The phase field method for geometric moving interfaces and their numerical approximations

Q Du, X Feng - Handbook of numerical analysis, 2020 - Elsevier
This chapter surveys recent numerical advances in the phase field method for geometric
surface evolution and related geometric nonlinear partial differential equations (PDEs) …

Positivity-preserving, energy stable numerical schemes for the Cahn-Hilliard equation with logarithmic potential

W Chen, C Wang, X Wang, SM Wise - Journal of Computational Physics: X, 2019 - Elsevier
In this paper we present and analyze finite difference numerical schemes for the Cahn-
Hilliard equation with a logarithmic Flory Huggins energy potential. Both first and second …

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 …

[HTML][HTML] An energy stable fourth order finite difference scheme for the Cahn–Hilliard equation

K Cheng, W Feng, C Wang, SM Wise - Journal of Computational and …, 2019 - Elsevier
In this paper we propose and analyze an energy stable numerical scheme for the Cahn–
Hilliard equation, with second order accuracy in time and the fourth order finite difference …

On energy dissipation theory and numerical stability for time-fractional phase-field equations

T Tang, H Yu, T Zhou - SIAM Journal on Scientific Computing, 2019 - SIAM
For the time-fractional phase-field models, the corresponding energy dissipation law has not
been well studied on both the continuous and the discrete levels. In this work, we address …

A positivity-preserving, energy stable scheme for a ternary Cahn-Hilliard system with the singular interfacial parameters

L Dong, C Wang, SM Wise, Z Zhang - Journal of Computational Physics, 2021 - Elsevier
In this paper, we construct and analyze a uniquely solvable, positivity preserving and
unconditionally energy stable finite-difference scheme for the periodic three-component …

A structure-preserving, operator splitting scheme for reaction-diffusion equations with detailed balance

C Liu, C Wang, Y Wang - Journal of Computational Physics, 2021 - Elsevier
In this paper, we propose and analyze a positivity-preserving, energy stable numerical
scheme for a certain type of reaction-diffusion systems involving the Law of Mass Action with …

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 …

On energy stable, maximum-principle preserving, second-order BDF scheme with variable steps for the Allen--Cahn equation

H Liao, T Tang, T Zhou - SIAM Journal on Numerical Analysis, 2020 - SIAM
In this work, we investigate the two-step backward differentiation formula (BDF2) with
nonuniform grids for the Allen--Cahn equation. We show that the nonuniform BDF2 scheme …

A second order BDF numerical scheme with variable steps for the Cahn--Hilliard equation

W Chen, X Wang, Y Yan, Z Zhang - SIAM Journal on Numerical Analysis, 2019 - SIAM
We present and analyze a second order in time variable step BDF2 numerical scheme for
the Cahn--Hilliard equation. The construction relies on a second order backward difference …