Hi,
there are a lot of things there: http://www.mscsoftware.com/training_videos/patran/reverb3/index.html#page/PCL%2520Reference%2520Manual/pcl_reference_title.html
There are tutorial too: http://www.scc.kit.edu/scc/sw/msc/Pat304/pat304.html
I hope it will help you!
Bye