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

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