A static test method to assess swivel seat strength in frontal impact

R. Preston, Giuseppina Amato, M. Lyons, C. Simms

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    3 Citations (Scopus)
    1249 Downloads (Pure)


    Mechanical swivel seat adaptations are a key aftermarket disability modification to any small-to medium-sized passenger vehicle. However, the crashworthiness of these devices is currently unregulated and the existing 20g dynamic sled testing approach is prohibitively expensive for prototype assessment purposes. In this paper, an alternative quasi-static test method for swivel seat assessment is presented, and two different approaches (free-body diagram and multibody modelling) validated through published experimental data are developed to determine the appropriate loading conditions to apply in the quasi-static testing.Results show the two theoretical approaches can give similar results for estimating the quasi-static loading conditions, and this depends on the seatbelt configuration. Application of the approach to quasi-static testing of both conventional seats and those with integrated seat belts showed the approach to be successful and easy to apply. It is proposed that this method be used by swivel seat designers to assess new prototypes prior to final validation via the traditional 20g sled test.
    Original languageEnglish
    Pages (from-to)469-483
    Number of pages15
    JournalInternational Journal of Crashworthiness
    Issue number5
    Early online date13 May 2014
    Publication statusPublished - Sep 2014


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