Selection of Optimal Design Parameters to Achieve Improved Occupant Performance in Frontal Impacts

Sairama Narayana Peddi

doi:10.4271/2013-01-0756

Crashworthiness enhancement of vehicle structures is a very challenging task during the early design development process. Major factors influencing occupant injury in frontal impact are vehicle front crush space, crash pulse severity, restraint properties and occupant packaging space. This paper establishes a methodology to define suitable criterion that will guide the designers to select the optimal values of the above mentioned parameters during the early phase of the vehicle development. The usage of lumped mass models, pulse characterization techniques were explored to validate the results. Efficient crash energy management, the concepts of ride down and restraint efficiency parameters were also discussed in the paper.

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Selection of Optimal Design Parameters to Achieve Improved Occupant Performance in Frontal Impacts 2013-01-0756

SAE MOBILUS