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How to compare the power spectral density simulation curves obtained by fft of adams post-processor on one screen?
Recommend a master's answer for your reference:

My college graduation thesis is also designed by computer simulation, but I designed glass fiber reinforced plastic gas cylinders. At that time, I used ANSYS software of mechanical design to complete it. This software was designed by NASA. Can be your design. But you have to check the relevant experimental parameters. I can bear it when I analyze it with software. You can also use ADAMS software.

ADAMS is a virtual prototype analysis software developed by American MDI company. At present, ADAMS has been adopted by hundreds of major manufacturers in all walks of life around the world. According to the statistics of international market share of 1999 mechanical system dynamics simulation analysis software, the total sales of ADAMS software is nearly 80 million dollars, accounting for 5 1%.