Analytic Approximate Solutions for MHD Boundary-Layer Viscoelastic Fluid Flow over Continuously Moving Stretching Surface by Homotopy Analysis Method with Two Auxiliary Parameters

Figure 6

(a) The residual error when 𝑘₁=−0.1, Mn=0.2, 𝑘₂=0.0, Gr=0.25, Pr=1.0, Nr=0.5, 𝜀=0.15, 𝛼=−0.3, and 𝛾=0.93 in PST case and 𝛾=0.92 in PHF case. (b) The residual error when 𝑘₁=−0.1, Mn=0.2, 𝑘₂=0.0, Gr=0.25, Pr=1.0, Nr=0.5, 𝜀=0.15, 𝛼=−0.3, and 𝛾=1 in both PST and PHF cases.

(a)

(b)