- #1
ncr7
- 41
- 0
So I have been trying to figure out how much an object is displaced when subjected to certain frequencies. If I know the modal frequency and max displacement at modal frequency can I find displacement at any frequency?
I was thinking maybe using ratios you could do the following,
modal frequency: f_modal
actual frequency: f_actual
Displacement at modal frequency: d_modal
Displacement at actual frequency: d_actual
d_actual = (f_actual/f_modal)*d_modal
Would this be correct?
The output kind of makes sense I guess...
say if your modal frequency is 2548.67 Hz creates 14.89mm displacement, and you want to know at 15 Hz. Giving a displacement of .08 mm.
I was thinking maybe using ratios you could do the following,
modal frequency: f_modal
actual frequency: f_actual
Displacement at modal frequency: d_modal
Displacement at actual frequency: d_actual
d_actual = (f_actual/f_modal)*d_modal
Would this be correct?
The output kind of makes sense I guess...
say if your modal frequency is 2548.67 Hz creates 14.89mm displacement, and you want to know at 15 Hz. Giving a displacement of .08 mm.