A viscoelastic neck structure that responds to impact environments in a manner similar to the human neck is described. The neck structure consists of four ball-jointed segments and one pin-connected “nodding” segment with viscoelastic resistive elements inserted between segments that provide bending resistance as well as the required energy dissipation. Primary emphasis was placed on developing appropriate flexion and extension responses with secondary emphasis placed on axial, lateral, and rotational characteristics. The methods used to design the resistance elements for the neck structure are discussed.Three variations of the resistive elements have been developed that meet the response characteristics based on the data of Mertz and Patrick. However, no single resistive element has satisfied the flexion and extension characteristics simultaneously, but such an element appears to be feasible.Additional efforts are required to assure proper performance when used in conjunction with a total dummy structure under a wider range of test conditions and to establish the durability required for this neck to serve as an adequate compliance test device.


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    Title :

    Mechanical Necks with Humanlike Responses


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    16th Stapp Car Crash Conference (1972) ; 1972



    Publication date :

    1972-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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