A Study on Instantaneous Time-Frequency Methods for Damage Detection of Nonlinear Moment-Resisting Frames

Table 3

Response of the structure for different intensity levels.

Intensity level	Level 1	Level 2	Level 3	Level 4	Level 5	Level 6	Level 7
Max drift 𝑥-dir.	0.0007	0.0066	0.0110	0.0201	0.0315	0.0546	0.0844
Max drift 𝑦-dir.	0.0016	0.0098	0.0182	0.0356	0.0485	0.0658	0.0891
Max disp. 𝑥-dir.	0.0065	0.0342	0.0669	0.1496	0.2181	0.4473	0.7350
Max disp. 𝑦-dir.	0.0116	0.0501	0.0741	0.2009	0.4241	0.6866	0.8712