We carry out convergence and error analysis of the scalar auxiliary variable (SAV) methods for L^2 and H^-1 gradient flows with a typical form of free energy. We first derive H^2 …
M Jiang, Z Zhang, J Zhao - Journal of Computational Physics, 2022 - Elsevier
The scalar auxiliary variable (SAV) method was introduced by Shen et al. in [36] and has been broadly used to solve thermodynamically consistent PDE problems. By utilizing scalar …
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 …
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 …
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 …
Y Zhang, J Shen - Journal of Computational Physics, 2022 - Elsevier
The scalar auxiliary variable (SAV) approach [31] and its generalized version GSAV proposed in [20] are very popular methods to construct efficient and accurate energy stable …
Y Yan, W Chen, C Wang, SM Wise - Commun. Comput. Phys., 2018 - math.umassd.edu
In this paper we present a second order accurate (in time) energy stable numerical scheme for the Cahn-Hilliard (CH) equation, with a mixed finite element approximation in space …
D Han, X Wang - Journal of Computational Physics, 2015 - Elsevier
We propose a novel second order in time numerical scheme for Cahn–Hilliard–Navier– Stokes phase field model with matched density. The scheme is based on second order …
In this paper we propose and analyze a finite difference numerical scheme for the Poisson- Nernst-Planck equation (PNP) system. To understand the energy structure of the PNP …