Nonlinear Dynamics

, Volume 42, Issue 4, pp 395–405 | Cite as

Homotopy Solutions for a Generalized Second-Grade Fluid Past a Porous Plate

  • Tasawar Hayat
  • Masood Khan


The flow of a second-grade fluid past a porous plate subject to either suction or blowing at the plate has been studied. A modified model of second-grade fluid that has shear-dependent viscosity and can predict the normal stress difference is used. The differential equations governing the flow are solved using homotopy analysis method (HAM). Expressions for the velocity have been constructed and discussed with the help of graphs. Analysis of the obtained results showed that the flow is appreciably influenced by the material and normal stress coefficient. Several results of interest are deduced as the particular cases of the presented analysis.

Key words

generalized second-grade fluid HAM solutions hydrodynamic fluid porous plate shear-dependent viscosity 


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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  1. 1.Department of MathematicsQuaid-i-Azam UniversityIslamabadPakistan

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