Design of a Tuned Mass Damper Inerter (TMDI) Based on an Exhaustive Search Optimization for Structural Control of Buildings under Seismic Excitations

Table 3

Response of the uncontrolled structure when it is excited by “El Centro” earthquake.

Storey	Maximum displacement (m)	RMS value of the displacement (cm)	Maximum velocity (m/s)	RMS value of the velocity (m/s)	Maximum acceleration (m/s^2)	RMS value of the acceleration (m/s^2)	Peak interstorey drift (m)	Peak interstorey drift ratio (%)
1	0.0280	0.010	0.1840	0.0449	6.6264	1.2309	0.028	1.03
2	0.0801	0.029	0.4587	0.1186	6.4825	1.4594	0.052	1.92
3	0.1552	0.058	0.7369	0.2011	6.8048	1.5785	0.078	2.86
4	0.2115	0.079	0.8449	0.2435	6.3304	1.5164	0.056	2.07
5	0.2583	0.098	0.9443	0.2705	5.4689	1.4371	0.062	2.27
6	0.2936	0.114	1.0937	0.2916	5.8672	1.4158	0.067	2.46
7	0.3167	0.128	1.1427	0.3107	6.8367	1.4372	0.063	2.33
8	0.3449	0.140	1.0857	0.3297	6.7817	1.3921	0.055	2.01
9	0.3812	0.150	0.8938	0.3523	5.6421	1.3339	0.047	1.73
10	0.4070	0.157	1.0476	0.3806	5.5950	1.4714	0.040	1.48
11	0.4253	0.162	1.3226	0.4096	7.5865	1.9869	0.029	1.06