Case scenarios

Crack

Frequency(Hz)

depth (mm)

Location (Sensor No.)

Mode 1

Mode 2

Mode 3

I

II

III

3.0

1.5

0.5

3~4

3~4

3~4

50.50

50.75

50.50

153.00

155.75

157.25

323.75

319.25

322.50