit of the Boltzmann equation to fluid dynamics. We consider the Maxwell reflection boundary condition with accommodation coefficient…

偏微分方程分析 · 数学 2025-01-16 Ling-Bing He , Ning Jiang , Yulong Wu

We consider the 2D Euler equation of incompressible fluids on a strip and prove the stability of the rectangular stationary state.

偏微分方程分析 · 数学 2016-11-08 J. Beichman , S. Denisov

Turbulent flows of incompressible liquid in two dimensions are comprised of dense systems of vortices. Such system of vortices can be treated as a fluid and itself could be described in terms of hydrodynamics. We develop the hydrodynamics…

流体动力学 · 物理学 2014-09-11 Paul Wiegmann , Alexander G. Abanov

We study the motion of an incompressible, inviscid two-dimensional fluid in a rotating frame of reference. There the fluid experiences a Coriolis force, which we assume to be linearly dependent on one of the coordinates. This is a common…

偏微分方程分析 · 数学 2018-06-06 Fabio Pusateri , Klaus Widmayer

In this work, it has been indicated that the key features requisite for preserving causality and stability of the popularly existing relativistic hydrodynamic theories, can be translated into each other. It has been shown here, that a…

核理论 · 物理学 2024-08-29 Sayantani Bhattacharyya , Sukanya Mitra , Shuvayu Roy

We consider a boundary-value problem describing the steady motion of a two-component mixture of viscous compressible heat-conducting fluids in a bounded domain. We make no simplifying assumptions except for postulating the coincidence of…

偏微分方程分析 · 数学 2017-10-19 Alexander Mamontov , Dmitriy Prokudin

The problem of surface effects at a fluid/force field boundary is investigated. A classical simple fluid with a locally introduced field simulating a solid is considered. For the case of a hard-core field, rigid, exponential, realistic, and…

统计力学 · 物理学 2011-12-08 V. M. Zaskulnikov

The stability of two-dimensional buoyancy-driven convection in a vertical porous slot, wherein a plane Couette flow is additionally present, is studied. This complex fluid flow scenario is examined under the influence of Robin-type boundary…

流体动力学 · 物理学 2023-12-08 B. M. Shankar , I. S. Shivakumara

We consider the motion of several rigid bodies immersed in a two-dimensional incompressible perfect fluid. The motion of the rigid bodies is given by the Newton laws with forces due to the fluid pressure and the fluid motion is described by…

偏微分方程分析 · 数学 2020-07-13 Olivier Glass , József Kolumbán , Franck Sueur

We complete the kinetic theory of two-dimensional (2D) point vortices initiated in previous works. We use a simpler and more physical formalism. We consider a system of 2D point vortices submitted to a small external stochastic perturbation…

统计力学 · 物理学 2022-11-29 Pierre-Henri Chavanis

We consider the flow of an { ideal} fluid in a 2D-bounded domain, admitting flows through the boundary of this domain. The flow is described by Euler equations with \textit{non-homogeneous } Navier slip boundary conditions. These conditions…

偏微分方程分析 · 数学 2024-09-25 N. V. Chemetov , S. N. Antontsev

This paper concerns the validity of the Prandtl boundary layer theory in the inviscid limit for steady incompressible Navier-Stokes flows. The stationary flows, with small viscosity, are considered on $[0,L]\times \mathbb{R}_{+}$, assuming…

偏微分方程分析 · 数学 2014-11-26 Yan Guo , Toan T. Nguyen

We study the dynamical behavior of compressible fluids evolving on the outer domain of communication of a Schwarzschild background. To this end, we design several numerical methods which take the Schwarzschild geometry into account and we…

偏微分方程分析 · 数学 2016-12-30 Philippe G. LeFloch , Shuyang Xiang