A novel analytical solution of mixed convection about an inclined flat plate embedded in a porous medium using the DTM-Pade

被引:68
作者
Rashidi, Mohammad Mehdi [1 ]
Laraqi, Najib [2 ]
Sadri, Seyed Majid [1 ]
机构
[1] Bu Ali Sina Univ, Fac Engn, Dept Mech Engn, Mahdie, Hamedan, Iran
[2] Univ Paris 10, Lab TIE, EA 4415, Dept GTE, F-92410 Ville Davray, France
关键词
Differential transform method; Pade approximant; Mixed convection flow; Porous medium; Nonlinear differential equations; PARTIAL-DIFFERENTIAL-EQUATIONS; HOMOTOPY PERTURBATION METHOD; APPROXIMATE SOLUTIONS; HEAT-TRANSFER; SYSTEM; FLOW;
D O I
10.1016/j.ijthermalsci.2010.07.005
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this study, the problem of mixed convection about an inclined flat plate embedded in a porous medium is performed. The similarity transformations are applied to reduce governing partial differential equations (PDEs) to a set of nonlinear coupled ordinary differential equations (ODES) in dimensionless form. An efficient mathematical technique, called the differential transform method (DIM), is used to solve the nonlinear differential equations governing the problem in the form of series with easily computable terms. Then, Pade approximant is applied to the solutions to increase the convergence of given series. It has been attempted to show the reliability and performance of the DIM in comparison with the numerical method (fourth-order Runge-Kutta) in solving this problem. The obtained solutions, in comparison with the numerical solutions admit a remarkable accuracy. (C) 2010 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:2405 / 2412
页数:8
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