In the present research, a 3-year-old child human finite element (FE) model has been developed by scaling from a Total Human Model for Safety AM50 human FE model to investigate the potential injury risks from child restraint systems. An ECE R44 sled test was simulated using the human FE model, and results were compared to the test using Hybrid III. An impact shield type CRS was used for investigation. The Hybrid III torso flexed at the lumbar spine since it has a stiff thorax spine box without joints. For the human FE model, the whole thorax flexed around the impact shield. The chest compression of the FE model was 44 mm, which was larger than that of a Hybrid III dummy (40 mm). This result of the human FE model shows that the impact shield of CRS can cause compression injuries to the thorax. For the covering abstract see ITRD E141807.
Samenvatting