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xyz1982
Posts: 3
Registered: ‎12-28-2011
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Rectangular plate natural frequency problem

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02-27-2013 08:30 AM

Hi.

 

I have a problem with the results gained from a natural frequency simulation on a rectangular plate. The results gained are completely different to the ones obtained for the same plate through the theoretical equations. I would be very grateful if someone could take a look at the Inventor file and let me know what I am doing wrong.

 

I have attached a Microsoft Excel file with the results from the theoretical equations using the same material properties. (The frequencies are in rad/s in the Excel spreadsheet whereas they appear in Hz in Autodesk.)

 

The corresponding equations used can be found in the Word file.

 

I am very grateful for your help. Please ask if you need more information or have questions.

 

Thanks,

Sam

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