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Multiobjective crashworthiness optimization of circular aluminum tubes

Zarei, H.R. / Kröger, M.

AbstractThis research deals with the development of circular aluminum tubes for crashworthiness. The dynamic crash responses of aluminum tubes are determined from the finite element simulation. In order to validate the FE results some dynamic impact test on aluminum tubes are performed. Multiobjective optimization technique is adopted to solve the problem of maximization of absorbed energy and specific absorbed energy of tubes. The D-optimal design of experiments [Atkinson AC, Donev AN, Optimum experimental designs. Oxford: Oxford Science Publications; 1992] and the response surface method are applied to construct an approximated design sub-problem and the optimization process is repeated until the convergence criteria are satisfied.

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Multiobjective crashworthiness optimization of circular aluminum tubes

Zarei, H.R. / Kröger, M.

AbstractThis research deals with the development of circular aluminum tubes for crashworthiness. The dynamic crash responses of aluminum tubes are determined from the finite element simulation. In order to validate the FE results some dynamic impact test on aluminum tubes are performed. Multiobjective optimization technique is adopted to solve the problem of maximization of absorbed energy and specific absorbed energy of tubes. The D-optimal design of experiments [Atkinson AC, Donev AN, Optimum experimental designs. Oxford: Oxford Science Publications; 1992] and the response surface method are applied to construct an approximated design sub-problem and the optimization process is repeated until the convergence criteria are satisfied.

Multiobjective crashworthiness optimization of circular aluminum tubes

Zarei, H.R. / Kröger, M.

AbstractThis research deals with the development of circular aluminum tubes for crashworthiness. The dynamic crash responses of aluminum tubes are determined from the finite element simulation. In order to validate the FE results some dynamic impact test on aluminum tubes are performed. Multiobjective optimization technique is adopted to solve the problem of maximization of absorbed energy and specific absorbed energy of tubes. The D-optimal design of experiments [Atkinson AC, Donev AN, Optimum experimental designs. Oxford: Oxford Science Publications; 1992] and the response surface method are applied to construct an approximated design sub-problem and the optimization process is repeated until the convergence criteria are satisfied.

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Title:

Multiobjective crashworthiness optimization of circular aluminum tubes

Contributors:

Zarei, H.R. (author) / Kröger, M. (author)

Published in:

Thin-Walled Structures ; 44 ; 301-308

Publication date:

2006-03-20

Size:

8 pages

ISSN:

DOI:

https://doi.org/10.1016/j.tws.2006.03.010

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Circular aluminum tubes , Dynamic crash , D-optimal design of experiments , Multiobjective optimization

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