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We consider the Navier-Stokes-Fourier-Poisson system driven by an inhomogeneous temperature distribution on the boundary of an exterior fluid domain. We impose the finite mass constraint, positive far field condition for the temperature as…

偏微分方程分析 · 数学 2024-05-14 Nilasis Chaudhuri , Eduard Feireisl , Ewelina Zatorska , Boguslaw Zegarlinski

We consider the viscous incompressible fluids in a three-dimensional horizontally periodic domain bounded below by a fixed smooth boundary and above by a free moving surface. The fluid dynamics are governed by the Navier-Stokes equations…

偏微分方程分析 · 数学 2024-04-30 Xing Cheng , Yunrui Zheng

The NS equation is considered (in 2 & 3 dimensions) with a fixed forcing on large scale; the stationary states form a family of probability distributions on the fluid velocity fields depending on a parameter R (Reynolds number). It is…

统计力学 · 物理学 2019-04-02 Giovanni Gallavotti

A proof of existence, uniqueness and smoothness of the Navier-Stokes equations is an actual problem, which solution is important for different branches of science. The subject of this study is obtaining the smooth and unique solutions of…

流体动力学 · 物理学 2016-08-30 Alexey V. Zhirkin

A new formulation of the Navier-Stokes equation, in terms of the gradient of the total mechanical energy, is derived for the time-averaged flows, and the singular point possibly existing in the Navier-Stokes equation is exactly found.…

流体动力学 · 物理学 2014-12-30 Hua-Shu Dou

We investigate parameteric Navier-Stokes equations for a viscous, incompressible flow in bounded domains. The coefficients of the equations are perturbed by high-dimensional random parameters, this fits in particular for modelling flows in…

数值分析 · 数学 2025-04-21 Alexey Chernov , Tung Le

We study well-posedness of a velocity-vorticity formulation of the Navier--Stokes equations, supplemented with no-slip velocity boundary conditions, a no-penetration vorticity boundary condition, along with a natural vorticity boundary…

偏微分方程分析 · 数学 2017-08-09 Maxim A. Olshanskii , Leo G. Rebholz , Abner J. Salgado

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

Understanding the transport of driven nano- and micro-particles in complex fluids is of relevance for many biological and technological applications. Here we perform hydrodynamic multiparticle collision dynamics simulations of spherical and…

软凝聚态物质 · 物理学 2019-04-03 Andreas Zöttl , Julia M. Yeomans

This paper is based on a formulation of the Navier-Stokes equations developed by P. Constantin and the first author (\texttt{arxiv:math.PR/0511067}, to appear), where the velocity field of a viscous incompressible fluid is written as the…

概率论 · 数学 2010-03-16 Gautam Iyer , Jonathan Mattingly

We present and analyze a fully discrete fractional time stepping technique for the solution of the micropolar Navier Stokes equations, which is a system of equations that describes the evolution of an incompressible fluid whose material…

数值分析 · 数学 2013-12-06 Abner J. Salgado

Consider the time-periodic viscous incompressible fluid flow past a body with non-zero velocity at infinity. This article gives sufficient conditions such that weak solutions to this problem are smooth. Since time-periodic solutions do not…

偏微分方程分析 · 数学 2022-12-02 Thomas Eiter

In the current state of the art regarding the Navier--Stokes equations, the existence of unique solutions for incompressible flows in two spatial dimensions is already well-established. Recently, these results have been extended to models…

偏微分方程分析 · 数学 2024-11-11 Jean-Paul Adogbo , Piotr B. Mucha , Maja Szlenk

We show the existence of weak solutions to the fluid-structure interaction problem of a largely deforming viscoelastic bulk solid with a viscous fluid governed by the incompressible Navier-Stokes equations. In contrast to previous works,…

偏微分方程分析 · 数学 2026-03-13 Antonín Češík , Malte Kampschulte , Sebastian Schwarzacher

We study global existence and uniqueness of solutions to instationary inhomogeneous Navier-Stokes equations on bounded domains of $\R^n, n\geq 3$, with initial velocity in $B^0_{q,\infty}(\Om)$, $q\geq n$, and piecewise constant initial…

偏微分方程分析 · 数学 2019-10-23 Myong-Hwan Ri , Ping Zhang

We analyze the Navier-Stokes equations for incompressible fluids with the {\lq\lq}viscous stress tensor{\rq\rq} $\mathbb{S}$ in a family which includes the Bingham model for viscoplastic fluids (more generally, the Herschel-Bulkley model).…

偏微分方程分析 · 数学 2024-01-26 Nikolai V. Chemetov , Marcelo M. Santos

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

We study in this paper the movement of a rigid solid inside an incompressible Navier-Stokes flow, within a bounded domain. We consider the case where slip is allowed at the fluid/solid interface, through a Navier condition. Taking into…

偏微分方程分析 · 数学 2014-03-06 David Gérard-Varet , Matthieu Hillairet

We consider the slow flow of a viscous incompressible liquid in a channel of constant but arbitrary cross section shape, driven by non-uniform suction or injection through the porous channel walls. A similarity transformation reduces the…

流体动力学 · 物理学 2012-08-28 Kaare H. Jensen

We consider a suspension of spherical inertialess particles in a Stokes flow on the torus $\mathbb T^3$. The particles perturb a linear extensional flow due to their rigidity constraint. Due to the singular nature of this perturbation, no…

偏微分方程分析 · 数学 2022-10-28 Richard M. Höfer , Amina Mecherbet , Richard Schubert