A second order accurate scalar auxiliary variable (SAV) numerical method for the square phase field crystal equation

M Wang, Q Huang, C Wang - Journal of Scientific Computing, 2021 - Springer
In this paper we propose and analyze a second order accurate (in time) numerical scheme
for the square phase field crystal equation, a gradient flow modeling crystal dynamics at the …

An energy stable BDF2 Fourier pseudo-spectral numerical scheme for the square phase field crystal equation

K Cheng, C Wang, SM Wise - arxiv preprint arxiv:1906.12255, 2019 - arxiv.org
In this paper we propose and analyze an energy stable numerical scheme for the square
phase field crystal (SPFC) equation, a gradient flow modeling crystal dynamics at the atomic …

A third order exponential time differencing numerical scheme for no-slope-selection epitaxial thin film model with energy stability

K Cheng, Z Qiao, C Wang - Journal of Scientific Computing, 2019 - Springer
In this paper we propose and analyze a (temporally) third order accurate exponential time
differencing (ETD) numerical scheme for the no-slope-selection (NSS) equation of the …

On second order semi-implicit Fourier spectral methods for 2D Cahn–Hilliard equations

D Li, Z Qiao - Journal of scientific computing, 2017 - Springer
We consider several seconder order in time stabilized semi-implicit Fourier spectral
schemes for 2D Cahn–Hilliard equations. We introduce new stabilization techniques and …

A second-order, weakly energy-stable pseudo-spectral scheme for the Cahn–Hilliard equation and its solution by the homogeneous linear iteration method

K Cheng, C Wang, SM Wise, X Yue - Journal of Scientific Computing, 2016 - Springer
We present a second order energy stable numerical scheme for the two and three
dimensional Cahn–Hilliard equation, with Fourier pseudo-spectral approximation in space …

[PDF][PDF] Error estimate of a second order accurate scalar auxiliary variable (SAV) scheme for the thin film epitaxial equation

Q Cheng - Advances in applied mathematics and mechanics, 2021 - par.nsf.gov
A second order accurate (in time) numerical scheme is analyzed for the slope-selection (SS)
equation of the epitaxial thin film growth model, with Fourier pseudo-spectral discretization …

A third order BDF energy stable linear scheme for the no-slope-selection thin film model

Y Hao, Q Huang, C Wang - arxiv preprint arxiv:2011.01525, 2020 - arxiv.org
In this paper we propose and analyze a (temporally) third order accurate backward
differentiation formula (BDF) numerical scheme for the no-slope-selection (NSS) equation of …

Convergence analysis of a fully discrete finite difference scheme for the Cahn-Hilliard-Hele-Shaw equation

W Chen, Y Liu, C Wang, S Wise - Mathematics of Computation, 2016 - ams.org
We present an error analysis for an unconditionally energy stable, fully discrete finite
difference scheme for the Cahn-Hilliard-Hele-Shaw equation, a modified Cahn-Hilliard …

Analysis of long time stability and errors of two partitioned methods for uncoupling evolutionary groundwater--surface water flows

W Layton, H Tran, C Trenchea - SIAM Journal on Numerical Analysis, 2013 - SIAM
The most effective simulations of the multiphysics coupling of groundwater to surface water
must involve employing the best groundwater codes and the best surface water codes …

Energy stable numerical schemes for ternary Cahn-Hilliard system

W Chen, C Wang, S Wang, X Wang… - Journal of Scientific …, 2020 - Springer
We present and analyze a uniquely solvable and unconditionally energy stable numerical
scheme for the ternary Cahn-Hilliard system, with a polynomial pattern nonlinear free energy …