Analytical Simulation of 3D Wind-Induced Vibrations of Rectangular Tall Buildings in Time Domain

Table 4

First period [s] of the N-story shear building in each direction: D/B = 1.

	N	Translational in x-direction	Translational in y-direction	Torsional
2	15	1.31	1.31	1.01
4	30	2.61	2.61	2.02
6	45	3.92	3.92	3.03
8	60	5.22	5.22	4.04