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A generalized Cahn-Hilliard model in a bounded interval of the real line with no-flux boundary conditions is considered. The label "generalized" refers to the fact that we consider a concentration dependent mobility, the $p$-Laplace…

偏微分方程分析 · 数学 2024-05-20 Raffaele Folino , Luis Fernando Lopez Rios , Marta Strani

This article is concerned with a gradient-flow approach to a Cahn-Hilliard model for viscoelastic phase separation introduced by Zhou et al. (Phys. Rev. E, 2006) in its variant with constant mobility. By means of time-incremental…

偏微分方程分析 · 数学 2025-08-22 Moritz Immanuel Gau , Katharina Hopf

The Cahn-Hilliard equation is a fundamental model that describes the phase separation process in multi-component mixtures. It has been successfully extended to many different contexts in several scientific fields. In this survey article, we…

偏微分方程分析 · 数学 2022-06-22 Hao Wu

We consider a diffuse interface model of tumor growth proposed by A.~Hawkins-Daruud et al. This model consists of the Cahn-Hilliard equation for the tumor cell fraction $\varphi$ nonlinearly coupled with a reaction-diffusion equation for…

偏微分方程分析 · 数学 2014-12-05 Sergio Frigeri , Maurizio Grasselli , Elisabetta Rocca

We consider a phase-field system modelling solid tumour growth. This system consists of a Cahn-Hilliard equation coupled with a nutrient equation. The former is characterised by a degenerate mobility and a singular potential. Both equations…

偏微分方程分析 · 数学 2025-12-18 Cecilia Cavaterra , Matteo Fornoni , Maurizio Grasselli , Benoît Perthame

We study the well-posedness of a modified degenerate Cahn-Hilliard type model for surface diffusion. With degenerate phase-dependent diffusion mobility and additional stabilizing function, this model is able to give the correct sharp…

偏微分方程分析 · 数学 2022-04-19 Xiaohua Niu , Yang Xiang , Xiaodong Yan

We consider a diffuse interface model for tumor growth recently proposed in [Y. Chen, S.M. Wise, V.B. Shenoy, J.S. Lowengrub, A stable scheme for a nonlinear, multiphase tumor growth model with an elastic membrane, Int. J. Numer. Methods…

偏微分方程分析 · 数学 2015-07-29 Mimi Dai , Eduard Feireisl , Elisabetta Rocca , Giulio Schimperna , Maria Schonbek

The Cahn-Hilliard system has been used to describe a wide number of phase separation processes, from co-polymer systems to lipid membranes. In this work the convergence properties of a closest-point based scheme is investigated. In place of…

数值分析 · 数学 2017-02-28 Prerna Gera , David Salac

We study the asymptotic limit of the Cahn-Hilliard equation on an evolving surface with prescribed velocity. The method of formally matched asymptotic expansions is extended to account for the movement of the domain. We consider various…

偏微分方程分析 · 数学 2016-07-20 David O'Connor , Bjorn Stinner

We consider Cahn-Hilliard equations with external forcing terms. Energy decreasing and mass conservation might not hold. We show that level surfaces of the solutions of such generalized Cahn-Hilliard equations tend to the solutions of a…

偏微分方程分析 · 数学 2013-01-08 D. C. Antonopoulou , G. D. Karali , E. Orlandi

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

We introduce a new phase field model for tumour growth where viscoelastic effects are taken into account. The model is derived from basic thermodynamical principles and consists of a convected Cahn--Hilliard equation with source terms for…

数值分析 · 数学 2024-06-21 Harald Garcke , Balázs Kovács , Dennis Trautwein

The formal sharp-interface asymptotics in a degenerate Cahn-Hilliard model for viscoelastic phase separation with cross-diffusive coupling to a bulk stress variable are shown to lead to non-local lower-order counterparts of the classical…

偏微分方程分析 · 数学 2026-05-22 Katharina Hopf , John King , Andreas Münch , Barbara Wagner

This paper provides a unified mathematical analysis of a family of non-local diffuse interface models for tumor growth describing evolutions driven by long-range interactions. These integro-partial differential equations model cell-to-cell…

偏微分方程分析 · 数学 2021-07-07 Luca Scarpa , Andrea Signori

We show short-time well-posedness of 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 2026-05-01 Helmut Abels , Jonas Haselböck

In the recent paper `Well-posedness and regularity for a generalized fractional Cahn-Hilliard system' (arXiv:1804.11290) by the same authors, general well-posedness results have been established for a a class of evolutionary systems of two…

偏微分方程分析 · 数学 2018-10-23 Pierluigi Colli , Gianni Gilardi , Jürgen Sprekels

In this paper, we study a system of three evolutionary operator equations involving fractional powers of selfadjoint, monotone, unbounded, linear operators having compact resolvents. This system constitutes a generalized and relaxed version…

偏微分方程分析 · 数学 2019-08-29 Pierluigi Colli , Gianni Gilardi , Jürgen Sprekels

In this work, the sharp interface limit of the degenerate Cahn-Hilliard equation (in two space dimensions) with a polynomial double well free energy and a quadratic mobility is derived via a matched asymptotic analysis involving…

数学物理 · 物理学 2015-07-10 Alpha Albert Lee , Andreas Münch , Endre Süli

Using basic thermodynamic principles we derive a Cahn--Hilliard--Darcy model for tumour growth including nutrient diffusion, chemotaxis, active transport, adhesion, apoptosis and proliferation. The model generalises earlier models and in…

偏微分方程分析 · 数学 2016-06-06 Harald Garcke , Kei Fong Lam , Emanuel Sitka , Vanessa Styles

We present a 2D parallel implementation of the modified Cahn-Hilliard equation for the simulation of a biofilm in an aqueous enviroment. Biofilms are attached microbial communities made of many different components and can have both…