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Bidirectional solitary wave solutions and soliton solutions for two nonlinear ev olution equations

Li Zhi-Bin Xu Gui-Qiong

Bidirectional solitary wave solutions and soliton solutions for two nonlinear ev olution equations

Li Zhi-Bin, Xu Gui-Qiong
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  • Abstract views:  2928
  • PDF Downloads:  738
  • Cited By: 0
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  • Received Date:  23 October 2002
  • Accepted Date:  22 December 2002
  • Published Online:  20 August 2003

Bidirectional solitary wave solutions and soliton solutions for two nonlinear ev olution equations

  • 1. (1)华东师范大学计算机科学技术系,上海 200062; (2)上海大学信息管理系,上海 200436;华东师范大学计算机科学技术系,上海 200062

Abstract: The homogeneous balance method for constructing solitary wave solutions and soliton solutions is further developed on obtaining quasi-solution by using step-by- step principle.The main advantage of the extended approach is to avoid the probl em of “intermediate expression swell”.The effectiveness of the method is demon strated by application to the generalized Boussinesq equation and the bidirectio nal Kaup-Kupershmidt equation.The one-soliton,two-soliton and three-soliton solutions with multipe collisions are derived for these two equations with the assistance of Maple.

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