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In this work, we study the global existence of strong solutions and large-time behavior of a two-phase fluid model in a bounded domain. The model consists of the isothermal Euler equations and the isentropic compressible Navier--Stokes…

偏微分方程分析 · 数学 2021-01-01 Jinwook Jung

We consider a coupled system of Navier-Stokes and Nernst-Planck equations, describing the evolution of the velocity and the concentration fields of dissolved constituents in an electrolyte solution. Motivated by recent applications in the…

偏微分方程分析 · 数学 2012-06-12 Dieter Bothe , André Fischer , Jürgen Saal

The aim of this paper is to prove global in time existence of weak solutions for a viscoelastic phase separation. We consider the case with singular potentials and degenerate mobilities. Our model couples the diffusive interface model with…

偏微分方程分析 · 数学 2022-08-31 Aaron Brunk , Maria Lukacova-Medvidova

The construction of weak solutions to compressible Navier-Stokes equations via a numerical method (including a rigorous proof of the convergence) is in a short supply, and so far, available only for one sole numerical scheme suggested in…

数值分析 · 数学 2020-07-06 Young-Sam Kwon , Antonin Novotny

We investigate the existence of weak solutions to a certain system of partial differential equations, modelling the behaviour of a compressible non-Newtonian fluid for small Reynolds number. We construct the weak solutions despite the lack…

偏微分方程分析 · 数学 2023-05-24 Milan Pokorný , Maja Szlenk

We study a quasi-incompressible Navier--Stokes/Cahn--Hilliard coupled system which describes the motion of two macroscopically immiscible incompressible viscous fluids with partial mixing in a small interfacial region and long-range…

偏微分方程分析 · 数学 2025-08-12 Mingwen Fei , Xiang Fei , Daozhi Han , Yadong Liu

We prove the global-in-time existence of large-data finite-energy weak solutions to an incompressible hybrid Vlasov-magnetohydrodynamic model in three space dimensions. The model couples three essential ingredients of magnetized plasmas: a…

偏微分方程分析 · 数学 2017-07-05 Bin Cheng , Endre Süli , Cesare Tronci

A well-known diffuse interface model for incompressible isothermal mixtures of two immiscible fluids consists of the Navier-Stokes system coupled with a convective Cahn-Hilliard equation. In some recent contributions the standard…

偏微分方程分析 · 数学 2013-01-14 Sergio Frigeri , Maurizio Grasselli , Pavel Krejčí

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

In this note, by constructing suitable approximate solutions, we prove the existence of global weak solutions to the compressible Navier-Stokes equations with density-dependent viscosity coefficients in the whole space $\mathbb{R}^N$,…

偏微分方程分析 · 数学 2007-12-28 Ting Zhang , Daoyuan Fang

The chemotaxis-Navier-Stokes system linking the chemotaxis equations \[ n_t + u\cdot\nabla n = \Delta n - \nabla \cdot (n\chi(c)\nabla c) \] and \[ c_t + u\cdot\nabla c = \Delta c-nf(c) \] to the incompressible Navier-Stokes equations, \[…

偏微分方程分析 · 数学 2015-06-23 Michael Winkler

We prove the global existence of weak solutions of the one-dimensional Navier-Stokes-Korteweg (NSK) equations when the viscosity and the capillarity coefficients are power functions of the density, which may be zero on a set with positive…

偏微分方程分析 · 数学 2025-02-25 Paolo Antonelli , Didier Bresch , Stefano Spirito

We consider a coupled system consisting of the Navier-Stokes equations and a porous medium type of Keller-Segel system that model the motion of swimming bacteria living in fluid and consuming oxygen. We establish the global-in-time…

偏微分方程分析 · 数学 2016-05-04 Yun-Sung Chung , Kyungkeun Kang

We prove the existence of global weak solutions with finite energy to some two-fluid systems with magnetic field and the results suit for corresponding two-fluid systems. The proof method is mainly inspired by Novotn\'y et al. and Vasseur…

偏微分方程分析 · 数学 2021-11-09 Lin Ma , Boling Guo , Jie Shao

Convergence of particle systems to the Vlasov-Navier-Stokes equations is a difficult topic with only fragmentary results. Under a suitable modification of the classical Stokes drag force interaction, here a partial result in this direction…

概率论 · 数学 2018-07-31 Franco Flandoli , Marta Leocata , Cristiano Ricci

We prove the global-in-time existence of nonnegative weak solutions to a class of fourth order partial differential equations on a convex bounded domain in arbitrary spatial dimensions. Our proof relies on the formal gradient flow structure…

偏微分方程分析 · 数学 2015-07-21 Daniel Loibl , Daniel Matthes , Jonathan Zinsl

In this paper we study a vanishing pressure process for highly compressible Navier-Stokes equations as the Mach number tends to infinity. We first prove the global existence of weak solutions for the pressureless system in the framework…

偏微分方程分析 · 数学 2017-11-22 Zhilei Liang

The existence of large-data weak solutions to a steady compressible Navier-Stokes-Fourier system for chemically reacting fluid mixtures is proved. General free energies are considered satisfying some structural assumptions, with a pressure…

偏微分方程分析 · 数学 2024-06-19 Miroslav Buliček , Ansgar Jüngel , Milan Pokorný , Nicola Zamponi

The existence of global nonnegative weak solutions is proved for coupled one-dimensional lubrication systems that describe the evolution of nanoscopic bilayer thin polymer films that take account of Navier-slip or no-slip conditions at both…

偏微分方程分析 · 数学 2012-11-12 Sebastian Jachalski , Georgy Kitavtsev , Roman Taranets

In the spirit of D. Hoff's weak solution theory for the compressible Navier-Stokes equations (CNS) with bounded density, in this paper we establish the global existence and regularity properties of finite-energy weak solutions to an initial…

偏微分方程分析 · 数学 2025-09-03 Jin Tan , Yan-Lin Wang , Lan Zhang