Sensitivity to Damage Imperfection for Multileaf Masonry Walls Based on Vibrational Analyses

Table 4

Comparison between numerical and experimental frequencies.

Mode of vibration	B1 (Hz)	FEM (Hz)	B2 (Hz)	B3 (Hz)	FEM (Hz)
1^st	6.4	6.3	3.1	3.6	3.4
2^nd	16.9	14.4	7.4	6.7	6.9
3^rd	21.3	16.5	18.3	14.8	12.0
4^th	41.0	50.7	35.6	36.1	37.5
5^th	58.1	65.4	41.7	43.2	43.4
6^th	76.4	81.5	53.7	48.7	48.6