- This tutorial uses the results from the model analyzed in the Truss Tower Natural Frequency - Modal Analysis tutorial. If this tutorial was not completed use the archive file, Truss Tower Modal Results.ach, in your tutorial models folder.
- Apply a g2/Hz versus frequency power spectral density (PSD) curve to the model. This curve is defined in the file, psd.csv , located in your tutorial models folder.
- Apply the PSD in the X direction.
- Specify a damping ratio of 0.05.
Next