TABLE I.

Element description of the coarse, medium, and fine grid for the “face-to-face” case.

	Fine	Medium	Coarse
Description	grid	grid	grid
Total element number	6 842 897	5 123 271	2 234 562
Boundary layer element size (mm)	1.5	1.9	3.8
Volume element size (mm)	1.2–15	1.4–19	3.2–38
Maximum aspect ratio	23.3	26.6	37.2
Maximum cell skewness	0.972	0.938	0.915