On the Study of Viscoelastic Walters' B Fluid in Boundary Layer Flows

Table 4

Comparison of 𝑓^′′(0) for 2nd and 4th order of approximation of boundary conditions in stagnation-point flow (ℎ=0.01).

𝐾 (Weissenberg number)	𝑓^′′(0)
	2nd-order boundary	4th-order boundary
0	1.2321389	1.2325876
0.05	1.2941257	1.2946467
0.1	1.3689191	1.3695389
0.2	1.5863305	1.5873276
0.3	2.1078014	2.1108185