Symmetry Methods of Flow and Heat Transfer between Slowly Expanding or Contracting Walls

Table 10

Comparison between analytical and numerical solutions for self-axial velocity 𝑢/𝑥 at 𝑦=0.1 for 𝑅=1, 𝛼=0.5.

	Analytical method	Numerical method	Percentage error (%)
𝑅𝑒=−1	1.542820	10548592	0.372749
𝑅𝑒=−0.5	1.531544	1.533740	0.143138
𝑅𝑒=0.5	1.508993	1.510721	0.114334
𝑅𝑒=1	1.497718	1.501653	0.262055