Dynamic Performance Analysis of a Curved Cable-Stayed Bridge Based on the Direct Method and the Sensitivity-Based Iterative Method

Table 3

Numerical modal results in comparison to the experimental counterparts.

No.	f exp (Hz)	f FE-ini (Hz)	Δf FE-ini (%)	MAC	f FE-D (Hz)	Δf FE-D (%)	MAC D	f FE-I (Hz)	Δf FE-I (%)	MAC I
1	2.489	2.463	−1.02	0.90	2.476	−0.51	0.91	2.492	0.13	0.92
2	4.833	4.569	−5.47	0.72	5.035	4.18	0.84	4.813	-0.41	0.88
3	5.417	6.100	12.60	0.90	5.743	6.02	0.91	5.633	3.99	0.94
4	7.089	6.951	−1.94	0.82	6.963	−1.77	0.86	6.949	-1.97	0.91
5	8.290	7.223	−12.86	0.69	7.834	−5.49	0.79	7.991	-3.60	0.84
6	10.130	9.484	−6.37	0.89	9.583	−5.40	0.88	9.774	-3.51	0.93
7	11.312	11.335	0.20	0.77	11.42	0.95	0.83	11.372	0.53	0.87

Note: ; ; .