中国物理B ›› 2009, Vol. 18 ›› Issue (9): 3611-3615.doi: 10.1088/1674-1056/18/9/001
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焦小玉1, 楼森岳2
Jiao Xiao-Yu(焦小玉)a)† and Lou Sen-Yue(楼森岳)a)b)
摘要: The approximate direct reduction method is applied to the perturbed mKdV equation with weak fourth order dispersion and weak dissipation. The similarity reduction solutions of different orders conform to formal coherence, accounting for infinite series reduction solutions to the original equation and general formulas of similarity reduction equations. Painlevé II type equations, hyperbolic secant and Jacobi elliptic function solutions are obtained for zero-order similarity reduction equations. Higher order similarity reduction equations are linear variable coefficient ordinary differential equations.
中图分类号: (Solitons)