A Comparative Study of Non-traditional Methods for Vehicle Crashworthiness and NVH Optimization |
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Authors: | Morteza Kiani Ali R Yildiz |
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Affiliation: | 1.Engineering Technology Associates Inc. (ETA),Troy,USA;2.Mechanical Engineering Department,Bursa Technical University,Bursa,Turkey |
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Abstract: | In this paper, metamodeling and five well-known metaheuristic optimization algorithms were used to reduce the weight and improve crash and NVH attributes of a vehicle simultaneously. A high-fidelity full vehicle model is used to analyze peak acceleration, intrusion and component’s internal-energy under Full-Frontal, Offset-Frontal, and Side crash scenarios as well as vehicle natural frequencies. The radial basis functions method is used to approximate the structural responses. A nonlinear surrogate-based mass minimization was formulated and solved by five different optimization algorithms under crash-vibration constraints. The performance of these algorithms is investigated and discussed. |
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