This paper describes the development of a rubber-like skin Finite Elements Model (FIM) for the Hybrid III headform and an experimental method to determine its material properties. The finite element modeling procedures, using material parameters derived from tests conducted on the headform skin (rubber) material are described. Dynamic responses and computations of Head Injury Criterion (HIC) using the developed headform model show that an Elastic-Plastic Hydrodynamic (EPH) material model of the rubber can be used for headform impact simulations. The results obtained from the headform simulation using EPH rubber material model and drop tower tests of the headform on both a rigid and deformable structure deformable structure will be compared, in order to show the applicability of the EPH model. (A)
Samenvatting