Bernstein method for the MHD flow and heat transfer of a second grade fluid in a channel with porous wall

In this paper, we present an approximate solution method for the problem of magnetohydrodynamic (MHD) flow and heat transfer of a second grade fluid in a channel with a porous wall. The method is based on the Bernstein polynomials with their operational matrices and collocation method. Under some re...

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Bibliographic Details
Published in:Alexandria engineering journal 2016-09, Vol.55 (3), p.2149-2156
Main Authors: Bataineh, A. Sami, Isik, O.R., Hashim, I.
Format: Article
Language:English
Subjects:
Bernstein operational matrix method
Bernstein polynomials
Error analysis
Heat transfer
MHD flow
Residual correction procedure
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Summary:In this paper, we present an approximate solution method for the problem of magnetohydrodynamic (MHD) flow and heat transfer of a second grade fluid in a channel with a porous wall. The method is based on the Bernstein polynomials with their operational matrices and collocation method. Under some regularity conditions, upper bounds of the absolute errors are given. We apply the residual correction procedure which may estimate the absolute error to the problem. We may estimate the absolute error by using a procedure depends on the sequence of the approximate solutions. For some certain cases, we apply the method to the problem in the numerical examples. Moreover, we test the impact of changing the flow parameters numerically. The results are consistent with the results of Runge-Kutta fourth order method and homotopy analysis method.
ISSN:1110-0168
DOI:10.1016/j.aej.2016.06.022