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In this paper we study the two-dimensional multiphase Muskat problem describing the motion of three immiscible fluids with general viscosities in a vertical homogeneous porous medium under the influence of gravity. Employing Rellich type…

Analysis of PDEs · Mathematics 2022-02-25 Jonas Bierler , Bogdan-Vasile Matioc

In this paper we consider the Muskat problem describing the motion of two unbounded immiscible fluid layers with equal viscosities in vertical or horizontal two-dimensional geometries. We first prove that the mathematical model can be…

Analysis of PDEs · Mathematics 2018-10-10 Bogdan-Vasile Matioc

The Muskat problem models the filtration of two incompressible immiscible fluids of different characteristics in porous media. In this paper, we consider both the 2D and 3D setting of two fluids of different constant densities and different…

Analysis of PDEs · Mathematics 2019-05-02 Francisco Gancedo , Eduardo Garcia-Juarez , Neel Patel , Robert M. Strain

We study the Muskat problem, which describes the motion of two immiscible, incompressible fluids in a homogeneous porous medium occupying the full space ${\mathbb{R}^{N+1}}$, $N \geq 2$, driven by gravity. The interface between the fluids…

Analysis of PDEs · Mathematics 2026-02-11 Bogdan-Vasile Matioc , Georg Prokert

We study the dynamics of the interface between two incompressible fluids in a two-dimensional porous medium whose flow is modeled by the Muskat equations. For the two-phase Muskat problem, we establish global well-posedness and decay to…

Analysis of PDEs · Mathematics 2016-08-10 C. H. Arthur Cheng , Rafael Granero-Belinchón , Steve Shkoller

The inhomogeneous Muskat problem models the dynamics of an interface between two fluids of differing characteristics inside a non-uniform porous medium. We consider the case of a porous media with a permeability jump across a horizontal…

Analysis of PDEs · Mathematics 2021-10-05 Neel Patel , Nikhil Shankar

We consider the Muskat problem describing the viscous displacement in a two-phase fluid system located in an unbounded two-dimensional porous medium or Hele-Shaw cell. After formulating the mathematical model as an evolution problem for the…

Analysis of PDEs · Mathematics 2017-11-17 Bogdan-Vasile Matioc

In this paper, we study the dynamics of a two-dimensional viscous fluid evolving through a porous medium or a Hele-Shaw cell, driven by gravity and surface tension. A key feature of this study is that the fluid is confined within a vessel…

Analysis of PDEs · Mathematics 2026-04-09 Edoardo Bocchi , Ángel Castro , Francisco Gancedo

The free boundary problem for a two-dimensional fluid filtered in porous media is studied. This is known as the one-phase Muskat problem and is mathematically equivalent to the vertical Hele-Shaw problem driven by gravity force. We prove…

Analysis of PDEs · Mathematics 2021-03-05 Hongjie Dong , Francisco Gancedo , Huy Q. Nguyen

This paper studies the one-phase Muskat problem driven by gravity and surface tension. The regime considered here is unstable with the fluid on top of a dry region. By a novel approach using a depth-averaged formulation, we derive two…

Analysis of PDEs · Mathematics 2023-04-05 Edoardo Bocchi , Francisco Gancedo

In this paper we consider the evolution of two fluid phases in a porous medium. The fluids are separated from each other and also the wetting phase from air by interfaces which evolve in time. We reduce the problem to an abstract evolution…

Analysis of PDEs · Mathematics 2010-05-17 Joachim Escher , Anca-Voichita Matioc , Bogdan-Vasile Matioc

We prove local well-posedness for the Muskat problem on the half-plane, which models motion of an interface between two fluids of distinct densities (e.g., oil and water) in a porous medium (e.g., an aquifer) that sits atop an impermeable…

Analysis of PDEs · Mathematics 2024-10-17 Andrej Zlatos

We consider the fluid interface problem given by two incompressible fluids with different densities evolving by Darcy's law. This scenario is known as the Muskat problem for fluids with the same viscosities, being in two dimensions…

Analysis of PDEs · Mathematics 2009-11-13 Diego Cordoba , Francisco Gancedo

We study the Muskat problem on the half-plane, which models motion of an interface between two fluids of distinct densities (e.g., oil and water) in a porous medium (e.g., an aquifer) that sits atop an impermeable layer (e.g., bedrock).…

Analysis of PDEs · Mathematics 2024-10-17 Andrej Zlatos

The Muskat problem, in its general setting, concerns the interface evolution between two incompressible fluids of different densities and viscosities in porous media. The interface motion is driven by gravity and capillarity forces, where…

Analysis of PDEs · Mathematics 2021-02-24 Patrick T. Flynn , Huy Q. Nguyen

In the last decades, significant progress has been made in understanding the multiphase displacement through porous media with homogeneous wettability and its relation to the pore geometry. However, the role of wettability at the scale of…

Soft Condensed Matter · Physics 2012-06-01 Marta S. de La Lama , Martin Brinkmann

In this paper, we study the dynamics of fluids in porous media governed by Darcy's law: the Muskat problem. We consider the setting of two immiscible fluids of different densities and viscosities under the influence of gravity in which one…

Analysis of PDEs · Mathematics 2021-06-07 Francisco Gancedo , Eduardo Garcia-Juarez , Neel Patel , Robert Strain

In this work we study the inhomogeneous Muskat problem, \emph{i.e.} the evolution of an internal wave between two different fluids in a porous medium with discontinuous permeability. In particular, under precise conditions on the initial…

Analysis of PDEs · Mathematics 2022-08-31 Diego Alonso-Orán , Rafael Granero-Belinchón

We study the evolution of the interface given by two incompressible fluids with different densities in the porous strip $\RR\times[-l,l]$. This problem is known as the Muskat problem and is analogous to the two phase Hele-Shaw cell. The…

Analysis of PDEs · Mathematics 2013-01-21 Diego Córdoba Gazolaz , Rafael Granero-Belinchón , Rafael Orive Illera

We consider the evolution of two incompressible, immiscible fluids with different densities in porous media, known as the Muskat problem [21], which in two dimensions is analogous to the Hele-Shaw cell [26]. We establish, for a class of…

Analysis of PDEs · Mathematics 2016-09-27 Fan Deng , Zhen Lei , Fanghua Lin
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