Engineering optimization of a car frontal protection system component

摘要

The study focuses on the design of a car frontal protection system using response surface modelling and a genetic algorithm. The main attention was paid to optimal design of brackets. The analysis of car-pedestrian collision situation was performed using explicit FEA solver and the stiffness analysis of the bracket with implicit FEA solver. Multi-criteria optimal design problem was formulated and the necessary optimality conditions were derived. The obtained numerical results were validated by comparing with experimental test results. An alternative numerical approach was realized using optimization software package LS-OPT.