MHD squeezing flow of second‐grade fluid between two parallel disks

Abstract

SUMMARY This paper examines the unsteady two‐dimensional flow of a second‐grade fluid between parallel disks in the presence of an applied magnetic field. The continuity and momentum equations governing the unsteady two‐dimensional flow of a second‐grade fluid are reduced to a single differential equation through similarity transformations. The resulting differential system is computed by a homotopy analysis method. Graphical results are discussed for both suction and blowing cases. In addition, the derived results are compared with the homotopy perturbation solution in a viscous fluid ( Math. Probl. Eng ., DOI: 10.1155/2009/603916 ). Copyright © 2011 John Wiley & Sons, Ltd.