Abstract
Perturbation iteration algorithm (PIA) is used to solve Jeffery Hamel flow problem of non-Newtonian fluid which is Casson fluid (JHFCF) to simplify a suitable transformation of similarities that applied to obtain a non- linear ordinary differential equation. The resulting equation is solved by PIA and numerically using fourth order Runge Kutta (RK4). Both solutions are compared by the variance of the parameter method (VPM) in order to check the efficacy of the provided (PIA) approach. For both diverging and converging channels, the influences of the parameters are demonstrated by graphical simulation
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