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Frequency Test - errors in the displacement results?

Question asked by Sharon Jackson on Apr 4, 2013
Latest reply on Apr 4, 2013 by Jared Conway

I've been running a frequency test on a lighting fixture.  The results I'm receiving for the first natural frequency appear to be good but I'm getting crazy results for the displacement graph.  I'm expecting to get numbers under 1mm displacement but the results for the maximum are better than 850mm.  Is there something I'm doing wrong with my inputs?  Most of the fixture is constructed of aluminum.


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