Links to other sites
You may find some of these links to other sites interesting
If you need to have some stress analysis done on your part to understand why it is breaking or to tell whether it will break, this is where you should go.
If you have Creo Simulate or Pro/Mechanica and you need basic or advanced training or any kind of help to be able to overcome problems using it then go to this site
The Product Development Management Association
The official site of Stage-Gate®
The International Council on Systems Engineering