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标题：Application of the Exp-Function and Generalized Kudryashov Methods for Obtaining New Exact Solutions of Certain Nonlinear Conformable Time Partial Integro-Differential Equations
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作者：Supaporn Kaewta ; Sekson Sirisubtawee ; Surattana Sungnul 等
期刊名称：Computation
电子版ISSN：2079-3197
出版年度：2021
卷号：9
期号：5
页码：52
DOI：10.3390/computation9050052
出版社：MDPI Publishing
摘要：The key objective of this paper is to construct exact traveling wave solutions of the conformable time second integro-differential Kadomtsev–Petviashvili (KP) hierarchy equation using the Exp-function method and the (2 1)-dimensional conformable time partial integro-differential Jaulent–Miodek (JM) evolution equation utilizing the generalized Kudryashov method. These two problems involve the conformable partial derivative with respect to time. Initially, the conformable time partial integro-differential equations can be converted into nonlinear ordinary differential equations via a fractional complex transformation. The resulting equations are then analytically solved via the corresponding methods. As a result, the explicit exact solutions for these two equations can be expressed in terms of exponential functions. Setting some specific parameter values and varying values of the fractional order in the equations, their 3D, 2D, and contour solutions are graphically shown and physically characterized as, for instance, a bell-shaped solitary wave solution, a kink-type solution, and a singular multiple-soliton solution. To the best of the authors’ knowledge, the results of the equations obtained using the proposed methods are novel and reported here for the first time. The methods are simple, very powerful, and reliable for solving other nonlinear conformable time partial integro-differential equations arising in many applications.
关键词：generalized Kudryashov method; Exp-function method; conformable time second integro-differential Kadomtsev–Petviashvili hierarchy equation; (2 1)-dimensional conformable time partial integro-differential Jaulent–Miodek evolution equation generalized Kudryashov method ; Exp-function method ; conformable time second integro-differential Kadomtsev–Petviashvili hierarchy equation ; (2 1)-dimensional conformable time partial integro-differential Jaulent–Miodek evolution equation