activity
20132026
most citedDouble obstacle phase field approach to an inverse problem for a discontinuous diffusion coefficient

13 citations · 37 across the 12 of their papers we have counts for

collaborators

18 papers

math.NA2026

Error analysis of a finite element scheme for parametric mean curvature flow based on the DeTurck trick

Klaus Deckelnick, Vanessa Styles

The paper is concerned with the error analysis of a numerical scheme for the approximation of parametric mean curvature flow. The scheme we study is based on a reparametrization us…

math.AP2023

Existence of solution to a system of PDEs modeling the crystal growth inside lithium batteries

Omar Lakkis, Alexandros Skouras, Vanessa Styles

We study a model for lithium (Li) electrodeposition on Li-metal electrodes that leads to dendritic pattern formation. The model comprises of a system of three coupled PDEs, taking…

math.NA2021

Finite element error analysis for a system coupling surface evolution to diffusion on the surface

Klaus Deckelnick, Vanessa Styles

We consider a numerical scheme for the approximation of a system that couples the evolution of a two--dimensional hypersurface to a reaction--diffusion equation on the surface. The…

math.NA2020

Finite element approximation of a phase field model for tumour growth

Joe Eyles, Robert Nürnberg, Vanessa Styles

We consider a fully practical finite element approximation of a diffuse interface model for tumour growth that takes the form of a degenerate parabolic system. In addition to showi…

math.NA2020

Numerical analysis for a system coupling curve evolution attached orthogonally to a fixed boundary, to a reaction-diffusion equation on the curve

Vanessa Styles, James Van Yperen

We consider a semi-discrete finite element approximation for a system consisting of the evolution of a planar curve evolving by forced curve shortening flow inside a given bounded…

math.NA2020

Preconditioning nonlocal multi-phase flow

David Kay, Vanessa Styles

We propose an efficient solver for saddle point problems arising from finite element approximations of nonlocal multi-phase Allen--Cahn variational inequalities. The solver is seen…

math.NA2020

A Practical Phase Field Method for an Elliptic Surface PDE

John W. Barrett, Klaus Deckelnick, Vanessa Styles

We consider a diffuse interface approach for solving an elliptic PDE on a given closed hypersurface. The method is based on a (bulk) finite element scheme employing numerical quadr…

math.NA2020

Finite element approximation of a system coupling curve evolution with prescribed normal contact to a fixed boundary to reaction-diffusion on the curve

Vanessa Styles, James Van Yperen

We consider a finite element approximation for a system consisting of the evolution of a curve evolving by forced curve shortening flow coupled to a reaction-diffusion equation on…

q-bio.TO2019

A tractable mathematical model for tissue growth

Joe Eyles, John F. King, Vanessa Styles

Using formal asymptotic methods we derive a free boundary problem representing one of the simplest mathematical descriptions of the growth and death of a tumour or other biological…

math.NA2018

Hamilton--Jacobi equations on an evolving surface

Klaus Deckelnick, Charles M. Elliott, Tatsu-Hiko Miura +1

We consider the well-posedness and numerical approximation of a Hamilton--Jacobi equation on an evolving hypersurface in . Definitions of viscosity sub- and supersolut…

math.AP2018

Cahn--Hilliard inpainting with the double obstacle potential

Harald Garcke, Kei Fong Lam, Vanessa Styles

The inpainting of damaged images has a wide range of applications, and many different mathematical methods have been proposed to solve this problem. Inpainting with the help of Cah…

math.NA2016

Stability and error analysis for a diffuse interface approach to an advection-diffusion equation on a moving surface

Klaus Deckelnick, Vanessa Styles

In this paper we analyze a fully discrete numerical scheme for solving a parabolic PDE on a moving surface. The method is based on a diffuse interface approach that involves a leve…

math.NA2016

Numerical Analysis for a System Coupling Curve Evolution to Reaction-Diffusion on the Curve

John W. Barrett, Klaus Deckelnick, Vanessa Styles

We consider a finite element approximation for a system consisting of the evolution of a closed planar curve by forced curve shortening flow coupled to a reaction-diffusion equatio…

math.OC2016★ 10 cited

A robust and efficient adaptive multigrid solver for the optimal control of phase field formulations of geometric evolution laws

F. Yang, C. Venkataraman, V. Styles +1

We propose and investigate a novel solution strategy to efficiently and accurately compute approximate solutions to semilinear optimal control problems, focusing on the optimal con…

math.AP2015★ 2 cited

A Cahn--Hilliard--Darcy model for tumour growth with chemotaxis and active transport

Harald Garcke, Kei Fong Lam, Emanuel Sitka +1

Using basic thermodynamic principles we derive a Cahn--Hilliard--Darcy model for tumour growth including nutrient diffusion, chemotaxis, active transport, adhesion, apoptosis and p…

math.NA2015★ 12 cited

Whole cell tracking through the optimal control of geometric evolution laws

Konstantinos N. Blazakis, Anotida Madzvamuse, Constantino-Carlos Reyes-Aldasoro +2

Cell tracking algorithms which automate and systematise the analysis of time lapse image data sets of cells are an indispensable tool in the modelling and understanding of cellular…

math.NA2015★ 13 cited

Double obstacle phase field approach to an inverse problem for a discontinuous diffusion coefficient

Klaus Deckelnick, Charles M. Elliott, Vanessa Styles

We propose a double obstacle phase field approach to the recovery of piece-wise constant diffusion coefficients for elliptic partial differential equations. The approach to this in…

math.OC2013

Multi-material phase field approach to structural topology optimization

Luise Blank, M. Hassan Farshbaf-Shaker, Harald Garcke +2

Multi-material structural topology and shape optimization problems are formulated within a phase field approach. First-order conditions are stated and the relation of the necessary…