Identification of Torsionally Coupled Shear Buildings Models Using a Vector Parameterization

Table 1

Natural frequencies of the structure.

rad/s	Hz
= 9.588	= 1.526
= 9.971	= 1.587
= 14.476	= 2.304
= 29.814	= 4.745
= 30.775	= 4.898
= 43.335	= 6.897
= 46.213	= 7.355
= 48.418	= 7.706
= 60.978	= 9.705
= 63.020	= 10.030
= 68.550	= 10.910
= 72.005	= 11.460
= 72.319	= 11.510
= 90.289	= 14.370
= 110.081	= 17.520