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四阶抛物方程一类新的并行交替分段隐格式

郭阁阳1,2, 刘 播1   

  1. 1. 吉林大学 数学学院, 长春 130012; 2. 天津工程师范学院 数学系, 天津 300222
  • 收稿日期:2007-06-14 修回日期:1900-01-01 出版日期:2008-03-26 发布日期:2008-03-26
  • 通讯作者: 刘 播

Parallel Alternating Difference Implicit Schemes forFourth Order Parabolic Equations

GUO Geyang1,2, LIU Bo1   

  1. 1. College of Mathematics, Jilin University, Changchun 130012, China;2. Department of Mathematics, Tianjin University of Technology and Education, Tianjin 300222, China
  • Received:2007-06-14 Revised:1900-01-01 Online:2008-03-26 Published:2008-03-26
  • Contact: LIU Bo

摘要: 给出了逼近四阶抛物方程的一组新Saul’yev非对称差分格式, 利用这组非对称格式和对称的CrankNicolson格式构造了一类新的并行交替分段隐格式算法, 并证明了该算法的绝对稳定性. 数值实验表明, 该格式具有良好的收敛性、 误差精度和稳定性.

关键词: 四阶抛物方程, 非对称格式, 并行计算, 绝对稳定性

Abstract: A group of Saul’yev asymmetric difference schemes for approach the fourth order parabolic equations is given in this paper. Using the asymmetric difference schemes and the symmetric CrankNicolson type scheme, we constructed the parallel alternating difference schemes, which are absolutely stable. Numericalexperiments for the model problem show that the accuracy and stability of the schemes are good.

Key words: fourth order parabolic equations, asymmetric difference schemes, parallel computation, absolutely stable

中图分类号: 

  • O246