Dynamic Property of a New Type of Postearthquake Temporary Prefabricated Lightweight Steel Structure

Table 4

Frequency obtained with the forced vibration method and finite element method (Hz).

Vibration mode		Forced vibration method	Finite element method	Difference
In X direction	First order	16.724	16.9137	−1.13%
	Second order	48.339	44.0106	8.95%
In Y direction	First order	10.986	11.0617	−0.69%
	Second order	32.684	33.7984	−3.41%