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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Multilayer PCB modal analysis first mode natural frequency related. › Reply To: Multilayer PCB modal analysis first mode natural frequency related.

October 13, 2023 at 9:37 am
Erik Kostson
Ansys Employee

 

I think perhaps include some more masses (3 x sensors, and mass of largest electronic components, or circuits) that is missing as this will lower the FE natural freq. By including damping, can also lower the frequencies in FE.

 

All the best

Erik

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