Similarity Having Perturbation in Newtonian Fluid

Samra*, **, Syed Mohammed Rizwan***
* Department of Mathematics, National College of Business Administration and Economics, Gujrat, Pakistan.
**-*** Professor, Department of Mathematics & Statistics, Caledonian College of Engineering, Oman.
Periodicity:October - December'2015
DOI : https://doi.org/10.26634/jmat.4.4.3697

Abstract

This is the study of the grade-III fluid having the unidirectional and unsteady flow. Differential equation is solved using perturbation method to get linear forms of the velocities. The velocity u(y,t) is perturbed in ε to get the two-linear Partial Differential Equations (PDE's) in terms of u0(y,t) and u1(y,t). The solution of 1st linear is given in the exponent form f(y) eiat , that gives an ordinary differential equation that is easily solved to get the solution. This solution u0(y,t) is then utilized in Partial Differential Equation of 1st term velocity u1(y,t) and that gives linear Partial Differential Equation in the velocity u1(y,t). The solution of u1(y,t) is given in the exponent form F(y) e3iat , that gives an ordinary differential equation in F(y), that is solved to get the solution of F(y). This gives the perturbed solution for u1(y,t) in the form of F(y). First and zeroth solutions for the velocities give the solution for PDE.

Keywords

Grade-III Fluid, Perturbation Method, Unsteady Flow.

How to Cite this Article?

Samra, Mohyuddin, M.R., and Rizwan, S.M. (2015). Similarity Having Perturbation in Newtonian Fluid. i-manager’s Journal on Mathematics, 4(4), 22-27. https://doi.org/10.26634/jmat.4.4.3697

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