Dual Approximate Solutions of the Unsteady Viscous Flow over a Shrinking Cylinder with Optimal Homotopy Asymptotic Method

Table 5

Comparison between the derivative 𝑓^′(𝜂) obtained from (50) and numerical results for 𝛾=1 and 𝑆=−1 (error = |𝑓^′_OHAM(𝜂)−𝑓^′_numerical(𝜂)|).

𝜂	𝑓^′OHAM(𝜂) (50)	𝑓^′numerical(𝜂)	Error
1	−1.	−1.	0.
9/5	−0.7034979138	−0.7036237128	1.2⋅10^−4
13/5	−0.4016692734	−0.4016032225	6.6⋅10^−5
21/5	−0.1094954512	−0.1095146046	1.9⋅10^−5
29/5	−0.0270353065	−0.0270213000	1.4⋅10^−5
37/5	−0.0063314620	−0.0063462255	1.4⋅10^−5
41/5	−0.0030330955	−0.0030391496	6.05⋅10^−6
9	−0.0014527986	−0.0014468075	5.9⋅10^−6
∞	0	0	0