Multidimensional Seismic Control by Tuned Mass Damper with Poles and Torsional Pendulums

Table 3

Average damping ratio comparison of TMD and TMDPP.

	Type and direction
Damping ratio (%)	Traditional TMD			TMDPP
			Torsional			Torsional
Amplitude of displacement	12.21	10.55	−0.29	33.24	40.36	35.43
Energy of displacement	16.96	25.36	14.38	69.94	73.25	71.67
Amplitude of acceleration	5.16	−3.72	17.4	40.62	72.86	27.15
Energy of acceleration	2.19	12.82	8.86	25.28	60.49	38.35