DOE role in optistruct MDO DOE role in optistruct MDO kk10CAE (Automotive) (OP) 6 Jan 15 08:35 What is meant by DOE(design of experiments)? how can i use DOE concept in MDO using optistruct? RE: DOE role in optistruct MDO gantovnik (Aerospace) 20 Apr 15 21:50 You can use DOE for selection of most significant design variables. Run DOE before optimization, evaluate your variables, and turn off some of them, because they don't have any significant effect on the solution. The size of you problem and its complexity will be reduced. Another way is to use DOE to populate the response surface in most optimal way, after that you can use response surface instead of real objective or constraint functions, which could be computationally expensive. RE: DOE role in optistruct MDO GregLocock (Automotive) 20 Apr 15 23:36 try http://www.altairhyperworks.com/Product,10,HyperSt... Cheers Greg Locock New here? Try reading these, they might help FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm?