FIZIKA A 12 (2003) 4 , 161 - 170

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THE EXTENDED JACOBIAN ELLIPTIC FUNCTION EXPANSION METHOD AND ITS APPLICATION TO NONLINEAR WAVE EQUATIONS

CHEN LIANG, XU YONG, LIU ZHONGFEI and HAN JIAHUA

Department of Physics, Anhui University, Hefei 230039, China

Received 9 June 2003; revised manuscript received 5 December 2003
Accepted 15 December 2003    Online 19 April 2004

In this work an extended Jacobian elliptic function expansion method is applied to construct the exact periodic solutions of two nonlinear wave equations. The periodic solutions obtained by this method can be reduced to the solitary wave solutions under certain limiting conditions.

PACS numbers: 02.60.Lj, 05.45.Yv
UDC 531.133,

Keywords: Jacobian elliptic functions, nonlinear equation, Benjamin-Bona-Mahoni equation, Klein-Gordon equation, solitary wave solution

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