Damage estimation for infant

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Some typical example in the dynamic problem of infant body and brain are investigated. As the typical example of this disease, two case of dynamic input is considered. One of them is the crash impact for child sitting on the child restrain sheet(CRS). To decrease the impact value, an idea to use active control of harness tension is investigated. Based on the computer simulation, total value of injury can be reduced. On the other hand, infant brain injury for shaking syndrome is investigated based on excitation test for dummy and simulation using precise FEM head model. Critical value of vibration input is clarified to prevent the infant brain based on this investigation.