Modeling and Stochastic Model Updating of Bolt-Jointed Structure

Table 7

Updated parameters of substructures.

Parameters	PR 1		PB 1		PR 2		PB 2
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Elastic modulus (GPa)	203.19	8.39	181.61	15.21	201.06	5.91	178.42	28.04
Density (kg·m^−3)	7465.57	259.42	7344.51	220.51	7379.71	221.26	6517.86	525.78
Damping coefficient, (%)	0.0463	0.0026	0.0830	0.0054	0.0427	0.0034	0.0557	0.0028