Table 2.

Contact pressure estimates.

Methods	Flow rate Q (l∕min)	Peak contact pressure Pc (kPa)	Error (%)
Direct measurement	43.3	0.59	N∕A
45.2	0.63	N∕A
Hertzian model	43.3	0.63	6.6
45.2	0.74	17.5
FEM prediction	43.3	0.51	N∕A
45.2	0.99	N∕A