Table 6.

Space and cycle-averaged velocity compared and extrapolated with Richardson’s extrapolation method for different grid sizes.

Number of elements	$\overline{u}$ (m/s)	A (m2)	f (m3/3)	% Error
6M	$2.2265\times {10}^{-1}$	$1.8289\times {10}^{-4}$	$4.1426\times {10}^{-4}$	8.19
22M	$2.3295\times {10}^{-1}$	$1.7165\times {10}^{-4}$	$3.9989\times {10}^{-4}$	4.44
50M	$2.3636\times {10}^{-1}$	$1.6691\times {10}^{-4}$	$3.9453\times {10}^{-4}$	3.04
Richardson extrapolation	–	–	$3.8290\times {10}^{-4}$	0.00