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We consider the Navier--Stokes--Fourier system describing the motion of a compressible, viscous, and heat conducting fluid in a bounded domain with general non-homogeneous Dirichlet boundary conditions for the velocity and the absolute…

偏微分方程分析 · 数学 2021-06-11 Nilasis Chaudhuri , Eduard Feireisl

The Navier-Stokes-Fourier system describing the motion of a compressible, viscous, and heat conducting fluid is known to possess global-in-time weak solutions for any initial data of finite energy. We show that a weak solution coincides…

偏微分方程分析 · 数学 2015-06-03 Eduard Feireisl , Antonin Novotny

We study the motion of the steady compressible heat conducting viscous fluid in a bounded three dimensional domain governed by the compressible Navier-Stokes-Fourier system. Our main result is the existence of a weak solution to these…

偏微分方程分析 · 数学 2007-09-24 Piotr B. Mucha , Milan Pokorny

We give a uniform bound from below on the temperature for a variant of the compressible Navier-Stokes-Fourier system, under suitable hypotheses. This system of equations forms a mathematical model of the motion of a compressible fluid…

偏微分方程分析 · 数学 2014-11-06 Eric Baer , Alexis Vasseur

The steady compressible Navier--Stokes--Fourier system is considered, with either Dirichlet or Navier boundary conditions for the velocity and the heat flux on the boundary proportional to the difference of the temperature inside and…

偏微分方程分析 · 数学 2015-11-23 Piotr B. Mucha , Milan Pokorný , Ewelina Zatorska

In this paper our goal is to define a renormalised dissipative measure--valued (rDMV) solution of compressible Navier--Stokes system for fluids with non-monotone pressure--density relation. We prove existence of rDMV solutions and establish…

偏微分方程分析 · 数学 2020-03-18 Nilasis Chaudhuri

We consider global in time solutions of the Navier-Stokes-Fourier system describing the motion of a general compressible, viscous and heat conducting fluid far from equilibirum. Using a new concept of weak solution suitable to accommodate…

偏微分方程分析 · 数学 2021-09-03 Eduard Feireisl , Young-Sam Kwon

The existence of weak solutions to the Navier-Stokes-Fourier system describing the stationary states of a compressible, viscous, and heat conducting fluid in bounded 2D-domains is shown under fairly general and physically relevant…

偏微分方程分析 · 数学 2019-02-28 I. S. Ciuperca , E. Feireisl , M. Jai , A. Petrov

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

We prove strong convergence of an upwind-type finite volume method to a weak solution of the Navier-Stokes-Fourier system with the Dirichlet boundary conditions. The limit solution satisfies a weak form of the mass and momentum equations,…

数值分析 · 数学 2026-03-24 Eduard Feireisl , Maria Lukacova-Medvidova , Bangwei She , Yuhuan Yuan

We consider the Navier--Stokes--Fourier system in a bounded domain $\Omega \subset R^d$, $d=2,3$, with physically realistic in/out flow boundary conditions. We develop a new concept of weak solutions satisfying a general form of relative…

偏微分方程分析 · 数学 2021-05-12 Eduard Feireisl , Antonin Novotny

We show the Navier-Stokes-Fourier system driven by inhomogeneous Dirichlet boundary conditions admits a weak solution with a strictly positive temperature as long as the initial/boundary temperature is bounded below away from zero.

偏微分方程分析 · 数学 2023-10-31 Eduard Feireisl

We consider the complete Euler system describing the time evolution of a general inviscid compressible fluid. We introduce a new concept of measure-valued solution based on the total energy balance and entropy inequality for the physical…

偏微分方程分析 · 数学 2018-05-23 Jan Brezina , Eduard Feireisl

We introduce the notion of relative entropy for the weak solutions of the compressible Navier-Stokes system. We show that any finite energy weak solution satisfies a relative entropy inequality for any pair of sufficiently smooth test…

偏微分方程分析 · 数学 2015-06-03 Eduard Feireisl , Bum Ja Jin , Antonin Novotny

In this paper, we consider the heat-conducting compressible self-gravitating fluids in time-dependent domains, which typically describe the motion of viscous gaseous stars. The flow is governed by the 3-D Navier-Stokes-Fourier-Poisson…

偏微分方程分析 · 数学 2024-01-18 Kuntal Bhandari , Bingkang Huang , Šárka Nečasová

We identify a class of measure-valued solutions of the barotropic Euler system on a general (un-bounded) spatial domain as a vanishing viscosity limit for the compressible Navier-Stokes system. Then we establish the weak…

偏微分方程分析 · 数学 2020-10-23 Danica Basarić

We introduce a concept of dissipative measure valued martingale solutions for stochastic compressible Navier-Stokes equations. These solutions are weak from a probabilistic perspective, since they include both the driving Wiener process and…

概率论 · 数学 2025-08-07 Utsab Sarkar

We consider the compressible Navier-Stokes-Fourier system on time-dependent domains with prescribed motion of the boundary, supplemented with slip boundary conditions for the velocity. Assuming that the pressure can be decomposed into an…

偏微分方程分析 · 数学 2015-11-17 Ondrej Kreml , Vaclav Macha , Sarka Necasova , Aneta Wroblewska-Kaminska

We consider a flow of non-Newtonian heat conducting incompressible fluid in a bounded domain subjected to the homogeneous Dirichlet boundary condition for the velocity field and the spatially inhomogeneous Dirichlet boundary condition for…

偏微分方程分析 · 数学 2022-10-12 Anna Abbatiello , Miroslav Bulíček , Petr Kaplický

The Navier-Stokes-Fourier system is a well established model for describing the motion of viscous compressible heat-conducting fluids. We study the existence of time-periodic weak solutions and improve the known result in the following…

偏微分方程分析 · 数学 2014-04-08 Simon Axmann , Milan Pokorny
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