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The unsteady two-dimensional flow of a viscoelastic second-grade fluid impinging on an infinite plate is considered. The plate is making harmonic oscillations in its own plane. A finite difference technique is employed and solutions for small and large frequencies of the oscillations are obtained. 1. Introduction. In the past two decades, the importance of… (More)

- Bikash Sahoo, Fotini Labropulu
- Computers & Mathematics with Applications
- 2012

- Fotini Labropulu, Iqbal Husain, M. Chinichian
- Int. J. Math. Mathematical Sciences
- 2004

The steady two-dimensional stagnation point flow of a non-Newtonian Walters' B' fluid with slip is studied. The fluid impinges on the wall either orthogonally or obliquely. A finite difference technique is employed to obtain solutions. 1. Introduction. Some rheologically complex fluids such as polymer solutions, blood, paints, and certain oils cannot be… (More)

- F. LABROPULU
- 2002

- Fotini Labropulu
- Int. J. Math. Mathematical Sciences
- 2008

The unsteady two-dimensional stagnation point flow of the Walters B’ fluid impinging on an infinite plate in the presence of a transverse magnetic field is examined and solutions are obtained. It is assumed that the infinite plate at y 0 is making harmonic oscillations in its own plane. A finite difference technique is employed and solutions for small and… (More)

The similarity equations for the Bödewadt flow of a non-Newtonian Reiner-Rivlin fluid, subject to uniform suction/injection, are solved numerically.The conventional no-slip boundary conditions are replaced by corresponding partial slip boundary conditions, owing to the roughness of the infinite stationary disk. The combined effects of surface slip (λ),… (More)

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