Abstract
PurposeThe purpose of this paper is to present a new approximate analytical procedure to obtain dual solutions of nonlinear differential equations arising in mixed convection flow in a semi-infinite domain. This method, which is based on Padé-approximation and homotopy–Padé technique, is applied to a model of magnetohydrodynamic Falkner–Skan flow as well. These examples indicate that the method can be successfully applied to solve nonlinear differential equations arising in science and engineering.Design/methodology/approachHomotopy–Padé method.FindingsThe main focus of the paper is on the prediction of the multiplicity of the solutions, however we have calculated multiple (dual) solutions of the model problem namely, mixed convection heat transfer in a porous medium.Research limitations/implicationsThe authors conjecture here that the combination of traditional–Pade and Hankel–Pade generates a useful procedure to predict multiple solutions and to calculate prescribed parameter with acceptable accuracy as well. Validation of this conjecture for other further examples is a challenging research opportunity.Social implicationsDual solutions of nonlinear differential equations arising in mixed convection flow in a semi-infinite domain.Originality/valueIn this study, the authors are using two modified methods.
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More From: International Journal of Numerical Methods for Heat & Fluid Flow
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