Abstract
In the present work, the exact solutions of Stokes second problem for a Burgers’ fluid are investigated. The expressions for the velocity field and the corresponding tangential stress are obtained when the relaxation times satisfy the condition γ < λ2/4. The solutions have been determined by means of Laplace transform. Only one initial condition is necessary for velocity and these solutions presented in the forms of simple or multiple integrals in terms of Bessel functions. The corresponding solutions for a Newtonian fluid as well as Oldroyd-B fluid appear as the limiting cases of the presented results. The obtained solutions are graphically analyzed for the variations of interesting flow parameters. Moreover, a comparison for velocity is made with Oldroyd-B and Newtonian fluids.
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Khan, M., Anjum, A. & Fetecau, C. On exact solutions of Stokes second problem for a Burgers’ fluid, I. The case γ < λ2/4. Z. Angew. Math. Phys. 61, 697–720 (2010). https://doi.org/10.1007/s00033-009-0025-z
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DOI: https://doi.org/10.1007/s00033-009-0025-z