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We study a distributed optimal control problem for a nonisothermal Caginalp-type phase-field model that describes tumour growth under thermal therapy. The PDE system couples a possibly viscous Cahn-Hilliard equation, governing the evolution…

最优化与控制 · 数学 2026-05-05 Giulia Cavalleri , Pierluigi Colli , Elisabetta Rocca

We introduce here a new diffuse interface thermodynamically consistent non-isothermal model for tumor growth in presence of a nutrient in a domain $\Omega \subset \mathbb{R}^3$. In particular our system describes the growth of a tumor…

偏微分方程分析 · 数学 2022-12-19 Erica Ipocoana

We consider a particular phase field system which physical context is that of tumor growth dynamics. The model we deal with consists of a Cahn-Hilliard type equation governing the evolution of the phase variable which takes into account the…

偏微分方程分析 · 数学 2019-08-30 Andrea Signori

We analyze a phase field model for tumor growth consisting of a Cahn-Hilliard-Brinkman system, ruling the evolution of the tumor mass, coupled with an advection-reaction-diffusion equation for a chemical species acting as a nutrient. The…

偏微分方程分析 · 数学 2023-07-26 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels

We introduce a new diffuse interface model for tumour growth in the presence of a nutrient, in which we take into account mechanical effects and reversible tissue damage. The highly nonlinear PDEs system mainly consists of a Cahn-Hilliard…

偏微分方程分析 · 数学 2025-10-09 Giulia Cavalleri

We consider a diffuse interface model for tumor growth consisting of a Cahn--Hilliard equation with source terms coupled to a reaction-diffusion equation, which models a tumor growing in the presence of a nutrient species and surrounded by…

偏微分方程分析 · 数学 2017-05-04 Harald Garcke , Kei Fong Lam

A phase field model for tumour growth is introduced that is based on a Brinkman law for convective velocity fields. The model couples a convective Cahn-Hilliard equation for the evolution of the tumour to a reaction-diffusion-advection…

偏微分方程分析 · 数学 2021-09-07 Matthias Ebenbeck , Harald Garcke , Robert Nürnberg

This paper is concerned with a phase field system of Cahn-Hilliard type that is related to a tumor growth model and consists of three equations in terms of the variables order parameter, chemical potential and nutrient concentration. This…

偏微分方程分析 · 数学 2015-03-04 Pierluigi Colli , Gianni Gilardi , Elisabetta Rocca , Jürgen Sprekels

Mechanical effects have mostly been neglected so far in phase field tumour models that are based on a Cahn-Hilliard approach. In this paper we study a macroscopic mechanical model for tumour growth in which cell-cell adhesion effects are…

偏微分方程分析 · 数学 2021-01-20 Harald Garcke , Kei Fong Lam , Andrea Signori

This paper deals with a conserved phase field system that couples the energy balance equation with a Cahn--Hilliard type system including temperature and the inertial term for the order parameter. In the case without inertial term, the…

偏微分方程分析 · 数学 2025-05-28 Pierluigi Colli , Shunsuke Kurima

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

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

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

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 generalization of a phase field…

偏微分方程分析 · 数学 2019-06-27 Pierluigi Colli , Gianni Gilardi , Jürgen Sprekels

A nonisothermal phase field system of Cahn-Hilliard type is introduced and analyzed mathematically. The system constitutes an extension of the classical Caginalp model for nonisothermal phase transitions with a conserved order parameter. It…

偏微分方程分析 · 数学 2023-12-15 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels

We develop a new four-phase tumor growth model with angiogenesis, derived from a diffuse-interface mixture model composed by a viable, a necrotic, a liquid and an angiogenetic component, coupled with two massless chemicals representing a…

数值分析 · 数学 2022-03-07 Abramo Agosti , Alice Giotta Lucifero , Sabino Luzzi

We consider a diffuse interface model for tumour growth consisting of a Cahn--Hilliard equation with source terms coupled to a reaction-diffusion equation. The coupled system of partial differential equations models a tumour growing in the…

偏微分方程分析 · 数学 2016-05-26 Harald Garcke , Kei Fong Lam

We consider a non-local tumour growth model of phase-field type, describing the evolution of tumour cells through proliferation in presence of a nutrient. The model consists of a coupled system, incorporating a non-local Cahn-Hilliard…

偏微分方程分析 · 数学 2024-07-29 Matteo Fornoni

The paper deals with a phase field system of Cahn-Hilliard type. For positive viscosity coefficients, the authors prove an existence and uniqueness result and study the long time behavior of the solution by assuming the nonlinearities to be…

偏微分方程分析 · 数学 2014-03-24 Pierluigi Colli , Gianni Gilardi , Danielle Hilhorst

In this work, we consider a diffuse interface model for tumour growth in the presence of a nutrient which is consumed by the tumour. The system of equations consists of a Cahn--Hilliard equation with source terms for the tumour cells and a…

数值分析 · 数学 2022-05-09 Harald Garcke , Dennis Trautwein
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