吉林大学学报(理学版) ›› 2018, Vol. 56 ›› Issue (5): 1143-1146.

• 数学 • 上一篇    下一篇

分数阶Kuramoto-Sivashinsky方程的精确行波解

常晶1, 刘洋2, 高忆先2   

  1. 1. 吉林农业大学 信息技术学院, 长春 130118; 2. 东北师范大学 数学与统计学院, 长春 130024
  • 收稿日期:2017-09-26 出版日期:2018-09-26 发布日期:2018-11-22
  • 通讯作者: 常晶 E-mail:changjing81@126.com

Exact Traveling Wave Solutions of Fractional Kuramoto-Sivashinsky Equation#br#

CHANG Jing1, LIU Yang2, GAO Yixian2   

  1. 1. College of Information Technology, Jilin Agricultural University, Changchun 130118, China;2. School of Mathematics and Statistics, Northeast Normal University, Changchun 130024, China
  • Received:2017-09-26 Online:2018-09-26 Published:2018-11-22

摘要: 利用具有两个变量的(G′/G,1/G)函数展开法, 并借助Mathematica科学计算软件, 得到时空分数阶非线性KuramotoSivashinsky方程的双曲函数形式、 三角函数形式和有理函数形式的精确行波解. 结果表明, (G′/G,1/G)函数展开法简单有效, 并适用于求解其他分数阶非线性偏微分方程的精确行波解.

关键词: 时空分数阶KuramotoSivashinsky方程, 精确行波解, (G′/G,1/G)函数展开法

Abstract: By using two variables (G′/G,1/G)function expansion method, and with the help of scientific computing software Mathematica, we obtained exact traveling wave solutions of hyperbolic function form, trigonometric form, rational function form for the timespace fractional nonlinear Kuramoto-Sivashinsky  equation. The results show that the (G′/G,1/G)function expansion method is simple and effctive, and is suitable for solving exact traveling wave solutions of other fractional nonlinear partial differential equations.

Key words: timespace fractional KuramotoSivashinsky equation, exact traveling wave solution, (G′/G,1/G)function expension , method

中图分类号: 

  • O175