Table 2.

Finite element mesh density check based on the lateral displacement of the head 0.5 mm under the vertical load of 0.5 kN.

Element size (mm)	Maximum contact pressure (GPa) and difference percentage		Maximum tensile stress (GPa) and difference percentage
0.25	0.69		0.11
0.125	1.18	42%	0.19	42%
0.0625	2.50	53%	0.36	47%
0.03125	4.85	48%	0.67	46%
0.015625	7.10	32%	1.36	51%
0.0078	12.34	43%	2.94	54%
0.0033	21.30	42%	6.67	56%
0.0016	25.75	17%	9.36	29%
0.0008	31.78	19%	18.51	49%