Explicit Travelling Wave Solutions to Nonlinear Partial Differential Equations Arise in Mathematical Physics and Engineering

Muktarebatul Jannah; Tarikul Islam; Armina Akter

doi:10.38032/jea.2021.01.008

Authors

Muktarebatul Jannah Department of Mathematics, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
Tarikul Islam Department of Mathematics, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
Armina Akter Department of Mathematics, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

DOI:

https://doi.org/10.38032/jea.2021.01.008

Keywords:

The Rational (G'/G)-Expansion Method, Nonlinear Partial Differential Equation, Complex Transformation, Exact Solution

Abstract

To describe the interior phenomena of the mysterious problems around the real world, non-linear partial differential equations (NLPDEs) plays a substantial role, for which construction of analytic solutions of those is most important. This paper stands for a goal to find fresh and wide-ranging solutions to some familiar NLPDEs namely the non-linear cubic Klein-Gordon (cKG) equation and the non-linear Benjamin-Ono (BO) equation. A wave variable transformation is made use to convert the mentioned equations into ordinary differential equations. To acquire the desired precise exact travelling wave solutions to the above-stated equations, the rational -expansion method is employed. Consequently, three types of equipped solutions are successfully come out in the forms of hyperbolic, trigonometric and rational functions in a compatible way. To analyse the physical problems arisen relating to nonlinear complex dynamical systems, our obtained solutions might be most helpful. So far we know, these achieved solutions are different than those in the literature. The applied method is efficient and reliable which might further be used to find different and novel solutions to many other NLPDEs successfully in research field.

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