Dynamic properties of interactional solutions for the (4 + 1)-dimensional Fokas equation

Dynamic properties of interactional solutions for the (4 + 1)-dimensional Fokas equation
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(4 1) 维 Fokas 方程交互解的动态特性

DOI:
10.1007/s11071-021-06789-2
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发表时间:
2021-08
期刊:
影响因子:
5.6
通讯作者:
Guo Ya-Ru
Guo Ya-Ru
中科院分区:
工程技术2区
文献类型:
--
作者:
Chen Ai-Hua;Yan Jie;Guo Ya-Ru

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本文基于双线性形式,给出了(4+1)\DocumentClass[12pt]{Minimum}\Usepackage{amsath}\Usepackage{waysym}\Usepackage{amsfonts}\Usepackage{amsbsy}\usepackage{mathsfs}\usepackage{upgreek}\setLong{oddsidemargin}{-69pt}\begin{document}$$(4+1)$$\end{document}-dimensional Fokas方程的多孤立波解。从得到的多个孤立波解出发,在特定参数下,我们得到了N个孤立波共振解。对于复共轭参数,我们利用它们的相移分析了两个周期波的相互作用、孤立波和周期波的相互作用。特别是,详细分析了弹性相互作用的中间过程,发现了有趣的融合和裂变现象。对这些解的渐近相互作用行为进行了理论分析和图解说明。
In this paper, based on the bilinear form, we give multi-solitary wave solutions of the (4+1)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(4+1)$$\end{document}-dimensional Fokas equation. From the obtained multi-solitary wave solutions, with special parameters, we derive resonant solutions of N-solitary waves. For complex conjugate parameters, we analyze interactions of two periodic waves, interactions of a solitary wave and a periodic wave by making use of their phase shifts. Particularly, the intermediate processes of elastic interactions are analyzed in detail, and interesting fusional and fissionable phenomena are found. The asymptotic interactional behaviors for these solutions are analyzed theoretically and illustrated graphically.
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