Asymptotic solutions on multiple solutions arising from laminar flow in a uniformly porous channel with expanding or contracting walls

Boundary Value Problems

Table 1 Numerical values of \(g'''(\eta)\) at \(\eta= 0\), for various Re in different sections, compared with the analytical formula (89)

Re	Section	α = −0.05		α = 0			α = 0.05
Re	Section	(89)	Numerical	(89)	Numerical	Robinson [9]	(89)	Numerical
−28.142	I	−0.1993	−0.1064	−0.1986	−0.1791	−0.1984	−0.1978	−0.3094
−37.519	I	−0.0322	−0.0047	−0.0321	−0.0313	−0.0321	−0.2320	−0.2160
−49.008	I	−0.0029	0.0000	−0.0029	−0.0029	−0.0029	−0.2289	−0.2109
−55.934	I	−0.0007	0.0000	−0.0007	−0.0007	−0.0007	−0.2124	−0.2104
−28.139	II	0.1994	0.3571	0.1987	0.2249	0.1986	0.1979	0.1377
−37.791	II	0.0305	0.2058	0.0304	0.0311	0.0303	0.0303	0.0045
−44.717	II	0.0073	0.1992	0.0073	0.0073	0.0073	0.0073	0.0002
−56.008	II	0.0006	0.0000	0.0006	0.0006	0.0006	0.0006	0.0000