教学讨论

(2+1)维耗散长波方程的变量分离解

  • 杨 娟 ,
  • 余幼胜
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  • 1.凯里学院数学科学学院,贵州凯里 556011;2.凯里学院物理与电子工程学院,贵州凯里 556011
杨娟(1982—),女,湖南洞口人,凯里学院数学科学学院副教授,硕士,主要从事非线性数学物理方程的研

收稿日期: 2017-04-27

  修回日期: 2017-07-20

  网络出版日期: 2017-12-20

基金资助

贵州省教育厅青年科技人才成长项目(黔教合KY字[2016]304);贵州省卓越教师教育培养计划(数学与应用数学)([2015]25)资助

Exact solutions for(2+1)-dimensional dispersive long wave equation

  • YANG Juan1 ,
  • YU You-sheng2
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  • 1.College of Mathematical Sciences,Kaili University,Kaili,Guizhou 556011,China;2.College of Physics and Electronic Engineering,Kaili University,Kaili,Guizhou 556011,China

Received date: 2017-04-27

  Revised date: 2017-07-20

  Online published: 2017-12-20

摘要

借助Mathematica符号计算软件,利用拓展的F/G 展开法和变量分离法,得到(2+1)维耗散长波方程的精确解.通过选择适当的函数,获得(2+1)维耗散长波方程的亮暗dromion解和周期孤波解.

本文引用格式

杨 娟 , 余幼胜 . (2+1)维耗散长波方程的变量分离解[J]. 大学物理, 2017 , 36(12) : 26 -27 . DOI: 10.16854/j.cnki.1000-0712.2017.12.007

Abstract

With the help of the symbolic computation system Mathematica,the new exact solutions of the(2+1)-dimensional dispersive long wave equation are derived in terms of both extended F/G-expansion method and variable separation method.By choosing the appropriate function,the bright and dark dromion solution and the periodic solitary wave solution of the(2+1)-dimensional dissipative long wave equation are obtained.
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