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Investigation of Interaction Solutions for Modified Korteweg-de Vries Equation by Consistent Riccati Expansion Method

机译:一致性Riccati扩展方法对改进的Korteweg-de Vries方程交互解决方案的研究

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摘要

A consistent Riccati expansion (CRE) method is proposed for obtaining interaction solutions to the modified Korteweg-de Vries (mKdV) equation. Using the CRE method, it is shown that interaction solutions such as the soliton-tangent (or soliton-cotangent) wave cannot be constructed for the mKdV equation. More importantly, exact soliton-cnoidal periodic wave interaction solutions are presented. While soliton-cnoidal interaction solutions were found to degenerate to special resonant soliton solutions for the values of modulus (n) closer to one (upper bound of modulus) in the Jacobi elliptic function, a normal kink-shaped soliton was observed for values of n closer to zero (lower bound).
机译:提出了一种一致的Riccati扩展(CRE)方法,用于获得修改的Korteweg-de VRIES(MKDV)方程的交互解。使用CRE方法,表明不能为MKDV方程构建诸如孤子切线(或孤子 - Cotangent)波的相互作用溶液。更重要的是,提出了精确的孤子-Cnoidal周期性波相互作用解决方案。虽然发现Soliton-Cnoideral相互作用溶液以近于Jacobi椭圆函数更接近一个(N)的模量(N)的值的特殊共振溶剂溶液,但观察到正常的扭结孤菌杆用于n的值更靠近零(下限)。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第16期|9535294.1-9535294.8|共8页
  • 作者

    Liang Jin-Fu; Wang Xun;

  • 作者单位

    Guizhou Normal Univ Sch Phys & Elect Sci Guiyang 550025 Guizhou Peoples R China;

    Chinese Acad Sci Key Lab Speech Acoust & Content Understanding Inst Acoust Beijing 100190 Peoples R China;

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  • 正文语种 eng
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