Modeling of Preload Bolted Flange Connection Structure for Loosening Analysis and Detection

Table 9

and under different bolt preload (impact experiment of the connection structure with 6 bolts).

Bolt preload	300 N (two loose bolts)	300 N	3000 N	5000 N
	3.92E5	3.20E5	1.93E5	1.47E5
	1.67	1.18	0.31	—