Provably unconditionally stable, second-order time-accurate, mixed variational methods for phase-field models

H Gomez, TJR Hughes - Journal of Computational Physics, 2011 - Elsevier
We introduce provably unconditionally stable mixed variational methods for phase-field
models. Our formulation is based on a mixed finite element method for space discretization …

Computationally efficient solution to the Cahn–Hilliard equation: Adaptive implicit time schemes, mesh sensitivity analysis and the 3D isoperimetric problem

O Wodo, B Ganapathysubramanian - Journal of Computational Physics, 2011 - Elsevier
We present an efficient numerical framework for analyzing spinodal decomposition
described by the Cahn–Hilliard equation. We focus on the analysis of various implicit time …

[PDF][PDF] Computational phase-field modeling

H Gomez, KG van der Zee - 2017 - nottingham-repository.worktribe.com
Phase-field modeling is emerging as a promising tool for the treatment of problems with
interfaces. The classical description of interface problems requires the numerical solution of …

Isogeometric analysis of high order partial differential equations on surfaces

A Bartezzaghi, L Dede, A Quarteroni - Computer Methods in Applied …, 2015 - Elsevier
We consider the numerical approximation of high order Partial Differential Equations (PDEs)
defined on surfaces in the three dimensional space, with particular emphasis on closed …

Isogeometric analysis of the advective Cahn–Hilliard equation: spinodal decomposition under shear flow

J Liu, L Dede, JA Evans, MJ Borden… - Journal of Computational …, 2013 - Elsevier
We present a numerical study of the spinodal decomposition of a binary fluid undergoing
shear flow using the advective Cahn–Hilliard equation, a stiff, nonlinear, parabolic equation …

A phase field model of unsaturated flow

L Cueto‐Felgueroso, R Juanes - Water resources research, 2009 - Wiley Online Library
We present a phase field model of infiltration that explains the formation of gravity fingers
during water infiltration in soil. The model is an extension of the traditional Richards …

Unconditionally stable methods for gradient flow using Convex Splitting Runge–Kutta scheme

J Shin, HG Lee, JY Lee - Journal of Computational Physics, 2017 - Elsevier
Abstract We propose a Convex Splitting Runge–Kutta (CSRK) scheme which provides a
simple unified framework to solve a gradient flow in an unconditionally gradient stable …

Isogeometric analysis of mechanically coupled Cahn–Hilliard phase segregation in hyperelastic electrodes of Li-ion batteries

Y Zhao, P Stein, BX Xu - Computer Methods in Applied Mechanics and …, 2015 - Elsevier
In this work, a Cahn–Hilliard phase-field model coupled with mechanics is proposed and
implemented with the isogeometric finite element method in 3D. Thereby, phase-dependent …

[HTML][HTML] A Fourier spectral method for fractional-in-space Cahn–Hilliard equation

Z Weng, S Zhai, X Feng - Applied Mathematical Modelling, 2017 - Elsevier
In this paper, a fractional extension of the Cahn–Hilliard (CH) phase field model is proposed,
ie the fractional-in-space CH equation. The fractional order controls the thickness and the …

Phase separation dynamics in isotropic ion-intercalation particles

Y Zeng, MZ Bazant - SIAM Journal on Applied Mathematics, 2014 - SIAM
Lithium-ion batteries exhibit complex nonlinear dynamics, resulting from diffusion and phase
transformations coupled to ion-intercalation reactions. Using the recently developed Cahn …