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Variational approach for a generalized Davey-Stewartson system

L Xu1 and N Zhang2

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In this paper a variational principle is established for a generalized Davey-Stewartson (GDS) system by He's semi-inverse method. Based on the established variational formulation, the traveling wave solutions of the GDS system can be easily obtained by Ritz method.


PACS

46.15.Cc Variational and optimizational methods

46.40.Cd Mechanical wave propagation (including diffraction, scattering, and dispersion)

Subjects

Computational physics

Condensed matter: structural, mechanical & thermal

Dates

Issue 1 (2008)



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