Slip Effects on Fractional Viscoelastic Fluids

Unsteady flow of an incompressible Maxwell fluid with fractional derivative induced by a sudden moved plate has been studied, where the no-slip assumption between the wall and the fluid is no longer valid. The solutions obtained for the velocity field and shear stress, written in terms of Wright gen...

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Main Authors: Muhammad Jamil, Najeeb Alam Khan
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:International Journal of Differential Equations
Online Access:http://dx.doi.org/10.1155/2011/193813
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author Muhammad Jamil
Najeeb Alam Khan
author_facet Muhammad Jamil
Najeeb Alam Khan
author_sort Muhammad Jamil
collection DOAJ
description Unsteady flow of an incompressible Maxwell fluid with fractional derivative induced by a sudden moved plate has been studied, where the no-slip assumption between the wall and the fluid is no longer valid. The solutions obtained for the velocity field and shear stress, written in terms of Wright generalized hypergeometric functions 𝑝Ψ𝑞, by using discrete Laplace transform of the sequential fractional derivatives, satisfy all imposed initial and boundary conditions. The no-slip contributions, that appeared in the general solutions, as expected, tend to zero when slip parameter is 𝜃→0. Furthermore, the solutions for ordinary Maxwell and Newtonian fluids, performing the same motion, are obtained as special cases of general solutions. The solutions for fractional and ordinary Maxwell fluid for no-slip condition also obtained as limiting cases, and they are equivalent to the previously known results. Finally, the influence of the material, slip, and the fractional parameters on the fluid motion as well as a comparison among fractional Maxwell, ordinary Maxwell, and Newtonian fluids is also discussed by graphical illustrations.
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spelling doaj-art-e74622d969c14291b640a08e765fdbc62025-02-03T01:02:55ZengWileyInternational Journal of Differential Equations1687-96431687-96512011-01-01201110.1155/2011/193813193813Slip Effects on Fractional Viscoelastic FluidsMuhammad Jamil0Najeeb Alam Khan1Abdus Salam School of Mathematical Sciences, GC University, Lahore 54600, PakistanDepartment of Mathematics, University of Karachi, Karachi 75270, PakistanUnsteady flow of an incompressible Maxwell fluid with fractional derivative induced by a sudden moved plate has been studied, where the no-slip assumption between the wall and the fluid is no longer valid. The solutions obtained for the velocity field and shear stress, written in terms of Wright generalized hypergeometric functions 𝑝Ψ𝑞, by using discrete Laplace transform of the sequential fractional derivatives, satisfy all imposed initial and boundary conditions. The no-slip contributions, that appeared in the general solutions, as expected, tend to zero when slip parameter is 𝜃→0. Furthermore, the solutions for ordinary Maxwell and Newtonian fluids, performing the same motion, are obtained as special cases of general solutions. The solutions for fractional and ordinary Maxwell fluid for no-slip condition also obtained as limiting cases, and they are equivalent to the previously known results. Finally, the influence of the material, slip, and the fractional parameters on the fluid motion as well as a comparison among fractional Maxwell, ordinary Maxwell, and Newtonian fluids is also discussed by graphical illustrations.http://dx.doi.org/10.1155/2011/193813
spellingShingle Muhammad Jamil
Najeeb Alam Khan
Slip Effects on Fractional Viscoelastic Fluids
International Journal of Differential Equations
title Slip Effects on Fractional Viscoelastic Fluids
title_full Slip Effects on Fractional Viscoelastic Fluids
title_fullStr Slip Effects on Fractional Viscoelastic Fluids
title_full_unstemmed Slip Effects on Fractional Viscoelastic Fluids
title_short Slip Effects on Fractional Viscoelastic Fluids
title_sort slip effects on fractional viscoelastic fluids
url http://dx.doi.org/10.1155/2011/193813
work_keys_str_mv AT muhammadjamil slipeffectsonfractionalviscoelasticfluids
AT najeebalamkhan slipeffectsonfractionalviscoelasticfluids