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Ansys Learning Forum Forums Discuss Simulation General Mechanical Response PSD and RMS value Reply To: Response PSD and RMS value

dlooman
Ansys Employee

That's not a narrow band PSD, but yes if you ran a harmonic analysis at 3 hz with the rms value and the same damping you would get a similar result to the 1 sigma PSD value.  I like this analogous solution as a check and also as a way of getting a better feel for what the PSD really is.

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