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This article is devoted to the well-posedness of the stochastic compressible Navier Stokes equations. We establish the global existence of an appropriate class of weak solutions emanating from large inital data, set within a bounded domain.…

偏微分方程分析 · 数学 2015-04-07 Scott Smith

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

We investigate the low Mach number limit for the 3-D quantum Navier-Stokes system. For general ill-prepared initial data, we prove strong convergence of finite energy weak solutions to weak solutions of the incompressible Navier-Stokes…

偏微分方程分析 · 数学 2021-02-15 Paolo Antonelli , Lars Eric Hientzsch , Pierangelo Marcati

We present a new scheme for solving Navier-Stokes systems. This is inspired by material differentiation and combined with discrete Morse semi-flow. The solution has the first energy inequality, we set some assumption though. This result…

偏微分方程分析 · 数学 2014-08-13 Kazuhiro Horihata

This paper presents a robust, adaptive numerical scheme for simulating high density ratio and high shear multiphase flows on locally refined Cartesian grids that adapt to the evolving interfaces and track regions of high vorticity. The…

We study periodic solutions to the Navier-Stokes equations. The transition phase of a dynamic Navier-Stokes solution to the periodic-in-time state can be excessively long and it depends on parameters like the domain size and the viscosity.…

数值分析 · 数学 2019-12-30 Thomas Richter

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

In this paper, we consider the compressible Navier--Stokes system around the constant equilibrium states and prove the unique existence of a global solution for arbitrarily large initial data in the scaling critical Besov space provided…

偏微分方程分析 · 数学 2023-04-11 Mikihiro Fujii

In this paper, we extend the positivity-preserving, entropy stable first-order finite volume-type scheme developed for the one-dimensional compressible Navier-Stokes equations in [1] to three spatial dimensions. The new first-order scheme…

数值分析 · 数学 2021-11-08 Johnathon Upperman , Nail K. Yamaleev

We prove weak-strong uniqueness results for the isentropic compressible Navier-Stokes system on the torus. In other words, we give conditions on a strong solution so that it is unique in a class of weak solutions. Known weak-strong…

偏微分方程分析 · 数学 2015-05-13 Pierre Germain

We propose a stochastic collocation method based on the piecewise constant interpolation on the probability space combined with a finite volume method to solve the compressible Navier-Stokes system at the nodal points. We show convergence…

数值分析 · 数学 2021-11-16 Eduard Feireisl , Mária Lukáčová-Medvid'ová

We introduce a finite volume scheme for the two-dimensional incompressible Navier-Stokes equations. We use a triangular mesh. The unknowns for the velocity and pressure are respectively piecewise constant and affine. We use a projection…

数值分析 · 数学 2007-11-20 Sebastien Zimmermann

We prove the existence of weak solutions to the steady compressible Navier-Stokes system in the barotropic case for a class of pressure laws singular at vacuum. We consider the problem in a bounded domain in R^2 with slip boundary…

偏微分方程分析 · 数学 2015-06-16 Michał Łasica

We consider the one-dimensional compressible Navier--Stokes system for a viscous and heat-conducting ideal polytropic gas when the viscosity $\mu$ and the heat conductivity $\kappa$ depend on the specific volume $v$ and the temperature…

偏微分方程分析 · 数学 2020-09-24 Tao Wang , Huijiang Zhao

We consider a diffuse interface model for an incompressible isothermal mixture of two viscous Newtonian fluids with different densities in a bounded domain in two or three space dimensions. The model is the nonlocal version of the one…

偏微分方程分析 · 数学 2015-06-01 Sergio Frigeri

In this paper, we investigate a system coupled by nonhomogeneous incompressible Navier-Stokes equations and Allen-Cahn equations describing a diffuse interface for two-phase flow of viscous fluids with different densities in a bounded…

偏微分方程分析 · 数学 2025-03-06 Yinghua Li , Wenlin Ye

In this paper we consider the Navier-Stokes equations supplemented with either the Dirichlet or vorticity-based Navier boundary conditions. We prove that weak solutions obtained as limits of solutions to the Navier-Stokes-Voigt model…

偏微分方程分析 · 数学 2016-05-17 Luigi C. Berselli , Stefano Spirito

A recent paper [J. A. Evans, D. Kamensky, Y. Bazilevs, "Variational multiscale modeling with discretely divergence-free subscales", Computers & Mathematics with Applications, 80 (2020) 2517-2537] introduced a novel stabilized finite element…

数值分析 · 数学 2021-12-21 Sajje Lee Calfy , John A. Evans , David Kamensky

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

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

In this paper, we study the hydrostatic approximation for the Navier-Stokes system in a thin domain. When the convex initial data with Gevrey regularity of optimal index 3/2 in x variable and Sobolev regularity in y variable, we justify the…

偏微分方程分析 · 数学 2024-11-20 Chao Wang , Yuxi Wang