A Comparative Study on Sensitivity-Based Damage Detection Methods in Bridges

Table 6

Solution time, loops, and RPE of DDMFD method for model 1.

Damage scenario	Speed parameter
	0.1			0.3			0.5			0.7			0.9
	ST (s)	NL	RPE	ST (s)	NL	RPE	ST (s)	NL	RPE	ST (s)	NL	RPE	ST (s)	NL	RPE
M1-1	110.7	176	0.065	103.7	172	0.067	151.1	250	0.118	293.1	300^*	0.243	207.1	300^*	0.830
M1-2	180.6	206	0.079	150.8	165	0.088	109.8	170	0.773	203.3	300^*	0.609	214.9	300^*	0.573
M1-3	92.6	153	0.227	111.3	123	0.096	121.1	194	0.143	106.2	157	0.492	200.1	300^*	0.449
M1-4	118.5	131	0.165	87.3	101	0.078	80.9	130	0.125	155.0	229	0.192	201.7	294	0.242
M1-5	100.6	167	0.107	158.2	191	0.049	168.7	258	0.161	181.3	267	0.254	203.5	300^*	0.670
M1-6	70.1	101	0.253	71.5	102	0.084	114.3	167	0.136	229.1	223	0.275	228.6	300^*	0.257

^*Max number of iterations reached and not converged.