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We prove the existence of weak solutions to steady, compressible non-Newtonian Navier-Stokes system on a bounded, two- or three-dimensional domain. Assuming the viscous stress tensor is monotone satisfying a power-law growth with power $r$…

偏微分方程分析 · 数学 2024-01-11 Cosmin Burtea , Maja Szlenk

We prove space-time decay estimates of suitable weak solutions to the Navier-Stokes Cauchy problem, corresponding to a given asymptotic behavior of the initial data of the same order of decay. We use two main tools. The first is a result…

数学物理 · 物理学 2016-03-23 Francesca Crispo , Paolo Maremonti

We consider the Cauchy problem for the full compressible Navier-Stokes equations with vanishing of density at infinity in R3. Our main purpose is to prove the existence (and uniqueness) of global strong and classical solutions and study the…

偏微分方程分析 · 数学 2017-02-22 Huanyao Wen , Changjiang Zhu

We obtain a global existence result for the three-dimensional Navier-Stokes equations with a large class of data allowing growth at spatial infinity. Namely, we show the global existence of suitable weak solutions when the initial data…

偏微分方程分析 · 数学 2020-01-08 Zachary Bradshaw , Igor Kukavica , Tai-Peng Tsai

We prove the global existence of weak solutions to the Navier-Stokes equations of compressible heat-conducting fluids in two spatial dimensions with initial data and external forces which are large and spherically symmetric. The solutions…

偏微分方程分析 · 数学 2012-05-01 Fei Jiang , Song Jiang , Junpin Yin

We prove the global existence of weak solutions for the 2-D compressible Navier-Stokes equations with a density-dependent viscosity coefficient ($\lambda=\lambda(\rho)$). Initial data and solutions are small in energy-norm with nonnegative…

偏微分方程分析 · 数学 2009-02-13 Ting Zhang , Daoyuan Fang

In this article the question on uniqueness of weak solution of the incompressible Navier-Stokes Equations in the 3-dimensional case is studied. Here the investigation is carried out with use of another approach. The uniqueness of velocity…

偏微分方程分析 · 数学 2020-09-29 Kamal N. Soltanov

We investigate the inertial limit of the compressible Navier--Stokes system posed on the $3$-dimensional torus, and allowing for regions of vacuum. Considering global-in-time finite-energy weak solutions of a scaled system, we rigorously…

偏微分方程分析 · 数学 2026-03-13 Cheng Yu

In this paper, we prove that there exists a unique global solution of $3D$ Navier-Stokes equation if $\exp(a|D|^{1/\sigma})u^0\in{\mathcal{X}}^{-1}(\mathbb R^3)$ and $\|u^0\|_{{\mathcal{X}}^{-1}}<\nu$. Moreover, we will show that…

偏微分方程分析 · 数学 2015-02-17 Jamel Benameur , Lotfi Jlali

We prove that the smooth solutions to the Cauchy problem for the Navier-Stokes equations with conserved mass, total energy and finite momentum of inertia loses the initial smoothness within a finite time in the case of space of dimension 3…

偏微分方程分析 · 数学 2009-06-04 Olga Rozanova

In this paper, we consider the initial value problem of the incompressible generalized Navier-Stokes equations with initial data being in negative order Sobolev spaces, in the whole space $\mathbb{R}^d$ with $d \geq 2$. The generalized…

偏微分方程分析 · 数学 2025-09-29 Y. -X. Lin , Y. -G. Wang

We prove existence of global in time weak solutions to a compressible two-fluid Stokes system with a single velocity field and algebraic closure for the pressure law. The constitutive relation involves densities of both fluids through an…

偏微分方程分析 · 数学 2018-12-05 Didier Bresch , Piotr B. Mucha , Ewelina Zatorska

The incompressible Navier-Stokes equations are re-formulated to involve an arbitrary time dilation; and in this manner, the modified Navier-Stokes equations are obtained which have some penalization terms in the right hand side. Then, the…

流体动力学 · 物理学 2014-12-17 Fereidoun Sabetghadam

We prove the existence and uniqueness of weak solutions of the inhomogeneous incompressible Navier--Stokes equations without vacuum using the relative energy method. We present a novel and direct proof of the existence of weak solutions…

偏微分方程分析 · 数学 2025-04-24 Stefan Škondrić

We consider Navier-Stokes equations for compressible viscous fluids in the one-dimensional case with general viscosity coefficients. We prove the existence of global weak solution when the initial momentum $\rho_0 u_0$ belongs to the set of…

偏微分方程分析 · 数学 2019-01-11 Boris Haspot

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

In this paper we consider the Quantum Navier-Stokes system both in two and in three space dimensions and prove global existence of finite energy weak solutions for large initial data. In particular, the notion of weak solutions is the…

偏微分方程分析 · 数学 2021-03-30 Paolo Antonelli , Stefano Spirito

This article studies the uniqueness of the weak solution of the incompressible Navier-Stokes Equations in the 3-dimensional case. Here, the investigation is provided using two different approaches. The first (the main) result is obtained…

偏微分方程分析 · 数学 2024-05-20 Kamal N. Soltanov

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

In this paper we prove nonexistence of stationary weak solutions to the Euler-Poisson equations and the Navier-Stokes-Poisson equations in $\Bbb R^N$, $N\geq 2$, under suitable assumptions of integrability for the density, velocity and the…

偏微分方程分析 · 数学 2009-02-09 Dongho Chae