An adaptive BDF2 implicit time-stepping method for the phase field crystal model

H Liao, B Ji, L Zhang - IMA Journal of Numerical Analysis, 2022 - academic.oup.com
An adaptive BDF2 implicit time-stepping method is analyzed for the phase field crystal
model. The suggested method is proved to preserve a modified energy dissipation law at the …

Numerical analysis and applications of explicit high order maximum principle preserving integrating factor Runge-Kutta schemes for Allen-Cahn equation

H Zhang, J Yan, X Qian, S Song - Applied Numerical Mathematics, 2021 - Elsevier
Whether high order temporal integrators can preserve the maximum principle of Allen-Cahn
equation has been an open problem in recent years. This work provides a positive answer …

A highly efficient and accurate exponential semi-implicit scalar auxiliary variable (ESI-SAV) approach for dissipative system

Z Liu, X Li - Journal of Computational Physics, 2021 - Elsevier
The scalar auxiliary variable (SAV) approach [42] is a very popular and efficient method to
simulate various phase field models. To save the computational cost, a new SAV approach …

Numerical approximation of the square phase-field crystal dynamics on the three-dimensional objects

J Yang, J Kim - Journal of Computational Physics, 2022 - Elsevier
In the natural world, the phase field transition on the surface of a three-dimensional (3D)
object is common. The square phase-field crystal (SPFC) equation is an effective model for …

Third-order accurate, large time-stepping and maximum-principle-preserving schemes for the Allen-Cahn equation

H Zhang, X Qian, S Song - Numerical Algorithms, 2024 - Springer
We present and evaluate several explicit, large time-stepping algorithms for the Allen-Cahn
equation. Our approach incorporates a stabilization technique and uses Taylor series …

A Second-Order, Linear, -Convergent, and Energy Stable Scheme for the Phase Field Crystal Equation

X Li, Z Qiao - SIAM Journal on Scientific Computing, 2024 - SIAM
In this paper, we present a second-order accurate and linear numerical scheme for the
phase field crystal equation and prove its convergence in the discrete sense. The key …

Step-by-step solving schemes based on scalar auxiliary variable and invariant energy quadratization approaches for gradient flows

Z Liu, X Li - Numerical Algorithms, 2022 - Springer
In this paper, we propose several novel numerical techniques to deal with nonlinear terms in
gradient flows. These step-by-step solving schemes, termed 3S-SAV and 3S-IEQ schemes …

Linear energy-stable method with correction technique for the Ohta–Kawasaki–Navier–Stokes model of incompressible diblock copolymer melt

J Yang - Communications in Nonlinear Science and Numerical …, 2024 - Elsevier
An efficiently linear time-marching method is proposed for the incompressible fluid flows
coupled Ohta–Kawasaki model of diblock copolymer melt. Although this model satisfies the …

Highly efficient invariant-conserving explicit Runge-Kutta schemes for nonlinear Hamiltonian differential equations

H Zhang, X Qian, J Yan, S Song - Journal of Computational Physics, 2020 - Elsevier
A unified framework of invariant-conserving explicit Runge-Kutta schemes for the nonlinear
Hamiltonian ODEs and PDEs are proposed by utilizing the invariant energy quadratization …

Efficiently energy-dissipation-preserving ADI methods for solving two-dimensional nonlinear Allen-Cahn equation

D Deng, Z Zhao - Computers & Mathematics with Applications, 2022 - Elsevier
Over the years, energy-dissipation-preserving (EDP) numerical methods (EDP-NMs) for the
nonlinear system of energy dissipation have attracted considerable attention because they …