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
Â
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.
Â
All the best
Erik
Â