United States Department of Transportation
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Optimization of Automobile Crush Characteristics: Technical Report
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1975-10-01
[PDF-4.76 MB]
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NTL Classification:NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Vehicle Design;
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Abstract:A methodology is developed for the evaluation and optimization of societal costs of two-vehicle automobile collisions. Costs considered in a Figure of Merit include costs of injury/mortality, occupant compartment penetration, collision damage repairs, and costs of engineering modifications. The Figure of Merit is developed in a statistical setting, taking into account present (or projected) vehicle population and collision mix statistics, including distributions of vehicle weight/size classes, collision modes, and collision speeds. The methodology is implemented with first-order cost models for the several cost components. Simplified models are utilized for two-vehicle collision dynamics, vehicle force-crush characteristics, and restraint systems. A comp??ter program is developed for the optimization of vehicle force-crush characteristics and crush distance design to minimize th?? Figure of Merit.
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