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author:

王齐鹏 (王齐鹏.) [1] | 李娴娟 (李娴娟.) [2] (Scholars:李娴娟)

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CQVIP PKU

Abstract:

针对含有对数自由能的空间分数阶Allen-Cahn方程,提出在空间上使用二阶中心差分,时间上采用二阶Crank-Nicolson差分格式的数值方法.在此基础上,阐明其数值解在合理的时间步长的限制下是唯一可解的,且满足极大值原理与离散能量稳定性.基于极大值原理,进一步探讨相应的误差分析.

Keyword:

Allen-Cahn方程 分数阶导数 极大值原理 离散能量稳定性 误差分析

Community:

  • [ 1 ] [王齐鹏]福州大学
  • [ 2 ] [李娴娟]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2019

Issue: 2

Volume: 47

Page: 167-172

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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