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We investigate the size of the regular set for small perturbations of some classes of strong large solutions to the Navier--Stokes equation. We consider perturbations of the data which are small in suitable weighted $L^{2}$ spaces but can…

偏微分方程分析 · 数学 2017-06-16 Renato Lucà , Piero D'Ancona

In this paper, we study the dynamic stability of the 3D axisymmetric Navier-Stokes Equations with swirl. To this purpose, we propose a new one-dimensional (1D) model which approximates the Navier-Stokes equations along the symmetry axis. An…

偏微分方程分析 · 数学 2007-05-23 Thomas Y. Hou , Congming Li

Combining pointwise Green's function bounds obtained in a companion paper [MZ.2] with earlier, spectral stability results obtained in [HuZ], we establish nonlinear orbital stability of small amplitude viscous shock profiles for the class of…

偏微分方程分析 · 数学 2007-05-23 Corrado Mascia , Kevin Zumbrun

We construct large velocity vector solutions to the three dimensional inhomogeneous Navier-Stokes system. The result is proved via the stability of two dimensional solutions with constant density, under the assumption that initial density…

偏微分方程分析 · 数学 2019-01-29 Piotr B. Mucha , Liutang Xue , Xiaoxin Zheng

In this paper, we are concerned with the system of the compressible Navier-Stokes equations coupled with the Maxwell equations through the Lorentz force in three space dimensions. The asymptotic stability of the steady state with the…

偏微分方程分析 · 数学 2011-07-12 Renjun Duan

We prove existence and asymptotic stability of the stationary solution for the compressible Navier-Stokes equations for isentropic gas dynamics with a density dependent diffusion in a bounded interval. We present the necessary conditions to…

偏微分方程分析 · 数学 2020-12-01 Marta Strani

We study well-posedness of a velocity-vorticity formulation of the Navier--Stokes equations, supplemented with no-slip velocity boundary conditions, a no-penetration vorticity boundary condition, along with a natural vorticity boundary…

偏微分方程分析 · 数学 2017-08-09 Maxim A. Olshanskii , Leo G. Rebholz , Abner J. Salgado

Classical Navier-Stokes equations fail to predict shock wave profiles accurately. In this paper, the Navier-Stokes system is fully transformed using a velocity variable transformation. The transformed equations termed the re-casted…

流体动力学 · 物理学 2021-09-16 M. H. Lakshminarayana Reddy , S. Kokou Dadzie

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 full compressible Navier-Stokes system describing the motion of a viscous, compressible, heat-conductive, and Newtonian polytropic fluid is studied in a three-dimensional simply connected bounded domain with smooth boundary having a…

偏微分方程分析 · 数学 2022-07-04 Jing Li , Boqiang Lü , Xue Wang

Generalized Navier-Stokes equations which were proposed recently to describe active turbulence in living fluids are analyzed rigorously. Results on wellposedness and stability in the $L^2(\mathbb{R}^n)$-setting are derived. Due to the…

偏微分方程分析 · 数学 2016-04-08 Florian Zanger , Hartmut Löwen , Jürgen Saal

We investigate the large-time behavior of solutions to an outflow problem of the full compressible Navier-Stokes equations in the half line. The non-degenerate stationary solution is shown to be asymptotically stable under large initial…

偏微分方程分析 · 数学 2020-09-24 Ling Wan , Tao Wang , Qingyang Zou

We prove a stability result of constant equilibria for the three-dimensional Navier-Stokes-Poisson system uniform in the inviscid limit. We allow the initial density to be close to a constant and the potential part of the initial velocity…

偏微分方程分析 · 数学 2020-11-17 Frédéric Rousset , Changzhen Sun

Howard Brenner has recently proposed modifications to the Navier-Stokes equations that relate to a diffusion of fluid volume that would be significant for flows with high density gradients. In a previous paper (Greenshields & Reese, 2007),…

流体动力学 · 物理学 2007-06-04 Christopher J Greenshields , Jason M Reese

We prove that there exists a weak solution to a system governing an unsteady flow of a viscoelastic fluid in three dimensions, for arbitrarily large time interval and data. The fluid is described by the incompressible Navier-Stokes…

偏微分方程分析 · 数学 2020-07-22 Michal Bathory , Miroslav Bulíček , Josef Málek

We study the two-dimensional structural stability of shock waves in a compressible isentropic inviscid elastic fluid in the sense of the local-in-time existence and uniqueness of discontinuous shock front solutions of the equations of…

偏微分方程分析 · 数学 2019-03-21 Alessandro Morando , Yuri Trakhinin , Paola Trebeschi

In a previous work, we presented a class of initial data to the three dimensional, periodic, incompressible Navier-Stokes equations, generating a global smooth solution although the norm of the initial data may be chosen arbitrarily large.…

偏微分方程分析 · 数学 2007-05-23 Jean-Yves Chemin , Isabelle Gallagher

The goal of this paper is to prove the existence and stability of shocks for viscous scalar conservation laws with space periodic flux, in the multi-dimensional case. Such a result had been proved by the first author in one space dimension,…

偏微分方程分析 · 数学 2016-03-17 Anne-Laure Dalibard , Moon-Jin Kang

We investigate the time-asymptotic stability of solutions to the one-dimensional Navier-Stokes-Fourier system in the half-space, focusing on the outflow and impermeable wall problems. When the prescribed boundary and far-field conditions…

偏微分方程分析 · 数学 2026-03-03 Xushan Huang , Hobin Lee , HyeonSeop Oh

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