Try these links - they may be a bit basic, but they'll get you started. http://pergatory.mit.edu/perg/resources/Design%20Optimization%20using%20ProMECHANICA.htm http://www.me.uvic.ca/~mech410/Structure%20Analysis%20in%20ProE.pdf http://www.me.cmu.edu/academics/courses/NSF_Edu_Proj/Wildfire_short_course/TutorialSeries/bridge_structure.htm http://www.tsdengineering.com/