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

Table 7

TMDI optimization parameters for µ = 0.02 and µ = 0.05 for the structure subjected to the “El Centro” 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	0.99	0	0.99	0	0.98	0	0.98	0	0.98	0	0.98
J2	0.04	0.97	0.03	0.97	0.02	0.98	0.01	0.98	0.01	0.99	0.01	0.99
J3	0.5	2	0	1.09	0.01	1.05	0	1.02	0	1.03	0	1.04
JP	0	0.99	0.03	0.97	0.02	0.98	0.01	0.99	0	0.99	0	1
µ = 5%
J1	0	1	0	1	0	0.99	0	0.99	0	0.99	0	0.99
J2	0.06	0.94	0.05	0.95	0.05	0.96	0.05	0.96	0.05	0.97	0.04	0.97
J3	0.5	2	0.5	2	0.15	1.1	0.13	1.09	0.15	1.05	0.14	1.04
JP	0	1	0	1	0.05	0.96	0.05	0.97	0.04	0.97	0.04	0.98