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We investigate the evolution of tumor growth relying on a nonlinear model of partial differential equations which incorporates mechanical laws for tissue compression combined with rules for nutrients availability and drug application.…

数值分析 · 数学 2016-02-23 Konstantina Trivisa , Franziska Weber

A diffused interface model describing the evolution of two conterminous incompressible fluids in a porous medium is discussed. The system consists of the Cahn-Hilliard equation with Flory-Huggins logarithmic potential, coupled via surface…

偏微分方程分析 · 数学 2024-07-24 Nitu Lakhmara , Hari Shankar Mahato

Accurately modeling the spatiotemporal evolution of tumor morphology from baseline imaging is a pre-requisite for developing digital twin frameworks that can simulate disease progression and treatment response. Most existing approaches…

图像与视频处理 · 电气工程与系统科学 2025-10-01 Moinak Bhattacharya , Gagandeep Singh , Prateek Prasanna

Theoretical and computational tools that can be used in the clinic to predict neoplastic progression and propose individualized optimal treatment strategies to control cancer growth is desired. To develop such a predictive model, one must…

细胞行为 · 定量生物学 2015-05-20 Salvatore Torquato

In this paper, we investigate the tumor instability by employing both analytical and numerical techniques to validate previous results and extend the analytical findings presented in a prior study by Feng et al 2023. Building upon the…

偏微分方程分析 · 数学 2024-01-11 Jian-Guo Liu , Thomas Witelski , Xiaoqian Xu , Jiaqi Zhang

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 seven-equation model is a compressible multiphase formulation that allows for phasic velocity and pressure disequilibrium. These equations are solved using a diffused interface method that models resolved multiphase flows. Novel…

流体动力学 · 物理学 2023-01-24 Achyut Panchal , Spencer H. Bryngelson , Suresh Menon

In this paper, we study a semilinear parabolic PDE system which describes the interaction of normal cells, tumor cells, immune cells, with a chemotherapeutic drug. The model extends the previous model with incorporating strong Allee affects…

偏微分方程分析 · 数学 2026-02-05 Xiaoqin Liu , Hong-Ming Yin

Phase field models recently gained a lot of interest in the context of tumour growth models. Typically Darcy-type flow models are coupled to Cahn-Hilliard equations. However, often Stokes or Brinkman flows are more appropriate flow models.…

偏微分方程分析 · 数学 2018-07-03 Matthias Ebenbeck , Harald Garcke

This paper studies an evolving bulk--surface finite element method for a model of tissue growth, which is a modification of the model of Eyles, King and Styles (2019). The model couples a Poisson equation on the domain with a forced mean…

数值分析 · 数学 2024-01-18 Dominik Edelmann , Balázs Kovács , Christian Lubich

We study the asymptotic behaviour of a system of nonlinear reaction--diffusion--advection equations in a domain consisting of two bulk regions connected via microscopic channels distributed within a thin membrane. Both the width of the…

偏微分方程分析 · 数学 2025-12-15 Lucas M. Fix , Gianna Götzmann , Malte A. Peter , Jan-F. Pietschmann

In this paper a macroscopic model of tumor cord growth is developed, relying on the mathematical theory of deformable porous media. Tumor is modeled as a saturated mixture of proliferating cells, extracellular fluid and extracellular…

数学物理 · 物理学 2010-11-09 Andrea Tosin

We study the mass-conserved reaction-diffusion system known as the wave-pinning model, which serves as a minimal framework for describing cell polarity. In this model, the interplay between reaction kinetics and slow diffusion forms a sharp…

动力系统 · 数学 2026-01-09 Shunsuke Kobayashi , Koya Sakakibara , Taikei Uechi

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

We propose and study a one-dimensional model which consists of two cross-diffusion systems coupled via a moving interface. The motivation stems from the modelling of complex diffusion processes in the context of the vapor deposition of thin…

偏微分方程分析 · 数学 2024-07-23 Clément Cancès , Jean Cauvin-Vila , Claire Chainais-Hillairet , Virginie Ehrlacher

In this paper we study a model describing the growth of necrotic tumors in different regimes of vascularisation. The tumor consists of a necrotic core of death cells and a surrounding nonnecrotic shell. The corresponding mathematical…

偏微分方程分析 · 数学 2015-03-17 Joachim Escher , Anca-Voichita Matioc , Bogdan-Vasile Matioc

In this paper, we study the global dynamics of a general reaction-diffusion model based on acid-mediated invasion hypothesis, which is a candidate explanation for the Warburg effect. A key feature of this model is the density-limited tumor…

偏微分方程分析 · 数学 2023-02-13 Fang li , Zheng-an Yao , Ruijia Yu

In this work we present a flexible tool for tumor progression, which simulates the evolutionary dynamics of cancer. Tumor progression implements a multi-type branching process where the key parameters are the fitness landscape, the mutation…

种群与进化 · 定量生物学 2013-03-22 Johannes G. Reiter , Ivana Bozic , Krishnendu Chatterjee , Martin A. Nowak

We study the existence of weak solutions to a Cahn--Hilliard--Darcy system coupled with a convection-reaction-diffusion equation through the fluxes, through the source terms and in Darcy's law. The system of equations arises from a mixture…

偏微分方程分析 · 数学 2016-10-25 Harald Garcke , Kei Fong Lam

We consider a continuum mechanical model of cell invasion through thin membranes. The model consists of a transmission problem for cell volume fraction complemented with continuity of stresses and mass flux across the surfaces of the…

组织与器官 · 定量生物学 2019-08-06 Mark A. J. Chaplain , Chiara Giverso , Tommaso Lorenzi , Luigi Preziosi