New Similarity Solutions of a Generalized Variable-Coefficient Gardner Equation with Forcing Term.
SYMMETRY-BASEL(2018)
摘要
The compatibility method is used for a generalized variable-coefficient Gardner equation (GVGE) with a forcing term. By the compatibility of the considered equation and a non-classical symmetry of a given form, four types of symmetry are obtained. Then, by solving the characteristic equations of symmetry, the GVGE is reduced to variable coefficients ordinary differential equations, and rich varieties of new similarity solutions are presented. Our results show that the compatibility method can be employed for variable coefficients nonlinear evolution equations with forcing terms.
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关键词
Gardner equation,compatibility method,symmetry,similarity solution
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