Blasius boundary layer solution is a Maclaurin series expansion of the function f(η), which has convergence problems when evaluating for higher values of η due to a singularity present at η ≈ -5.69. In this paper, we are introducing an accurate solution to f(η) using Taylors series expansions with progressively shifted centers of expansion (leaping centers). Each series is solved as an IVP with the three initial values computed from solution of the previous series, so the gap between the centers of two consecutive expansions is selected from within the convergence disc of the first series. The last series is formed such that it is convergent for a reasonable high  value needed for implementing the boundary condition at infinity. The present methodology uses Newton-Raphson method to compute the value of the unknown initial condition i.e., f"(0), in an iterative manner. Benchmark accurate results of different parameters of flat plate boundary layer with no slip and slip boundary conditions have been reported.

Blasius function, leaping Taylor’s series, slip flow, Newton-Raphson method.

Received: May 8, 2022; Accepted: June 14, 2022; Published: June 18, 2022

How to cite this article: S. Anil Lal and Milin Martin, Accurate benchmark results of Blasius boundary layer problem using a leaping Taylor’s series that converges for all real values, Advances and Applications in Fluid Mechanics 28 (2022), 41-58. http://dx.doi.org/10.17654/0973468622004

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