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Looking for a tech. paper (nat. freqs. of auto bodies)

Looking for a tech. paper (nat. freqs. of auto bodies)

Looking for a tech. paper (nat. freqs. of auto bodies)

(OP)
Fellow engineers,

I'm interested in variability of vehicle natural frequencies due to manufacturing differences on an assembly line.

I remember seeing an applicable paper cited a few years ago, but can't find the source.  I think it was an SAE paper from the mid-1990's.  (No, the SAE website search, and google, et.al. hasn't helped.)

The paper discussed results of several dozen modal tests of similar vehicles.

Any leads?

Thanks,
-Bill Shust, P.E.

RE: Looking for a tech. paper (nat. freqs. of auto bodies)

This seems like something similar, but it is not modal testing. It seems like they measured a structural/acoustic transfer function for about 100 nominally identical vehicles

"Variation of structural-acoustic characteristics of
automotive vehicles"
Kompella, Murty S.;  Bernhard, Robert J.
Noise Control Engineering Journal
Vol 44 (2) 1996 pp 93-99

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