Abstract
This study was based on the analysis of kinematic and injury differences between current engineering practice and real human injuries. The results showed that ATDs could not accurately evaluate the injury of child occupants, children’s tissues and organs were more vulnerable to injury. The peak intracranial stress of the child occupant was 193 kPa, which was predisposed to moderate concussion. The peak disc stress of the child occupant was 244.8 MPa, which caused severe soft tissue injury to the cervical region. Meanwhile, the lung and heart of the child occupant were severely injured, with the peak stress on the lungs at 1.46 MPa, exceeding the injury threshold by a factor of 91.25. The peak stress in the heart was 561 kPa, 2.2 times above the injury threshold. The safety and protection of child occupants need to be considered from a holistic perspective, and this study could inform future optimisation of injury evaluation criteria for children during vehicle accident.
Published Version
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