- 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 150 lbf load in the X direction to the four nodes at the top of the tower.
- Apply the force at frequencies of 10, 15, and 25 Hz and at the first five natural frequencies.
- Specify a damping ratio of 0.01.
Next