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Chin. Phys. B, 2008, Vol. 17(12): 4344-4353    DOI: 10.1088/1674-1056/17/12/002
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New periodic wave solutions, localized excitations and their interaction for 2+1-dimensional Burgers equation

Ma Hong-Cai (马红彩), Ge Dong-Jie (葛东杰), Yu Yao-Dong (于耀东)
Department of Applied Mathematics, College of Science, Donghua University, Shanghai 201620, China
Abstract  Based on the B?cklund method and the multilinear variable separation approach (MLVSA), this paper finds a general solution including two arbitrary functions for the (2+1)-dimensional Burgers equations. Then a class of new doubly periodic wave solutions for (2+1)-dimensional Burgers equations is obtained by introducing appropriate Jacobi elliptic functions, Weierstrass elliptic functions and their combination in the general solutions (which contains two arbitrary functions). Two types of limit cases are considered. Firstly, taking one of the moduli to be unity and the other zero, it obtains particular wave (called semi-localized) patterns, which is periodic in one direction, but localized in the other direction. Secondly, if both moduli are tending to 1 as a limit, it derives some novel localized excitations (two-dromion solution).
Keywords:  (2+1)-dimensional Burgers equation      mutilinear variable separation approach      periodic wave solutions      localized excitation  
Received:  12 February 2008      Revised:  24 March 2008      Accepted manuscript online: 
PACS:  05.45.Yv (Solitons)  
  02.30.Jr (Partial differential equations)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10647112) and the Foundation of Donghua University.

Cite this article: 

Ma Hong-Cai (马红彩), Ge Dong-Jie (葛东杰), Yu Yao-Dong (于耀东) New periodic wave solutions, localized excitations and their interaction for 2+1-dimensional Burgers equation 2008 Chin. Phys. B 17 4344

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