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We analyze a diffuse interface model for multi-phase flows of $N$ incompressible, viscous Newtonian fluids with different densities. In the case of a bounded and sufficiently smooth domain existence of weak solutions in two and three space…

偏微分方程分析 · 数学 2024-01-15 Helmut Abels , Harald Garcke , Andrea Poiatti

We prove existence of weak solutions for a diffuse interface model for the flow of two viscous incompressible Newtonian fluids in a bounded domain in two and three space dimensions. In contrast to previous works, we study a new model…

偏微分方程分析 · 数学 2015-06-03 Helmut Abels , Daniel Depner , Harald Garcke

We consider weak solutions for a diffuse interface model of two non-Newtonian viscous, incompressible fluids of power-law type in the case of different densities in a bounded, sufficiently smooth domain. This leads to a coupled system of a…

偏微分方程分析 · 数学 2017-01-03 Helmut Abels , Dominic Breit

Two-phase flow of two Newtonian incompressible viscous fluids with a soluble surfactant and different densities of the fluids can be modeled within the diffuse interface approach. We consider a Navier-Stokes/Cahn-Hilliard type system…

偏微分方程分析 · 数学 2017-10-10 Helmut Abels , Harald Garcke , Josef Weber

We consider a thermodynamically consistent diffuse interface model describing two-phase flows of incompressible fluids in a non-isothermal setting. This model was recently introduced in a previous paper of ours, where we proved existence of…

偏微分方程分析 · 数学 2014-06-09 Michela Eleuteri , Elisabetta Rocca , Giulio Schimperna

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 consider the flow of two incompressible, viscous and immiscible fluids in a bounded domain, with different densities and viscosities. This model consists of a coupled system of Navier-Stokes and Mullins-Sekerka type parts,…

偏微分方程分析 · 数学 2025-05-13 Helmut Abels , Andrea Poiatti

The evolution of two partially miscible, nonhomogeneous, incompressible viscous fluids of non-Newtonian type, can be governed by the Navier-Stokes-Cahn-Hilliard system. In the present work, we prove the global existence of weak solutions…

偏微分方程分析 · 数学 2025-12-25 Fang Li , Duan Xingyu , Guo Zhenhua

We prove convergence of suitable subsequences of weak solutions of a diffuse interface model for the two-phase flow of incompressible fluids with different densities with a nonlocal Cahn-Hilliard equation to weak solutions of the…

偏微分方程分析 · 数学 2022-01-19 Helmut Abels , Yutaka Terasawa

We study a diffuse interface model for the flow of two viscous incompressible Newtonian fluids in a bounded domain. The fluids are assumed to be macroscopically immiscible, but a partial mixing in a small interfacial region is assumed in…

偏微分方程分析 · 数学 2011-04-01 Helmut Abels

This paper concerns a diffuse interface model for the flow of two incompressible viscoelastic fluids in a bounded domain. More specifically, the fluids are assumed to be macroscopically immiscible, but with a small transition region, where…

偏微分方程分析 · 数学 2024-11-15 Yadong Liu , Dennis Trautwein

We study a thermodynamically consistent diffuse interface model that describes the motion of a two-phase flow of two viscous incompressible Newtonian fluids with unmatched densities and a soluble surfactant in a bounded domain of two or…

偏微分方程分析 · 数学 2026-01-13 Bohan Ouyang , Maurizio Grasselli , Hao Wu

In this article we prove the global existence of weak solutions for a diffuse interface model in a bounded domain (both in 2D and 3D) involving incompressible magnetic fluids with unmatched densities. The model couples the incompressible…

偏微分方程分析 · 数学 2021-06-09 Martin Kalousek , Sourav Mitra , Anja Schlömerkemper

We study a thermodynamically consistent diffuse-interface model that describes the motion of two macroscopically immiscible, incompressible, and viscous Newtonian fluids with unmatched densities. This model is compatible with continuum…

偏微分方程分析 · 数学 2026-04-30 Mingwen Fei , Xiang Fei , Yadong Liu , Hao Wu

This article is devoted to the derivation and analysis of a system of partial differential equations modeling a diffuse interface flow of two Newtonian incompressible magnetic fluids. The system consists of the incompressible Navier-Stokes…

偏微分方程分析 · 数学 2020-04-22 Martin Kalousek , Sourav Mitra , Anja Schlömerkemper

The flow of two macroscopically immiscible, viscous, incompressible fluids with unmatched densities is studied, where a transfer of mass between the constituents by phase transition is taken into account. To this end, two…

偏微分方程分析 · 数学 2025-05-09 Helmut Abels , Harald Garcke , Julia Wittmann

We are concerned with a model describing the motion of two compressible, immiscible fluids with density-dependent viscosity in the whole $\mathbb R^3$. The phases of the flow may have different pressure and viscosity laws and are separated…

偏微分方程分析 · 数学 2025-10-14 Marcel Zodji

We introduce a new sharp interface model for the flow of two immiscible, viscous, incompressible fluids. In contrast to classical models for two-phase flows we prescribe an evolution law for the interfaces that takes diffusional effects…

偏微分方程分析 · 数学 2015-05-13 Helmut Abels , Matthias Röger

We discuss the sharp interface limit of a diffuse interface model for a two-phase flow of two partly miscible viscous Newtonian fluids of different densities, when a certain parameter \epsilon>0 related to the interface thickness tends to…

偏微分方程分析 · 数学 2012-12-24 Helmut Abels , Daniel Lengeler

We consider a phase field model for the flow of two partly miscible incompressible, viscous fluids of Non-Newtonian (power law) type. In the model it is assumed that the densities of the fluids are equal. We prove existence of weak…

偏微分方程分析 · 数学 2013-02-14 Helmut Abels , Lars Diening , Yutaka Terasawa
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