Determination of Contact Stiffness and Damping of a Tie-Bolt Rotor with Interference Fits Using Model Updating with Thin-Layer Elements

Table 4

Parameter of tie-bolt M20 and M16 to determine the torque-pretension relationship.

	P (mm)	d2 (mm)			Df (mm)	(m)
M20	2	20	0.6	0.6	26	0.015
M16	1.5	16	0.6	0.6	20.8	0.012