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A crucial issue in fluid dynamics is related to the knowledge of the fluid pressure. A new general pressure equation is derived from compressible Navier-Stokes equation. It is argued that this new pressure equation allows unifying…

流体动力学 · 物理学 2020-05-12 Adrien Toutant

The relaxation-time limit from the Quantum-Navier-Stokes-Poisson system to the quantum drift-diffusion equation is performed in the framework of finite energy weak solutions. No assumptions on the limiting solution are made. The proof…

偏微分方程分析 · 数学 2021-07-14 Paolo Antonelli , Giada Cianfarani Carnevale , Corrado Lattanzio , Stefano Spirito

We consider a numerical approach for the incompressible surface Navier-Stokes equation on surfaces with arbitrary genus $g(\mathcal{S})$. The approach is based on a reformulation of the equation in Cartesian coordinates of the embedding…

数值分析 · 数学 2018-02-14 Sebastian Reuther , Axel Voigt

In this paper, we establish the short time inviscid limit of the incompressible Navier-Stokes equations with critical Navier-slip boundary conditions for analytic data on half-space, a boundary condition that is physically derived from the…

偏微分方程分析 · 数学 2019-05-01 Trinh T. Nguyen

In [1], the Authors rigorously establish the relaxation limit from the Quantum Navier Stokes Poisson (QNSP) system to the Quantum Drift Diffusion (QDD) equation, while providing only a brief outline of the global existence theory for weak…

偏微分方程分析 · 数学 2025-12-10 Giada Cianfarani Carnevale

The Navier--Stokes equations for incompressible flows past a two--dimensional sphere are considered in this article. The existence of an inertial form of the equations is established. Furthermore for the first time for fluid equations, we…

chao-dyn · 物理学 2008-02-03 Roger Temam , Shouhong Wang

The Navier-Stokes equations are paradigmatic equations describing hydrodynamics of an interacting system with microscopic interactions encoded in transport coefficients. In this work we show how the Navier-Stokes equations arise from the…

统计力学 · 物理学 2025-02-05 Maciej Łebek , Miłosz Panfil

In this paper, we investigate the link between kinetic equations (including Boltzmann with or without cutoff assumption and Landau equations) and the incompressible Navier-Stokes equation. We work with strong solutions and we treat all the…

偏微分方程分析 · 数学 2026-05-20 Kleber Carrapatoso , Isabelle Gallagher , Isabelle Tristani

In this paper, we introduce a finite propagation speed perturbation of the incompressible Navier-Stokes equations (NS). The model we consider is inspired by a hyperbolic perturbation of the heat equation due to Cattaneo (Sulla conduzione…

偏微分方程分析 · 数学 2013-08-05 Imène Hachicha

A new exact solution of the Navier-Stokes equation is derived for the compressible flows which are far from equilibrium in the limit of extremely low shear viscosity and relatively large volume viscosity. The closed description of the…

流体动力学 · 物理学 2019-03-05 Sergey G. Chefranov , Artem S. Chefranov

We study the initial-boundary value problem of the Navier-Stokes equations for incompressible fluids in a general domain in $\R^n$ with compact and smooth boundary, subject to the kinematic and vorticity boundary conditions on the non-flat…

偏微分方程分析 · 数学 2009-01-05 Gui-Qiang Chen , Dan Osborne , Zhongmin Qian

Given an obstacle in $\mathbb{R}^3$ and a non-zero velocity with small amplitude at the infinity, we construct the unique steady Boltzmann solution flowing around such an obstacle with the prescribed velocity as $|x|\to \infty$, which…

数学物理 · 物理学 2022-06-07 Raffaele Esposito , Yan Guo , Rossana Marra

We propose a mathematical derivation of stochastic compressible Navier-Stokes equation. We consider many-particle systems with a Hamiltonian dynamics supplemented by a friction term and environmental noise. Both the interaction potential…

偏微分方程分析 · 数学 2025-03-21 Jesus Correa , Christian Olivera

We obtain the first rigorous derivation of an incompressible Navier-Stokes-Fourier system with self-consistent and time-dependent forcing terms from the inelastic hard-spheres Boltzmann equation associated to the relevant case of…

偏微分方程分析 · 数学 2025-11-27 R. Alonso , B. Lods , I. Tristani

Consider the stationary Boltzmann equation in 2D convex domains with diffusive boundary condition. In this paper, we establish the hydrodynamic limits while the boundary layers are present, and derive the steady Navier-Stokes-Fourier system…

偏微分方程分析 · 数学 2021-08-25 Lei Wu

We study a modified three-dimensional incompressible anisotropic Navier-Stokes equations. The modification consists in the addition of a power term to the nonlinear convective one. This modification appears naturally in porous media when a…

偏微分方程分析 · 数学 2016-01-26 Hakima Bessaih , Saber Trabelsi , Hamdi Zorgati

In this paper we consider the one-dimensional Navier-Stokes system for a heat-conducting, compressible reacting mixture which describes the dynamic combustion of fluids of mixed kinds on unbounded domains. This model has been discussed on…

偏微分方程分析 · 数学 2026-02-24 Siran Li

A remarkable feature of fluid dynamics is its relationship with classical dynamics and statistical mechanics. This has motivated in the past mathematical investigations concerning, in a special way, the "derivation" based on kinetic theory,…

流体动力学 · 物理学 2010-03-16 Massimo Tessarotto , Claudio Asci , Claudio Cremaschini , Alessandro Soranzo , Gino Tironi

The existence of the velocity potential is a direct consequence from the derivation of the continuity equation from the Schroedinger equation. This implies that the Cole-Hopf transformation is applicable to the Navier-Stokes equation for an…

偏微分方程分析 · 数学 2013-01-17 Vladimir V. Kulish , Jose L. Lage

In this article we study a system of equations that is known to {\em extend} Navier-Stokes dynamics in a well-posed manner to velocity fields that are not necessarily divergence-free. Our aim is to contribute to an understanding of the role…

偏微分方程分析 · 数学 2015-06-04 Gautam Iyer , Robert L. Pego , Arghir Zarnescu