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We establish the global existence and uniqueness of classical solutions to the three-dimensional full compressible Navier-Stokes system with smooth initial data which are of small energy but possibly large oscillations where the initial…

数学物理 · 物理学 2011-08-08 Xiangdi Huang , Jing Li

We prove that if the local second-order structure function exponents in the inertial range remain positive uniformly in viscosity, then any spacetime $L^2$ weak limit of Leray--Hopf weak solutions of the Navier-Stokes equations on any…

偏微分方程分析 · 数学 2018-11-14 Theodore D. Drivas , Huy Q. Nguyen

We study an inviscid limit problem for a class of Navier-Stokes equations with vanishing measurable viscous coefficients in 3-dimensional spatial domains whose boundaries are oscillatory, depending on a small parameter, and become flat when…

偏微分方程分析 · 数学 2025-03-11 Tuoc Phan , Dario A. Valdebenito

We introduce and analyze a space-time least-squares method associated to the unsteady Navier-Stokes system. Weak solution in the two dimensional case and regular solution in the three dimensional case are considered. From any initial guess,…

最优化与控制 · 数学 2019-09-12 Jerome Lemoine , Arnaud Munch

We prove weak-strong uniqueness results for the compressible Navier-Stokes system with degenerate viscosity coefficient and with vacuum in one dimension. In other words, we give conditions on the weak solution constructed in \cite{Jiu} so…

偏微分方程分析 · 数学 2014-12-01 Boris Haspot

Consider the unforced incompressible homogeneous Navier-Stokes equations on the $d$-torus $\mathbb{T}^d$ where $d\geq 4$ is the space dimension. It is shown that there exist nontrivial steady-state weak solutions $u\in L^{2}(\mathbb{T}^d)$.…

偏微分方程分析 · 数学 2019-03-27 Xiaoyutao Luo

For periodic initial data with initial density allowed to vanish, we establish the global existence of strong and weak solutions for the two-dimensional compressible Navier-Stokes equations with no restrictions on the size of initial data…

偏微分方程分析 · 数学 2012-06-19 Xiangdi Huang , Jing Li

This paper provides primarily an analytical ad hoc -solution for 3-dimensional, incompressible Navier-Stokes equations with a suitable external force field. The solution turns out to be smooth and integrable on the whole space. There is…

综合物理 · 物理学 2014-02-11 Jussi Ilmari Tyhtila

Weak solutions of incompressible Navier-Stokes Equations re-obtained variationally

偏微分方程分析 · 数学 2020-11-20 Arkady Poliakovsky

The global-in-time existence of weak solutions to the barotropic compressible quantum Navier-Stokes equations with damping is proved for large data in three dimensional space. The model consists of the compressible Navier-Stokes equations…

偏微分方程分析 · 数学 2015-08-26 Alexis F. Vasseur , Cheng Yu

Navier-Stokes equations in the whole space R^3 subject to an anisotropic viscosity and a random perturbation of multiplicative type is described. By adding a term of Brinkman-Forchheimer type to the model, existence and uniqueness of global…

概率论 · 数学 2022-10-11 Hakima Bessaih , Annie Millet

In this paper, we focus on the three-dimensional hyper viscous and resistive Hall-MHD equations on the torus, where the viscous and resistive exponent $\alpha\in [\rho, 5/4)$ with a fixed constant $\rho\in (1,5/4)$. We prove the…

偏微分方程分析 · 数学 2023-07-14 Yi Peng , Huaqiao Wang

In this paper, we consider a two-dimensional non-resistive magnetohydrodynamic model, taking the fluctuation of absolute temperature into account. Combining the method of weak convergence developed by Lions [20], Feireisl et al. [7, 8] from…

偏微分方程分析 · 数学 2020-09-15 Yang Li , Yongzhong Sun

We prove the global existence of weak solutions of the one-dimensional Navier-Stokes-Korteweg (NSK) equations when the viscosity and the capillarity coefficients are power functions of the density, which may be zero on a set with positive…

偏微分方程分析 · 数学 2025-02-25 Paolo Antonelli , Didier Bresch , Stefano Spirito

The objective of this work is to present the existence result of for the non- steady compressible Navier-Stokes equations via time discretization. We consider the two-dimensional case with a slip boundary conditions. First, the existence of…

经典分析与常微分方程 · 数学 2010-09-16 Ewelina Kamińska

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

This paper concerns the Dirichlet problem of three-dimensional inhomogeneous Navier-Stokes equations with density-dependent viscosity. When the viscosity coefficient $\mu(\rho)$ is a power function of the density ($\mu(\rho)=\mu\rho^\alpha$…

偏微分方程分析 · 数学 2024-08-02 Xiangdi Huang , Jiaxu Li , Rong Zhang

In this paper, we show that for $\alpha\in(1/2,5/4)$, there exists a force $f$ and two distinct Leray-Hopf flows $u_1,u_2$ solving the forced fractional Navier-Stokes equation starting from rest. This shows that the J.L. Lions exponent is…

偏微分方程分析 · 数学 2024-04-23 Calvin Khor , Changxing Miao , Xiaoyan Su

The purpose of this paper is to prove the existence of global in time local energy weak solutions to the Navier-Stokes equations in the half-space $\mathbb R^3_+$. Such solutions are sometimes called Lemari\'e-Rieusset solutions in the…

偏微分方程分析 · 数学 2019-02-06 Yasunori Maekawa , Hideyuki Miura , Christophe Prange

We prove global existence of appropriate weak solutions for the compressible Navier--Stokes equations for more general stress tensor than those covered by P.-L. Lions and E. Feireisl's theory. More precisely we focus on more general…

偏微分方程分析 · 数学 2016-02-08 Didier Bresch , Pierre-Emmanuel Jabin