Online from: 1991
Subject Area: Mechanical & Materials Engineering
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|Title:||Analytical approach to fractional partial differential equations in fluid mechanics by means of the homotopy perturbation method|
|Author(s):||Ahmet Yildirim, (Department of Mathematics, Science Faculty, Ege University, Izmir, Turkey)|
|Citation:||Ahmet Yildirim, (2010) "Analytical approach to fractional partial differential equations in fluid mechanics by means of the homotopy perturbation method", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 20 Iss: 2, pp.186 - 200|
|Keywords:||Deformation, Differential equations, Fluid mechanics, Wave properties|
|Article type:||Research paper|
|DOI:||10.1108/09615531011016957 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – This paper aims to present a general framework of the homotopy perturbation method (HPM) for analytic treatment of fractional partial differential equations in fluid mechanics. The fractional derivatives are described in the Caputo sense.
Design/methodology/approach – Numerical illustrations that include the fractional wave equation, fractional Burgers equation, fractional KdV equation and fractional Klein-Gordon equation are investigated to show the pertinent features of the technique.
Findings – HPM is a powerful and efficient technique in finding exact and approximate solutions for fractional partial differential equations in fluid mechanics. The implementation of the noise terms, if they exist, is a powerful tool to accelerate the convergence of the solution. The results so obtained reinforce the conclusions made by many researchers that the efficiency of the HPM and related phenomena gives it much wider applicability.
Originality/value – The essential idea of this method is to introduce a homotopy parameter, say
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