Frontal, side, rear, pole and offset car to car data sets are examined using familiar damage analysis models: constant stiffness, bilinear stiffness, and force saturation. In addition to these, a non-linear power-law formulation is introduced and compared to the others. The power-law provides a nonlinear stiffness coefficient that transitions between a constant force model and constant stiffness model as the power goes from 0 to 1. It also provides a continuous, single valued function that is easily integrated and used in the analysis. Power-law nonlinearity can be used to smoothly fit low through high crush data.Geometric integral parameters are developed which represent irregular crush profiles. These permit graphical comparison of tests with non-uniform crush data (such as offset, side, and narrow object) with uniform crush test data. They also provide a means for comparison of accident damage with the test data set.Force–deflection data supplements energy–residual crush data to define non-linear crush stiffness coefficients for accident reconstruction damage analysis. Improved modeling results for both low crush levels and for extrapolation to damage profiles well beyond the test data level. Load cell barrier data is provided in some NCAP frontal barrier tests in the NHTSA database.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Non-Linear Damage Analysis in Accident Reconstruction


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE 2001 World Congress ; 2001



    Erscheinungsdatum :

    2001-03-05




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Non-linear damage analysis in accident reconstruction

    Woolley,R.L. / Woolley Engineering Research,US | Kraftfahrwesen | 2001


    2001-01-0504 Non-Linear Damage Analysis in Accident Reconstruction

    Woolley, R. L. / Society of Automotive Engineers | British Library Conference Proceedings | 2001


    Roadway asphalt damage force analysis for accident reconstruction

    Warner,M.H. / Warner,C.Y. / Crosby,C.L. et al. | Kraftfahrwesen | 2008


    Roadway Asphalt Damage Force Analysis for Accident Reconstruction

    Crosby, Charles L. / Warner, Charles Y. / Warner, Mark H. | SAE Technical Papers | 2008


    Roadway Asphalt Damage Force Analysis for Accident Reconstruction

    Warner, M.H. / Warner, C.Y. / Crosby, C.L. et al. | British Library Conference Proceedings | 2008