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

Table 7

Comparison of the experimental and numerical data for the updated FE models with two parameters.

No.	Mode	f 2010 (Hz)	f FE-ini (Hz)	ΔfFE-ini (%)	MAC	f FE-D (Hz)	ΔfFE-D (%)	MACD	f FE-I (Hz)	ΔfFE-I (%)	MACI
1	B1	0.64	0.62	−2.5	0.96	0.62	−2.9	0.96	0.642	1.1	0.96
2	B2	1.00	0.91	−9.2	0.96	0.89	−10.8	0.96	0.96	−3.6	0.96
3	B3	1.14	1.10	−4.2	0.98	1.09	−4.5	0.98	1.133	−0.9	0.98
4	T1	1.39	1.38	−0.8	0.89	1.38	−0.9	0.91	1.433	3.3	0.92
5	M1	1.52	1.44	−5.4	0.96	1.44	−5.3	0.96	1.517	−0.4	0.96
6	T2	1.60	1.50	−6.5	0.88	1.50	−6.5	0.88	1.6	−0.1	0.88
7	B4	1.95	1.95	0.0	0.97	1.95	0.0	0.97	2.076	6.3	0.97
8	T3	2.64	2.53	−4.3	0.84	2.53	−4.2	0.87	2.704	2.5	0.82
9	T4	3.17	2.83	−10.7	0.93	2.83	−10.7	0.93	3.171	−0.1	0.94
10	T5	4.05	3.95	−2.6	0.95	3.94	−2.8	0.94	4.182	3.2	0.95
11	T6	4.93	4.77	−3.2	0.91	4.78	−3.2	0.91	5.034	2.1	0.91
12	T7	5.60	5.46	−2.4	0.95	5.47	−2.3	0.95	5.759	2.9	0.95
13	T8	6.83	6.67	−2.3	0.89	6.66	−2.4	0.90	7.006	2.6	0.92