JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
PAPERS
Optimum Design of Vehicle Frontal Structure and Occupant Restraint System for Crashworthiness
(A Multilevel Approach Using SDSS)
Qiang YUNaoya KOIZUMIHideoki YAJIMAMasaki SHIRATORI
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2001 Volume 44 Issue 4 Pages 594-601

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Abstract

CAE tools have been applied for the crash safety design of vehicles, though they haven’t satisfied the optimum design of vehicles. The authors have proposed a Statistical Design Support System (SDSS), and have found that the SDSS is one of available optimization approaches for the nonlinear and dynamic phenomena. This system is a synthetic design method which is based on the response surface methodology and the design of experiments. In this study, a multilevel optimization approach using the SDSS is presented. This approach is well-suited to large-scale multilevel and multidisciplinary optimization problems, and optimum design of vehicle frontal structure and occupant restraint system for crashworthiness is solved. It is shown that successfully and effectively collaborative optimization for frontal structure and occupant restraint system can be conducted by this new approach.

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© 2001 by The Japan Society of Mechanical Engineers
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