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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › PSD (acceleration, g^2/Hz) to PSD force, N^2/Hz, Random Vibration › Reply To: PSD (acceleration, g^2/Hz) to PSD force, N^2/Hz, Random Vibration

October 3, 2024 at 2:50 pm
dlooman
Ansys Employee

The usual way is to apply the acceleration in the modal which will create a nodal force vector based on the acceleration and then read the nodal force vector in the PSD with the LVSCALE command. Â