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We study the Navier-Stokes-Darcy-Boussinesq system that models the thermal convection of a fluid overlying a saturated porous medium in a general decomposed domain. In both two and three spatial dimensions, we first prove the existence of…

偏微分方程分析 · 数学 2024-08-21 Xiaoming Wang , Hao Wu

In this paper we study the vanishing viscosity limit for the inhomogeneous incompressible Navier-Stokes equations on bounded domains with no-slip boundary condition in two or three space dimensions. We show that, under suitable assumptions…

偏微分方程分析 · 数学 2025-07-03 Jens Schröder , Emil Wiedemann

In the seminal work [39], Leray demonstrated the existence of global weak solutions to the Navier-Stokes equations in three dimensions. We exhibit two distinct Leray solutions with zero initial velocity and identical body force. Our…

偏微分方程分析 · 数学 2021-12-07 Dallas Albritton , Elia Brué , Maria Colombo

We prove the existence of a weak solution to the three-dimensional steady compressible isentropic Navier-Stokes equations in bounded domains for any specific heat ratio \gamma > 1. Generally speaking, the proof is based on the new weighted…

偏微分方程分析 · 数学 2013-05-27 Song Jiang , Chunhui Zhou

This paper is concerned with a compressible MHD equations describing the evolution of viscous non-resistive fluids in piecewise regular bounded Lipschitz domains. Under the general inflow-outflow boundary conditions, we prove existence of…

偏微分方程分析 · 数学 2025-01-28 Yang Li , Young-Sam Kwon , Yongzhong Sun

We study the incompressible stationary Navier-Stokes equations in the upper-half plane with homogeneous Dirichlet boundary condition and non-zero external forcing terms. Existence of weak solutions is proved under a suitable condition on…

偏微分方程分析 · 数学 2023-06-02 Adrian D. Calderon , Van Le , Tuoc Phan

This paper addresses a nonstationary flow of heat-conductive incompressible Newtonian fluid with temperature-dependent viscosity coupled with linear heat transfer with advection and a viscous heat source term, under Navier/Dirichlet…

偏微分方程分析 · 数学 2011-11-15 Luisa Consiglieri

The existence of proper weak solutions of the Dirichlet-Cauchy problem constituted by the Navier-Stokes-Fourier system which characterizes the incompressible homogeneous Newtonian fluids under thermal effects is studied. We call proper weak…

偏微分方程分析 · 数学 2020-01-22 Luisa Consiglieri

For initial datum of finite kinetic energy, Leray has proven in 1934 that there exists at least one global in time finite energy weak solution of the 3D Navier-Stokes equations. In this paper we prove that weak solutions of the 3D…

偏微分方程分析 · 数学 2018-10-12 Tristan Buckmaster , Vlad Vicol

We address the issue of existence of weak solutions for the non-homogeneous Navier-Stokes system with Navier friction boundary conditions allowing the presence of vacuum zones and assuming rough conditions on the data. We also study the…

偏微分方程分析 · 数学 2012-10-05 Lucas C. F. Ferreira , Gabriela Planas , Elder J. Villamizar-Roa

The Navier-Stokes equations for viscous, incompressible fluids are studied in the three-dimensional periodic domains, with the body force having an asymptotic expansion, when time goes to infinity, in terms of power-decaying functions in a…

偏微分方程分析 · 数学 2018-03-16 Dat Cao , Luan Hoang

This paper investigates boundary hemivariational inequality problems associated with both stationary and non-stationary two and three-dimensional convective Brinkman-Forchheimer equations (or Navier-stokes equations with damping), which…

偏微分方程分析 · 数学 2025-08-26 Jyoti Jindal , Sagar Gautam , Manil T. Mohan

We consider the compressible Navier-Stokes equation with density dependent viscosity coefficients, focusing on the case where those coefficients vanish on vacuum. We prove the stability of weak solutions both in the torus and in the whole…

偏微分方程分析 · 数学 2007-05-23 Antoine Mellet , Alexis F. Vasseur

The long-time regularity and asymptotic of weak solutions are studied for compressible Navier-Stokes equations with degenerate viscosity in a bounded periodic domain in two and three dimensions. It is shown that the density keeps strictly…

偏微分方程分析 · 数学 2022-04-27 Zhilei Liang

We study a Q-tensor problem modeling the dynamic of nematic liquid crystals in 3D domains. The system consists of the Navier-Stokes equations, with an extra stress tensor depending on the elastic forces of the liquid crystal, coupled with…

偏微分方程分析 · 数学 2018-05-08 Blanca Climent-Ezquerra , Francisco Guillén-González

We study a 3D fluid-rigid body interaction problem. The fluid flow is governed by 3D incompressible Navier-Stokes equations, while the motion of the rigid body is described by a system of ordinary differential equations describing…

偏微分方程分析 · 数学 2023-07-07 Boris Muha , Šárka Nečasová , Ana Radošević

We consider a single disk moving under the influence of a 2D viscous fluid and we study the asymptotic as the size of the solid tends to zero.If the density of the solid is independent of $\varepsilon$, the energy equality is not sufficient…

偏微分方程分析 · 数学 2016-11-08 Christophe Lacave , Takéo Takahashi

We consider the flow of a generalized non-Newtonian incompressible heat-conducting fluid in a~bounded two-dimensional domain, subject to Dirichlet boundary conditions for velocity and temperature. The fluid obeys a power-law constitutive…

偏微分方程分析 · 数学 2026-03-18 Miroslav Bulíček , Petr Kaplický , Lucie Wintrová

We present a weak-strong uniqueness result for the inhomogeneous Navier-Stokes (INS) equations in $\mathbb{R}^d$ ($d=2,3$) for bounded initial densities that are far from vacuum. Given a strong solution within the class employed in Paicu,…

偏微分方程分析 · 数学 2024-04-22 Timothée Crin-Barat , Stefan Škondrić , Alessandro Violini

We consider the Cauchy problem for the continuity equation with a bounded nearly incompressible vector field $b\colon (0,T) \times \mathbb R^d \to \mathbb R^d$, $T>0$. This class of vector fields arises in the context of hyperbolic…

偏微分方程分析 · 数学 2016-10-28 Nikolay A. Gusev