Application of the Improved Multipopulation Genetic Algorithm in the TMD Controlled System considering Soil-Structure Interaction

Table 4

Vibration with and without TMD.

Soil type	Without TMD		With TMD [34]		With TMD		Reduction (%)				% reduction for target function
	(m)	(m/s^2)	(m)	(m/s^2)	(m)	(m/s^2)	With TMD [35]		With TMD
											With TMD [34]	With TMD
Soft soil	0.9588	13.2717	0.7530	12.8784	0.7464	12.8702	21.46	2.96	22.153	3.025	10.72	11.05
Medium soil	1.1326	13.3563	1.0285	12.7977	1.0236	12.748	9.19	4.18	9.800	4.704	6.48	6.88
Dense soil	1.1236	13.1253	1.0231	12.8548	1.0186	12.8501	8.94	2.06	9.345	2.096	5.24	5.44
Fixed base	1.1155	13.1202	1.0217	12.8884	1.0147	12.8737	8.41	1.76	9.036	1.879	4.88	5.17