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

Table 1

Modal properties of the plane frame modelled.

Mode	1	2	3	4	5	6	7	8	9	10	11
Period (s)	2.760	0.866	0.474	0.309	0.222	0.166	0.126	0.099	0.084	0.076	0.069
Natural frequency (rad/s)	2.28	7.26	13.26	20.36	28.33	37.88	49.90	63.42	75.04	82.96	91.65