How do I use bolt connectors in a Modal Frequencies simulation?

How do I use bolt connectors in a Modal Frequencies simulation?

diogenesL2MYR
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How do I use bolt connectors in a Modal Frequencies simulation?

diogenesL2MYR
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How am I supposed to use bolt connectors in my Modal Frequency simulation if in this link it says

"Note: While using a bolt connector it is important to manually update contacts. By default the automatically applied contact is Bonded, in most cases the contact between bodies held together by bolts should be Separation", but Separation is not an actual option in Modal frequencies analysis, as said in this link ("This contact type is not available for Modal Frequencies analysis"). In fact, I only have available either Bonded or Offset Bonded in my study to select.

 

And according to here, bolt connectors should be available for modal frequencies simulation.

 

What am I missing?

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kacper.suchomski
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I'm not sure if bolted joints are intended for modal analysis.

Please note that the connectors available in Nastran are not the actual objects being analyzed, but merely information about the relationships between the modeled elements, to PREVENT analyzing the actual connectors and thus speed up the process.


Kacper Suchomski

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