An efficient numerical scheme to solve fractional diffusion-wave and fractional Klein–Gordon equations in fluid mechanics

E. Hashemizadeh and A. Ebrahimzadeh

Physica A: Statistical Mechanics and its Applications, 2018, vol. 503, issue C, 1189-1203

Abstract: The numerous applications of time fractional partial differential equations in different fields of science especially in fluid mechanics necessitate the presentation of an efficient numerical method to solve them. In this paper, Galerkin method and operational matrix of fractional Riemann–Liouville integration for shifted Legendre polynomials has been applied to solve these equations. Some definitions for fractional calculus along with some basic properties of shifted Legendre polynomials have also been put forth. When approximations are substituted into the fractional partial differential equations, a set of algebraic equations would be resulted. The convergence of the suggested method was also depicted. In the end, the linear time fractional Klein–Gordon equation, dissipative Klein–Gordon equations and diffusion-wave equations were utilized as three examples so as to study the performance of the numerical scheme.

Keywords: Fractional Klein–Gordon equation; Fractional diffusion-wave equation; Fractional dissipative Klein–Gordon equation; Shifted Legendre polynomials; Operational matrix (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:503:y:2018:i:c:p:1189-1203

DOI: 10.1016/j.physa.2018.08.086

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