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

Table 8

TMDI optimization parameters for µ = 0.02 and µ = 0.05 for the structure subjected to the “Christchurch” record.

	β = 5%		β = 10%		Β = 20%		β = 30%		β = 40%		β = 50%
Optimization alternative	ζTMDI	υTMDI	ζTMDI	υTMDI	ζTMDI	υTMDI	ζTMDI	υTMDI	ζTMDI	υTMDI	ζTMDI	υTMDI
µ = 2%
J1	0	0.81	0	0.83	0	0.83	0	0.82	0	0.82	0	0.83
J2	0.05	0.93	0.04	0.94	0.03	0.95	0.03	0.96	0.03	0.96	0.03	0.97
J3	0	0.88	0.5	2	0.5	2	0.5	2	0.5	2	0.5	2
JP	0.04	0.92	0.04	0.93	0.03	0.94	0.03	0.95	0.03	0.96	0.03	0.96
µ = 5%
J1	0	0.82	0	0.83	0	0.85	0	0.85	0	0.85	0	0.85
J2	0.09	0.86	0.08	0.88	0.07	0.9	0.06	0.91	0.06	0.92	0.05	0.93
J3	0	0.83	0	0.9	0.5	2	0.5	2	0.5	2	0.5	2
JP	0.07	0.85	0.07	0.87	0.06	0.89	0.05	0.9	0.05	0.91	0.05	0.92