Analytical Results of Viscoelastic Fluid Flow through Porous Media in a Circular Pipe Employing Oldroyd–B Constitutive Model

G. Q. MEMON, Z. A. KALHORO, A. W. SHAIKH, N. P. GILL

Abstract


The basic purpose of this research paper is to investigate the solution of velocity of viscoelastic fluid flow with Porous media in a circular pipe to use the Lei- group technique to the system of PDE’s comprising the continuity, momentum and constitutive; equations, under appropriate initial and boundary conditions. The associated problem is organized by using the Darcy-Brinkman model connected with Oldroyd–B constitutive model. The investigation is arranged through analytical solutions of the PDE’s system related with initial and boundary value problem. The analytical solution is found under the symmetries for the system through Lie group method. The system of PDE’s is reduced in to ODE’s system applying suitable boundary conditions, so that exact solutions can be obtained.

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