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相关论文: A Cahn-Hilliard equation with singular diffusion

200 篇论文

We present an approximate analytical solution of the Cahn-Hilliard equation describing the coalescence during a first order phase transition. We have identified all the intermediate profiles, stationary solutions of the noiseless…

其他凝聚态物理 · 物理学 2009-11-10 Simon Villain-Guillot

An advective Cahn-Hilliard model motivated by thin film formation is studied in this paper. The one-dimensional evolution equation under consideration includes a transport term, whose presence prevents from identifying a gradient flow…

偏微分方程分析 · 数学 2018-09-21 Marco Bonacini , Elisa Davoli , Marco Morandotti

The Cahn--Hilliard equation with anisotropic energy contributions frequently appears in many physical systems. Systematic analytical results for the case with the relevant logarithmic free energy have been missing so far. We close this gap…

偏微分方程分析 · 数学 2023-12-08 Harald Garcke , Patrik Knopf , Julia Wittmann

We study a phase field model proposed recently in the context of tumour growth. The model couples a Cahn-Hilliard-Brinkman (CHB) system with a elliptic reaction-diffusion equation for a nutrient. The fluid velocity, governed by the Brinkman…

偏微分方程分析 · 数学 2019-09-06 Matthias Ebenbeck , Kei Fong Lam

The Functionalized Cahn-Hilliard equation has been proposed as a model for the interfacial energy of phase-separated mixtures of amphiphilic molecules. We study the existence of a nonnegative weak solutions of a gradient flow of the…

偏微分方程分析 · 数学 2023-10-09 Shibin Dai , Qiang Liu , Toai Luong , Keith Promislow

We consider a diffuse interface model which describes the motion of an incompressible isothermal mixture of two immiscible fluids. This model consists of the Navier-Stokes equations coupled with a convective nonlocal Cahn-Hilliard equation.…

偏微分方程分析 · 数学 2015-09-11 Sergio Frigeri , Ciprian G. Gal , Maurizio Grasselli

We study a bulk-surface Cahn--Hilliard model with non-degenerate mobility and singular potentials in two dimensions. Following the ideas of the recent work by Conti, Galimberti, Gatti, and Giorgini [Calc. Var. Partial Differential…

偏微分方程分析 · 数学 2026-03-05 Jonas Stange

This work explores the solvability of a sixth-order Cahn--Hilliard equation with an inertial term, which serves as a relaxation of a higher-order variant of the classical Cahn--Hilliard equation. The equation includes a source term that…

偏微分方程分析 · 数学 2025-04-14 Pierluigi Colli , Gianni Gilardi

This paper is concerned with well-posedness of the Cahn-Hilliard equation subject to a class of new dynamic boundary conditions. The system was recently derived in Liu-Wu (Arch. Ration. Mech. Anal. 233 (2019), 167-247) via an energetic…

偏微分方程分析 · 数学 2023-07-28 Pierluigi Colli , Takeshi Fukao , Hao Wu

A thermodynamically consistent framework able to model either diffusive and displacive phase transitions is proposed. The first law of thermodynamics, the balance of linear momentum equation and the Cahn-Hilliard equation for solute mass…

材料科学 · 物理学 2015-03-17 Mirko Maraldi , Luisa Molari , Diego Grandi

In this paper we devise and analyze a mixed finite element method for a modified Cahn-Hilliard equation coupled with a non-steady Darcy-Stokes flow that models phase separation and coupled fluid flow in immiscible binary fluids and diblock…

数值分析 · 数学 2013-12-24 Amanda E. Diegel , Xiaobing H. Feng , Steven M. Wise

A common paradigm in phase-field models with singular potentials is that global-in-time weak solutions converge to a single equilibrium only after undergoing asymptotic regularization. However, in arXiv:2510.17296 we introduced a novel…

偏微分方程分析 · 数学 2026-04-01 Maurizio Grasselli , Andrea Poiatti

We consider a relaxation of the viscous Cahn-Hilliard equation induced by the second-order inertial term~$u_{tt}$. The equation also contains a semilinear term $f(u)$ of "singular" type. Namely, the function $f$ is defined only on a bounded…

偏微分方程分析 · 数学 2016-04-20 Riccardo Scala , Giulio Schimperna

To describe highly heterogeneous systems using the Cahn-Hilliard equation, the standard form of the thermodynamic potential with a constant coefficient in the gradient term and a polynomial of the fourth degree may not be sufficient. The…

材料科学 · 物理学 2025-01-20 P. O. Mchedlov-Petrosyan , L. N. Davydov , O. A. Osmaev

A well-known diffuse interface model consists of the Navier-Stokes equations nonlinearly coupled with a convective Cahn-Hilliard type equation. This system describes the evolution of an incompressible isothermal mixture of binary-fluids and…

偏微分方程分析 · 数学 2011-02-22 Pierluigi Colli , Sergio Frigeri , Maurizio Grasselli

A system with equation and dynamic boundary condition of Cahn-Hilliard type is considered. This system comes from a derivation performed in Liu-Wu (Arch. Ration. Mech. Anal. 233 (2019), 167--247) via an energetic variational approach.…

偏微分方程分析 · 数学 2022-08-02 Pierluigi Colli , Takeshi Fukao , Luca Scarpa

Condition imposed on the nonlinear terms of a nonlinear diffusion equation with {R}obin boundary condition is the main focus of this paper. The degenerate parabolic equations, such as the {S}tefan problem, the {H}ele--{S}haw problem, the…

偏微分方程分析 · 数学 2018-02-09 Taishi Motoda , Takeshi Fukao

This paper presents a mathematical analysis of the evolution of a mixture of two incompressible, isothermal fluids flowing through a porous medium in a three dimensional bounded domain. The model is governed by a coupled system of…

偏微分方程分析 · 数学 2024-10-18 Manika Bag , Sheetal Dharmatti , Manil T Mohan

This paper introduces a stabilized finite element scheme for the Cahn--Hilliard cross-diffusion model, which is characterized by strongly coupled mobilities, nonlinear diffusion, and complex cross-diffusion terms. These features pose…

数值分析 · 数学 2025-05-08 Boyi Wang , Naresh Kumar , Jinyun Yuan

We prove existence of weak solutions to a diffuse interface model describing the flow of a fluid through a deformable porous medium consisting of two phases. The system non-linearly couples Biot's equations for poroelasticity, including…

偏微分方程分析 · 数学 2024-08-27 Helmut Abels , Harald Garcke , Jonas Haselböck