中文
相关论文

相关论文: Optimal distributed control of a diffuse interface…

200 篇论文

We consider a mathematical model for the evolutionary dynamics of tumour cells in vascularised tumours under chemotherapy. The model comprises a system of coupled partial integro-differential equations for the phenotypic distribution of…

组织与器官 · 定量生物学 2020-06-02 Chiara Villa , Mark A. J. Chaplain , Tommaso Lorenzi

In this work, we present a coupled 3D-1D model of solid tumor growth within a dynamically changing vascular network to facilitate realistic simulations of angiogenesis. Additionally, the model includes erosion of the extracellular matrix,…

组织与器官 · 定量生物学 2021-06-23 Marvin Fritz , Prashant K. Jha , Tobias Köppl , J. Tinsley Oden , Andreas Wagner , Barbara Wohlmuth

Accurately visualizing and editing tumor progression in medical imaging is crucial for diagnosis, treatment planning, and clinical communication. To address the challenges of subjectivity and limited precision in existing methods, we…

图像与视频处理 · 电气工程与系统科学 2025-03-11 Gexin Huang , Ruinan Jin , Yucheng Tang , Can Zhao , Tatsuya Harada , Xiaoxiao Li , Gu Lin

We consider an evolutionary PDE system coupling the Cahn-Hilliard equation with singular potential, mass source and transport effects, to a Brinkman-type relation for the macroscopic velocity field and to a further equation describing the…

偏微分方程分析 · 数学 2024-11-20 Giulio Schimperna

At the continuous level, we consider two types of tumor growth models: the cell density model, which is based on the fluid mechanical construction, is more favorable for scientific interpretation and numerical simulations; and the free…

偏微分方程分析 · 数学 2019-10-28 Jian-Guo Liu , Min Tang , Li Wang , Zhennan Zhou

In this paper, we study the tumor growth equation along with various models for the nutrient component, including the \emph{in vitro} model and the \emph{in vivo} model. At the cell density level, the spatial availability of the tumor…

偏微分方程分析 · 数学 2018-02-05 Jian-Guo Liu , Min Tang , Li Wang , Zhennan Zhou

In this paper we study a distributed optimal control problem for a nonlocal convective Cahn--Hilliard equation with degenerate mobility and singular potential in three dimensions of space. While the cost functional is of standard tracking…

偏微分方程分析 · 数学 2014-09-26 Elisabetta Rocca , Juergen Sprekels

In this paper, we investigate a distributed optimal control problem for a convective viscous Cahn-Hilliard system with dynamic boundary conditions. Such systems govern phase separation processes between two phases taking place in an…

偏微分方程分析 · 数学 2017-09-13 Pierluigi Colli , Gianni Gilardi , Jürgen Sprekels

Recent advancements in diffusion models and diffusion bridges primarily focus on finite-dimensional spaces, yet many real-world problems necessitate operations in infinite-dimensional function spaces for more natural and interpretable…

机器学习 · 计算机科学 2025-03-03 Byoungwoo Park , Jungwon Choi , Sungbin Lim , Juho Lee

We consider a controlled reaction-diffusion equation, motivated by a pest eradication problem. Our goal is to derive a simpler model, describing the controlled evolution of a contaminated set. In this direction, the first part of the paper…

最优化与控制 · 数学 2021-08-24 Alberto Bressan , Maria Teresa Chiri , Najmeh Salehi

In this paper, we studied phase-space analysis of a certain mathematical model of tumor growth with an immune responses and chemotherapy therapy. Mathematical modelling of this process is viewed as a potentially powerful tool in the…

动力系统 · 数学 2018-03-15 Veli Shakhmurov , Akif Maharramov , Bunyad Shahmurzada

In this paper, a reaction-diffusion system modeling injection of a chemotherapeutic drug on the surface of a living tissue during a treatment for cancer patients is studied. The system describes the interaction of the chemotherapeutic drug…

偏微分方程分析 · 数学 2024-08-20 Jeff Morgan , Bao Quoc Tang , Hong-Ming Yin

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

This paper addresses the distributed optimal frequency control of power systems considering a network-preserving model with nonlinear power flows and excitation voltage dynamics. Salient features of the proposed distributed control strategy…

系统与控制 · 计算机科学 2018-02-14 Zhaojian Wang , Feng Liu , John Z. F. Pang , Steven Low , Shengwei Mei

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

Motivated by an ongoing collaboration with clinical oncologists and pathologists, we develop a hybrid partial differential equation--ordinary differential equation (PDE--ODE) framework that captures (i) competition between susceptible and…

偏微分方程分析 · 数学 2026-01-26 Jiguang Yu , Louis Shuo Wang , Zonghao Liu , Jingfeng Liu

We investigate a multiphase Cahn-Hilliard model for tumor growth with general source terms. The multiphase approach allows us to consider multiple cell types and multiple chemical species (oxygen and/or nutrients) that are consumed by the…

偏微分方程分析 · 数学 2022-06-22 Patrik Knopf , Andrea Signori

In a previous paper we have introduced a phenomenological model of cell metabolism and of the cell cycle to simulate the behavior of large tumor cell populations (Chignola R and Milotti E, Phys. Biol. 2 (2005) 8-22). Here we describe a…

生物物理 · 物理学 2009-11-13 Roberto Chignola , Alessio Del Fabbro , Chiara Dalla Pellegrina , Edoardo Milotti

This work presents a new mathematical model to depict the effect of obesity on cancerous tumor growth when chemotherapy as well as immunotherapy have been administered. We consider an optimal control problem to destroy the tumor population…

最优化与控制 · 数学 2018-12-26 Tuğba Akman Yıldız , Sadia Arshad , Dumitru Baleanu

We address an optimal control problem governed by a system coupling a Brinkman-type momentum equation for the velocity field with a sixth-order Cahn-Hilliard equation for the phase variable, incorporating curvature effects in the free…

最优化与控制 · 数学 2026-01-12 Pierluigi Colli , Gianni Gilardi , Andrea Signori , Jürgen Sprekels