Tutorial

1Design Optimization Tutorial Previous Index Next1 ContentsThis tutorial will allow the construction of a complete process flow on a simple case.The problem is related to the optimization of a welded beam, with references to: • minimum cost • minimum deflection at beam end • satisfying constraints related to admissible stress Source code is provided to allow compilation on any platform (a C compiler is required) • 1.1 Problem definition• 1.2 Starting the system• 1.3 Design Logic Creation• 1.4 Handling Input Data• 1.5 Handling Output Data• 1.6 Actions Creation• 1.7 Creating Constraints• 1.8 Creating Objectives• 1.9 Design of Experiment• 1.10 Scheduler (Optimizer)• 1.11 Run• 1.12 AssessmentPrevious Top Next© ES.TEC.O. S.r.l.− ENGIN SOFT TECNOLOGIE PER L'OTTIMIZZAZIONE 2Design Optimization Tutorial Previous Index Next1.1 Problem definitionAs a general remark the user should think carefully to what are the free parameters of the problem and what are themeasurable quantities of it.In this case the beam to be optimized is the one shown in Fig. T1.1.1. Input Data • 5 geometricalparameters(L, S, H,T, B) • Load Value (F) • Young Module(Young) • Material Costper Volumeunit (Mc) • Wel Cost perVolume unit(Wc) Output Data • Displacementat the end ofthe Beam(Disp) • Max ShearStress (MaxS) • Max NormalStress (MaxT) • MaterialVolume(Mvol) • Weld Volume(Wvol) Fig. T1.1.1: a case of study.It is a rectangular section beam welded ...