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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…

Analysis of PDEs · Mathematics 2025-03-06 Yinghua Li , Wenlin Ye

We note that the equations of relativistic hydrodynamics reduce to the incompressible Navier-Stokes equations in a particular scaling limit. In this limit boundary metric fluctuations of the underlying relativistic system turn into a…

High Energy Physics - Theory · Physics 2009-08-24 Sayantani Bhattacharyya , Shiraz Minwalla , Spenta R. Wadia

Relativistic fluids are Lorentz invariant, and a non-relativistic limit of such fluids leads to the well-known Navier-Stokes equation. However, for fluids moving with respect to a reference system, or in critical systems with generic…

High Energy Physics - Theory · Physics 2018-08-15 Jan de Boer , Jelle Hartong , Niels A. Obers , Watse Sybesma , Stefan Vandoren

Steady flows of an incompressible homogeneous chemically reacting fluid are described by a coupled system, consisting of the generalized Navier--Stokes equations and convection - diffusion equation with diffusivity dependent on the…

Analysis of PDEs · Mathematics 2019-03-27 Anna Abbatiello , Miroslav Bulíček , Petr Kaplický

We have developed dynamic manifold solutions for the Navier-Stokes equations using an extension of differential geometry called the calculus for moving surfaces. Specifically, we have shown that the geometric solutions to the Navier-Stokes…

Analysis of PDEs · Mathematics 2024-05-27 David V. Svintradze

We show the global existence of a weak solution for the Navier-Stokes equations for compressible fluids with slip boundary conditions of friction type.

Analysis of PDEs · Mathematics 2023-06-30 Sarka Necasova , Justyna Ogorzaly , Jan Scherz

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…

Numerical Analysis · Mathematics 2007-11-20 Sebastien Zimmermann

We introduce a modified version of the two-dimensional Navier-Stokes equation, preserving energy and momentum of inertia, which is motivated by the occurrence of different dissipation time scales and related to the gradient flow structure…

Mathematical Physics · Physics 2009-11-13 E. Caglioti , M. Pulvirenti , F. Rousset

Exploring the general analytical solutions to the Euler equations for ideal fluids holds significant theoretical and practical importance. The steady flows in two-dimensional spaces are considered whether there is an analytical solution in…

Fluid Dynamics · Physics 2025-10-29 Wenan Zou

We prove that traveling waves in viscous compressible liquids are a generic phenomenon. The setting for our result is a horizontally infinite, finite depth layer of compressible, barotropic, viscous fluid, modeled by the free boundary…

Analysis of PDEs · Mathematics 2023-01-03 Noah Stevenson , Ian Tice

We show that in bounded domains with no-slip boundary conditions, the Navier-Stokes pressure can be determined in a such way that it is strictly dominated by viscosity. As a consequence, in a general domain we can treat the Navier-Stokes…

Analysis of PDEs · Mathematics 2007-05-23 Jian-Guo Liu , Jie Liu , Robert L. Pego

We investigate the creation and properties of eventual vacuum regions in the weak solutions of the continuity equation, in general, and in the weak solutions of compressible Navier--Stokes equations, in particular. The main results are…

Analysis of PDEs · Mathematics 2019-02-12 Antonin Novotny , Milan Pokorny

The paper examines the issue of stability of Poiseuille type flows in regime of compressible Navier-Stokes equations in a three dimensional finite pipe-like domain. We prove the existence of stationary solutions with inhomogeneous Navier…

Analysis of PDEs · Mathematics 2012-12-03 Piotr B. Mucha , Tomasz Piasecki

A new formulation of the Navier-Stokes equation, in terms of the gradient of the total mechanical energy, is derived for the time-averaged flows, and the singular point possibly existing in the Navier-Stokes equation is exactly found.…

Fluid Dynamics · Physics 2014-12-30 Hua-Shu Dou

We consider the modified Navier-Stokes equations in R3 describing the motion of a fluid in the presence of a rotating rigid body. Weighted Sobolev spaces are used to describe the behavior of solutions at large distances. Under suitable…

Analysis of PDEs · Mathematics 2026-01-09 Tahar Zamène Boulmezaoud , Nabil Kerdid , Amel Kourta

In this work the existence of weak solutions for a class of non-Newtonian viscous fluid problems is analyzed. The problem is modeled by the steady case of the generalized Navier-Stokes equations, where the exponent $q$ that characterizes…

Analysis of PDEs · Mathematics 2012-04-02 Hermenegildo Borges de Oliveira

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…

Analysis of PDEs · Mathematics 2026-02-12 Buddhika Priyasad , Sérgio S. Rodrigues

We are concerned with the existence and uniqueness issue for the inhomogeneous incompressible Navier-Stokes equations supplemented with H^1 initial velocity and only bounded nonnegative density. In contrast with all the previous works on…

Analysis of PDEs · Mathematics 2017-06-27 Raphaël Danchin , Piotr Boguslaw Mucha

We consider the Navier--Stokes equations in a half-plane with a drift term parallel to the boundary and a small source term of compact support. We provide detailed information on the behavior of the velocity and the vorticity at infinity in…

Mathematical Physics · Physics 2012-04-23 Christoph Boeckle , Peter Wittwer

In this work, we consider the incompressible generalized Navier-Stokes-Voigt equations in a bounded domain $\mathcal{O}\subset\mathbb{R}^d$, $d\geq 2$, driven by a multiplicative Gaussian noise. The considered momentum equation is given by:…

Probability · Mathematics 2024-03-14 Ankit Kumar , Hermenegildo Borges de Oliveira , Manil T. Mohan