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In this note, we study the optimal control of a nonisothermal phase field system of Cahn-Hilliard type that constitutes an extension of the classical Caginalp model for nonisothermal phase transitions with a conserved order parameter. It…

Optimization and Control · Mathematics 2023-03-24 Pierluigi Colli , Gianni Gilardi , Andrea Signori , 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…

Analysis of PDEs · Mathematics 2023-12-15 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels

A nonlinear extension of the Caginalp phase field system is considered that takes thermal memory into account. The resulting model, which is a first-order approximation of a thermodynamically consistent system, is inspired by the theories…

Optimization and Control · Mathematics 2021-07-22 Pierluigi Colli , Andrea Signori , Jürgen Sprekels

In this paper, we investigate optimal control problems for a nonlinear state system which constitutes a version of the Caginalp phase field system modeling nonisothermal phase transitions with a nonconserved order parameter that takes…

Optimization and Control · Mathematics 2022-07-28 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels

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…

Analysis of PDEs · Mathematics 2025-05-28 Pierluigi Colli , Shunsuke Kurima

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…

Optimization and Control · Mathematics 2026-05-05 Giulia Cavalleri , Pierluigi Colli , Elisabetta Rocca

We introduce a nonisothermal phase-field system of Caginalp type that describes tumor growth under hyperthermia. The model couples a possibly viscous Cahn-Hilliard equation, governing the evolution of the healthy and tumor phases, with an…

Analysis of PDEs · Mathematics 2025-10-13 Giulia Cavalleri , Pierluigi Colli , Elisabetta Rocca

In this paper we study the optimal control of an initial-boundary value problem for the classical nonviscous Cahn-Hilliard system with zero Neumann boundary conditions. Phase field systems of this type govern the evolution of diffusive…

Optimization and Control · Mathematics 2024-06-12 Pierluigi Colli , Jürgen Sprekels

We study a system describing the dynamics of a two-phase flow of incompressible viscous fluids influenced by the convective heat transfer of Caginalp-type. The separation of the fluids is expressed by the order parameter which is of diffuse…

Analysis of PDEs · Mathematics 2023-08-15 Šárka Nečasová , John Sebastian H. Simon

This paper is concerned with a distributed optimal control problem for a nonlocal phase field model of Cahn-Hilliard type, which is a nonlocal version of a model for two-species phase segregation on an atomic lattice under the presence of…

Analysis of PDEs · Mathematics 2016-07-08 Pierluigi Colli , Gianni Gilardi , Jürgen Sprekels

We investigate a distributed optimal control problem for a phase field model of Cahn-Hilliard type. The model describes two-species phase segregation on an atomic lattice under the presence of diffusion; it has been recently introduced by…

Analysis of PDEs · Mathematics 2015-05-28 Pierluigi Colli , Gianni Gilardi , Paolo Podio-Guidugli , Jürgen Sprekels

In this paper we study a distributed control problem for a phase-field system of conserved type with a possibly singular potential. We mainly handle two cases: the case of a viscous Cahn-Hilliard type dynamics for the phase variable in case…

Analysis of PDEs · Mathematics 2017-09-12 P. Colli , G. Gilardi , G. Marinoschi , E. Rocca

This paper is concerned with a non-isothermal Cahn-Hilliard model based on a microforce balance. The model was derived by A. Miranville and G. Schimperna starting from the two fundamental laws of Thermodynamics, following M. Gurtin's…

Analysis of PDEs · Mathematics 2020-04-07 Alice Marveggio , Giulio Schimperna

In this work, we address some optimal control problems related to the evolution of two isothermal, incompressible, immisible fluids in a two dimensional bounded domain. A distributed optimal control problem is formulated as the minimization…

Optimization and Control · Mathematics 2019-02-19 Tania Biswas , Sheetal Dharmatti , Manil T Mohan

We study some optimal control problems associated to the evolution of two isothermal, incompressible, immisible fluids in a two-dimensional bounded domain. The Cahn- Hilliard-Navier-Stokes model consists of a Navier-Stokes equation…

Analysis of PDEs · Mathematics 2019-03-20 Tania Biswas , Sheetal Dharmatti , Manil T Mohan

We consider a differential model describing nonisothermal fast phase separation processes taking place in a three-dimensional bounded domain. This model consists of a viscous Cahn-Hilliard equation characterized by the presence of an…

Analysis of PDEs · Mathematics 2007-05-23 Maurizio Grasselli , Hana Petzeltova , Giulio Schimperna

In this work, we investigate optimal control of a Brinkman equation couple with sixth-order Cahn-Hilliard equation. The Cahn-Hilliard equation is endowed with a source term accounting for mass exchange and the velocity equation contains a…

Optimization and Control · Mathematics 2025-12-09 Manika Bag

The space fractional Cahn-Hilliard phase-field model is more adequate and accurate in the description of the formation and phase change mechanism than the classical Cahn-Hilliard model. In this article, we propose a temporal second-order…

Numerical Analysis · Mathematics 2021-05-13 Yong-Liang Zhao , Meng Li , Alexander Ostermann , Xian-Ming Gu

In this paper we study the optimal control of a parabolic initial-boundary value problem of viscous Cahn-Hilliard type with zero Neumann boundary conditions. Phase field systems of this type govern the evolution of diffusive phase…

Optimization and Control · Mathematics 2024-09-20 Pierluigi Colli , Jürgen Sprekels , Fredi Tröltzsch

This work investigates the well-posedness and optimal control of a sixth-order Cahn-Hilliard equation, a higher-order variant of the celebrated and well-established Cahn-Hilliard equation. The equation is endowed with a source term, where…

Analysis of PDEs · Mathematics 2024-05-01 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels
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