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On the wave solutions of time‐fractional Sawada‐Kotera‐Ito equation arising in shallow water

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A widescale description of various phenomena in science and engineering such as physics, chemical, acoustics, control theory, finance, economics, mechanical engineering, civil engineering, and social sciences is well described by… Click to show full abstract

A widescale description of various phenomena in science and engineering such as physics, chemical, acoustics, control theory, finance, economics, mechanical engineering, civil engineering, and social sciences is well described by nonlinear fractional differential equations (NLFDEs). In turbulence, fluid dynamics, and nonlinear biological systems, applications of NLFDEs can also be found. NLFDEs are believed to be powerful tools to describe real‐world problems more precisely than the differential equation of the integer‐order. In this research, we have used the fractional reduced differential transform method (FRDTM) to find the solution of the time‐fractional Sawada‐Kotera‐Ito seventh‐order equation. The novelty of the FRDTM is that it does not require any discretization, transformation, perturbation, or any restrictive conditions. In addition, compared to other methods, this approach needs less calculation. For special cases of an integer and noninteger orders, computed results are compared with existing results. Present results are in good agreement with the existing solutions. Here, the fractional derivatives are considered in the Caputo sense. Convergence analysis of the results has also been studied with the increasing number of terms of the solution.

Keywords: fractional sawada; equation; time fractional; kotera ito; sawada kotera

Journal Title: Mathematical Methods in the Applied Sciences
Year Published: 2020

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