Direct application of most optimization techniques, especially Multi-Objective Evolutionary Algorithms (MOEAs) that require many response evaluations, is computationally prohibitive for most real-world engineering simulations. In this paper, an approximation-assisted approach to multi-objective optimization of computationally expensive response functions is presented. We employ a Bayesian approach, referred to as Sequential MAXimum Entropy Design (SMAXED), for design of experiments and global approximation of an expensive finite-element model, i.e., crash event simulation of front end of a pick-up truck. The approximation model is optimized using a multi-objective genetic algorithm. It is shown that while the approach dramatically reduces the computational costs, it also finds a good estimate to the Pareto-optimal solution set for such a complex problem.
- Design Engineering Division and Computers and Information in Engineering Division
Bayesian Approximation-Assisted Optimization Applied to Crashworthiness Design of a Pickup Truck
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Farhang-Mehr, A, Azarm, S, Diaz, A, & Ravisekar, A. "Bayesian Approximation-Assisted Optimization Applied to Crashworthiness Design of a Pickup Truck." Proceedings of the ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 29th Design Automation Conference, Parts A and B. Chicago, Illinois, USA. September 2–6, 2003. pp. 503-512. ASME. https://doi.org/10.1115/DETC2003/DAC-48755
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