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In this paper, we consider a coupled chemotaxis-fluid system that models self-organized collective behavior of oxytactic bacteria in a sessile drop. This model describes the biological chemotaxis phenomenon in the fluid environment and…

数值分析 · 数学 2022-09-20 Chenxi Wang , Alina Chertock , Shumo Cui , Alexander Kurganov , Zhen Zhang

We study a coupled system of Navier-Stokes equation and the equation of conservation of mass in a one-dimensional network. The system models the blood circulation in arterial networks. A special feature of the system is that the equations…

数学物理 · 物理学 2007-05-23 Weihua Ruan , M. E. Clark , Meide Zhao , Anthony Curcio

We study the initial-boundary value problem of the Navier-Stokes equations for incompressible fluids in a general domain in $\R^n$ with compact and smooth boundary, subject to the kinematic and vorticity boundary conditions on the non-flat…

偏微分方程分析 · 数学 2009-01-05 Gui-Qiang Chen , Dan Osborne , Zhongmin Qian

We study the full Navier--Stokes--Fourier system governing the motion of a general viscous, heat-conducting, and compressible fluid subject to stochastic perturbation. The system is supplemented with non-homogeneous Neumann boundary…

偏微分方程分析 · 数学 2021-02-09 Dominic Breit , Eduard Feireisl , Martina Hofmanová

In this paper, we study the coupled Keller-Segel-Navier-Stokes system, which models chemotaxis occuring in ambient viscous fluid. We consider this nonlinear, nonlocal system on a periodic strip, equipped with homogeneous Neumann boundary…

偏微分方程分析 · 数学 2024-02-08 Elie Abdo , Zhongtian Hu

This paper concerns the global existence for classical solutions problem to the 3D Density-Dependent Viscosity barotropic compressible Navier-Stokes in $\Omega$ with slip boundary condition, where $\Omega$ is a simply connected bounded…

偏微分方程分析 · 数学 2021-04-22 Yuebo Cao

We consider the compressible Navier-Stokes system on time-dependent domains with prescribed motion of the boundary. For both the no-slip boundary conditions as well as slip boundary conditions we prove local-in-time existence of strong…

偏微分方程分析 · 数学 2018-12-07 Ondřej Kreml , Šárka Nečasová , Tomasz Piasecki

The present work deals with a Keller-Segel-Navier-Stokes system with potential consumption, under homogeneous Neumann boundary conditions for cell density and chemical signal, and of Dirichlet type for the velocity field, over a bounded…

偏微分方程分析 · 数学 2025-06-24 Daniel Barbosa , Gabriela Planas , Francisco Guillén-González

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

In this paper, we establish the global existence of small solutions to the inhomogeneous Navier-Stokes system in the half-space. The initial density only has to be bounded and close enough to a positive constant, and the initial velocity…

偏微分方程分析 · 数学 2013-10-08 Raphael Danchin , Ping Zhang

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

We study the Navier-Stokes steady states for a low density monodisperse hard sphere granular gas (i.e, a hard sphere ideal monatomic gas with inelastic interparticle collisions). We present a classification of the uniform steady states that…

软凝聚态物质 · 物理学 2017-05-24 F. Vega Reyes , J. S. Urbach

In this paper, we study a coupled compressible Navier-Stokes/Q-tensor system modeling the nematic liquid crystal flow in a three-dimensional bounded spatial domain. The existence and long time dynamics of globally defined weak solutions for…

偏微分方程分析 · 数学 2013-07-30 Dehua Wang , Xiang Xu , Cheng Yu

This paper concerns the global well posedness issue of the Navier-Stokes equations (CNS) describing barotropic compressible fluid flow with free surface occupied in the three dimensional exterior domain. Combining the maximal $L_p$-$L_q$…

偏微分方程分析 · 数学 2023-06-21 Yoshihiro Shibata , Xin Zhang

We study an initial-boundary value problem for the incompressible Navier-Stokes-Cahn-Hilliard system with non-constant density proposed by Abels, Garcke and Gr\"{u}n in 2012. This model arises in the diffuse interface theory for binary…

偏微分方程分析 · 数学 2023-02-21 Helmut Abels , Harald Garcke , Andrea Giorgini

Global existence of weak solutions to the Navier-Stokes equation in a cylindrical domain under the slip boundary conditions and with inflow and outflow was proved. To prove the energy estimate, crucial for the proof, we use the Hopf…

偏微分方程分析 · 数学 2010-09-30 Joanna Renclawowicz , Wojciech Zajaczkowski

An approximate solution to the two dimensional Navier Stokes equation with periodic boundary conditions is obtained by representing the x any y components of fluid velocity with complex Fourier basis vectors. The chosen space of basis…

动力系统 · 数学 2016-07-05 Logan K. Kuiper

Exponential stabilizability of the incompressible Navier-Stokes equations under dynamic slip boundary conditions toward arbitrary time-dependent trajectories is proven. The feedback control law is constructed explicitly using oblique…

偏微分方程分析 · 数学 2026-02-12 Buddhika Priyasad , Sérgio S. Rodrigues

The micropolar equations are a useful generalization of the classical Navier-Stokes model for fluids with micro-structure. We prove the existence of global and strong solutions to these equations in cylindrical domains in $\mathbb{R}^3$. We…

偏微分方程分析 · 数学 2012-05-22 B. Nowakowski

We study a thermodynamically consistent diffuse-interface model that describes the motion of two macroscopically immiscible, incompressible, and viscous Newtonian fluids with unmatched densities. This model is compatible with continuum…

偏微分方程分析 · 数学 2026-04-30 Mingwen Fei , Xiang Fei , Yadong Liu , Hao Wu