If you have trouble using COSMOS, just go to www.youtube.com and look up cosmos tutorials. They have a lot of videos that explain certain types of analysis. It is not in-depth knowledge on why it works the way it does but it can provide step-by-step instructions on how to create certain studies.
For instance, understanding airflow through a centrifugal pump:
This is just one of the analysis tools that are available for viewing. They do have other analysis packages that have been recorded so just search through the website.
Computer Aided Technology, Inc.