Mass-load by accelerometers in composite panels
Mass-load by accelerometers in composite panels
(OP)
I am measuring some FRF in a composite panel. I would like to know if somebody knows how to eliminate the accelerometer mass-load effect in my measurement.





RE: Mass-load by accelerometers in composite panels
TTFN
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RE: Mass-load by accelerometers in composite panels
You could use any number of non contacting sensors instead. Laser doppler methods are a nice way for flat panels.
Cheers
Greg Locock
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RE: Mass-load by accelerometers in composite panels
- Steve
RE: Mass-load by accelerometers in composite panels
But the usual test for mass loading is to add one more accelerometer of the same type, possibly even on top of the first one, retest and see if the frequency changes.
If not, you have no appreciable mass-loading effect.