This study describes the interaction of impact parameters on peak head acceleration and strain variables for test conditions represented in sport. The Hybrid III 6-year-old child, 5th percentile female, and 50th percentile adult male headforms were subject to parametric tests using a monorail drop tower at four impact velocities (1.5, 3.0, 4.5, and 6.0 m/s), three surfaces (unprotected, protected/helmeted, and well-padded/mat), and four impact locations (frontal, sagittal, combined-plane motions, and a rotationally dominant motion). Scaled finite-element models of the brain were used to obtain peak strains. Regression analyses revealed that compliance produced the greatest increases in head acceleration, while impact velocity was for strain. Smaller headforms were associated with higher responses. Non-uniform trends for impact location were noted and are likely a result of localised headform properties interacting with velocity and compliance. These findings support the need for size-appropriate parameters in the design and development of head protection.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Interaction of impact parameters for simulated falls in sport using three different sized Hybrid III headforms


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2019-05-04


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Cavitation Scaling Experiments With Headforms: Bubble Acoustics

    Chizelle, Y. / Ceccio, S. / Brennan, C. et al. | British Library Conference Proceedings | 1994


    Cavitation Scaling Experiments with Headforms: Bubble Dynamics

    De Chizelle, Y. K. / Ceccio, S. L. / Brennen, C. E. et al. | British Library Conference Proceedings | 1992


    A New Approach to Developing Digital 3-D Headforms

    Viscusi, Dennis / Zhuang, Ziqing | SAE Technical Papers | 2008


    Modeling of EEVC Pedestrian Headforms and Experience with Bonnet Impact Tests

    Constantinou, C. / Giles, A. R. / Green, J. F. | British Library Conference Proceedings | 1994


    Cavitation Noise on Flat-Faced Axisymmetric Headforms and Its Control

    Liu, K. N. / Qian, Z. D. / Liu, K. C. et al. | British Library Conference Proceedings | 1992