Efficient numerical schemes with unconditional energy stabilities for the modified phase field crystal equation
- 发布时间:2025-04-30
- 论文名称:Efficient numerical schemes with unconditional energy stabilities for the modified phase field crystal equation
- 发表刊物:Advances in Computational Mathematics
- 摘要:We consider numerical approximations for the modified phase field crystal equation in this paper. The model is a nonlinear damped wave
equation that includes both diffusive dynamics and elastic interactions. To develop easy-to-implement time-stepping schemes with unconditional energy stabilities, we adopt the “Invariant Energy Quadratization”approach. By using the first-order backward Euler, the second-order Crank–Nicolson, and the second-order BDF2 formulas, we obtain three linear and symmetric positive definite schemes. We rigorously prove their unconditional energy stabilities and implement a number of 2D and 3D numerical experiments to demonstrate the accuracy, stability, and efficiency.
- 合写作者:Qi Li,Liquan Mei,Xiaofeng Yang,Yibao Li
- 卷号:45
- 页面范围:1551-1580
- 是否译文:否
- 发表时间:2019-06-01
- 合写作者:Qi Li,Liquan Mei,Xiaofeng Yang,Yibao Li