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

Table 6

Target values, reference/initial values, and updated values by the different methods.

Parameters		Direct method, round 1			Direct method, round 2
	Target (GPa)	Ref. (GPa)	Results (GPa)	Relative error (%)	Ref. (GPa)	Results (GPa)	Relative error (%)
E c	33	31	32.22	−2.38	34.65	36.3	10
E s	205	210	225.5	10	215.3	196.8	−4
Parameters		Iterative method, round 1			Iterative method, round 2
	Target (GPa)	Ini. (GPa)	Results (GPa)	Relative error (%)	Ini. (GPa)	Results (GPa)	Relative error (%)
E c	33	31	32.19	−2.44	34.65	32.67	−1.00
E s	205	210	196.20	−4.29	215.3	202.7	−1.12