Identification of Torsionally Coupled Shear Buildings Models Using a Vector Parameterization

Table 7

Estimated natural frequencies obtained using estimates , , , and .

and			and
(rad/s)	(%)	(%)	(rad/s)	(%)	(%)
= 10.750	= 12.115	= 0.991	= 10.780	= 12.430	= 1.094
= 11.156	= 11.885	= 0.991	= 11.119	= 11.506	= 1.121
= 14.515	= 0.264	= 1.028	= 15.127	= 4.491	= 1.455
= 31.774	= 6.577	= 1.601	= 31.672	= 6.232	= 2.913
= 32.352	= 5.125	= 1.623	= 32.261	= 4.829	= 2.966
= 44.641	= 3.014	= 2.130	= 44.574	= 2.858	= 4.072
= 48.381	= 4.693	= 2.288	= 48.233	= 4.371	= 4.402
= 49.699	= 2.646	= 2.345	= 49.481	= 2.195	= 4.515
= 61.761	= 1.284	= 2.866	= 61.441	= 0.759	= 5.595
= 63.223	= 0.322	= 2.929	= 62.942	= 0.124	= 5.731
= 68.954	= 0.591	= 3.180	= 68.538	= 0.016	= 6.237
= 71.051	= 1.325	= 3.272	= 70.637	= 1.900	= 6.427
= 71.826	= 0.682	= 3.306	= 71.460	= 1.188	= 6.502
= 88.363	= 2.133	= 4.035	= 87.506	= 3.082	= 7.954
= 99.118	= 9.959	= 4.512	= 98.185	= 10.807	= 8.922
	= 22.445			= 23.091