Abstract
The present paper discuss the effects of the peristaltic motion of a couple stress fluid through a porous medium in a two dimensional flexible channel under long wave length approximation and negligible Reynolds number. The effects of various physical parameters on axial velocity, transverse velocity, pressure gradient and friction force have been computed numerically by perturbation method. A perturbation method of solution is obtained in terms of wall slope parameter and closed form of expressions has been derived for axial velocity, transverse velocity and pressure also. It is noted that pressure rise increases with increase in couple stress parameter and porous medium. The friction force has an opposite behavior compared with pressure rise.
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