Hi,
I am simulation using the "optimization" analysis trying to replicate the analysis from this paper :
Design Optimization of a Car-Truck Stand
http://www.asee.org/public/conferences/8/papers/3018/view
I have defined the beams as DV without problems, then I define a Objective/Constraint with Max Stress with a Upperlimit of 250MPa (A-36), and when I have tried to simulate, appears this message at Design Optimization Dialog Box
# of Design Variable = 3 # of Performance = 1
Optimization Method = 1 MaxIter = 37
MaxObjChange = 0.010000
** Design Variables **
Design Part# Property Lower Limit Current Value Upper Limit
** AISC Beam Section Type should be same for %d th design list !!
It seems something about the asigning beam section, any idea?
Thanks
Technical Specialist
Nexsys de Colombia