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

Table 5

Comparison of 𝑓^′′(0) for 2nd and 4th order of approximation of boundary conditions in Blasius flow (ℎ=0.02).

𝐾 (Weissenberg number)	𝑓^′′(0)
	2nd-order boundary	4th-order boundary
0	0.3319149780	0.3320573425
0.1	0.2969615173	0.2970753479
0.2	0.2682281494	0.2683211517
0.3	0.2443289184	0.2444062805
0.4	0.2243995666	0.2244654083
0.5	0.2068298721	0.2068865966
0.6	0.1923221588	0.1923710250
0.7	0.1803870391	0.1804304504
0.8	0.1697863769	0.1698255157
0.9	0.1598538398	0.1598894882
1	0.1505471420	0.1505795288