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We consider the motion described by the Navier-Stokes equations in a box with periodic boundary conditions. First we prove the existence of global strong two-dimensional solutions. Next we show the existence of global strong…

偏微分方程分析 · 数学 2014-06-04 Wojciech Zajączkowski , Ewa Zadrzyńska

In this paper, we examine a finite element approximation of the steady $p(\cdot)$-Navier-Stokes equations ($p(\cdot)$ is variable dependent) and prove orders of convergence by assuming natural fractional regularity assumptions on the…

数值分析 · 数学 2024-11-15 Luigi C. Berselli , Alex Kaltenbach

Based on the analysis by Iwabuchi-Matsuyama-Taniguchi (2019), we first introduce our framework of Besov spaces $\dot B^s_{p, q}$ on the bounded domain $\Omega \subset {\mathbb R}^d$ with smooth boundary $\partial \Omega$ in terms of the…

偏微分方程分析 · 数学 2026-03-09 Tsukasa Iwabuchi , Hideo Kozono

In the present work, motivated by the studies on the low Mach number limit problem, we establish uniform regularity estimates with respect to the Mach number for the non-isentropic compressible Navier-Stokes system in smooth domains with…

偏微分方程分析 · 数学 2022-10-20 Changzhen Sun

We analyze the steady motion of a viscous incompressible fluid in a three-dimensional channel containing an obstacle through the Navier-Stokes equations with mixed boundary conditions: the inflow is given by a fairly general datum and the…

偏微分方程分析 · 数学 2020-08-21 Gianmarco Sperone

We develop a mathematically and physically sound definition of the spectrally-hyperviscous Navier-Stokes equations (SHNSE) on general bounded domains \Omega with zero (no-slip) boundary conditions prescribed on \varGamma=\partial\varOmega.…

偏微分方程分析 · 数学 2019-08-30 Joel Avrin

We discuss artificial boundary conditions for stationary Navier-Stokes flows past bodies in the half-plane, for a range of low Reynolds numbers. When truncating the half-plane to a finite domain for numerical purposes, artificial boundaries…

流体动力学 · 物理学 2012-08-20 Christoph Boeckle , Peter Wittwer

It is a classical problem in fluid dynamics about the stability and instability of different hydrodynamic patterns in various physical settings, in particular in the high Reynolds number limit of laminar flow with boundary layer. However,…

偏微分方程分析 · 数学 2023-08-29 Tong Yang , Zhu Zhang

We present results on the trace regularity of the stress vector on the boundary of an elastic solid satisfying the time-dependent, displacement-traction problem for the Navier equations of linear elasticity in a bounded domain of…

偏微分方程分析 · 数学 2026-01-08 Jerin Tasnim Farin , Giusy Mazzone

The steady motion of a viscous incompressible fluid in distorted pipes, of finite length, is modeled through the Navier-Stokes equations with mixed boundary conditions: the inflow is given by an arbitrary member of the Lions-Magenes class…

偏微分方程分析 · 数学 2025-06-10 Alessio Falocchi , Ana Leonor Silvestre , Gianmarco Sperone

We consider a mathematical model for the interactions of an elastic body fully immersed in a viscous, incompressible fluid. The corresponding composite PDE system comprises a linearized Navier-Stokes system and a dynamic system of…

偏微分方程分析 · 数学 2009-12-23 Francesca Bucci , Irena Lasiecka

We derive a class of energy preserving boundary conditions for incompressible Newtonian flows and prove local-in-time well-posedness of the resulting initial boundary value problems, i.e. the Navier-Stokes equations complemented by one of…

偏微分方程分析 · 数学 2015-10-22 Dieter Bothe , Matthias Köhne , Jan Prüss

We examine the conditional regularity of the solutions of Navier-Stokes equations in the entire three-dimensional space under the assumption that the data are axially symmetric. We show that if positive part of the radial component of…

偏微分方程分析 · 数学 2015-06-05 Adam Kubica

We consider an initial-boundary value problem for the 4D Navier-Stokes equations posed on bounded smooth domains. We prove the existence and uniqiueness of regular solutions as well as their exponential decay and additional regularity…

偏微分方程分析 · 数学 2023-05-17 Nikolai Larkin , Marcos Padilha

We prove existence of global regular axially-symmetric solutions to the Navier-Stokes equations in a cylindrical domain. We assume the periodic boundary conditions on the top and the bottom of the cylinder, but on the lateral part we assume…

偏微分方程分析 · 数学 2023-04-04 Wojciech M. Zajaczkowski

In this paper, we derive sharp bounds on the semigroup of the linearized incompressible Navier-Stokes equations near a stationary shear layer in the half plane and in the half space ($\mathbb{R}_+^2$ or $\mathbb{R}_+^3$), with Dirichlet…

偏微分方程分析 · 数学 2019-12-25 Emmanuel Grenier , Toan T. Nguyen

We investigate the barotropic compressible Navier-Stokes equations with the Navier-slip boundary conditions in a general two-dimensional bounded simply connected domain. For initial density that is allowed to vanish, we establish the global…

偏微分方程分析 · 数学 2025-07-04 Qinghao Lei , Chengfeng Xiong

This paper develops a new approach to show the maximal regularity theorem of the Stokes equations with free boundary conditions in the half-space $\mathbb R^d_+$, $d \ge 2$, within the $L_1$-in-time and $\mathcal B^s_{q, 1}$-in-space…

偏微分方程分析 · 数学 2025-01-28 Yoshihiro Shibata , Keiichi Watanabe

We consider the Nernst-Planck-Navier-Stokes system in a bounded domain of ${\mathbb {R}}^d$, $d=2,3$ with general nonequilibrium Dirichlet boundary conditions for the ionic concentrations. We prove the existence of smooth steady state…

偏微分方程分析 · 数学 2022-10-19 Peter Constantin , Mihaela Ignatova , Fizay-Noah Lee

This paper is concerned with uniform regularity estimates for a family of Stokes systems with rapidly oscillating periodic coefficients. We establish interior Lipschitz estimates for the velocity and $L^\infty$ estimates for the pressure as…

偏微分方程分析 · 数学 2015-08-13 Shu Gu , Zhongwei Shen