Research on a previous train collision clarified the occurrence of a pattern whereby passengers sitting on a bench seat sustained chest injuries caused by the dividers installed to the side of the seat. Numerical simulations were performed under several conditions to estimate the likelihood of thoracic injuries fitting this pattern. According to the results, rib deformation caused to passengers by panel-type side dividers is less than that caused by the tubular type, meaning that fewer thoracic injuries occur with the panel-type divider. An impact test was also performed to verify the results of these numerical simulations. Previous train collision research clarified that injury patterns depend on car interiors, and in particular on the type of seat. Accident data relating to bench seats were therefore reclassified, and confirmed the pattern whereby passengers sitting at the end of bench seats suffered chest injuries due to the adjacent dividers. Numerical simulations of this pattern were conducted using a Finite Element Method human model.
Behaviour analysis of passengers on bench seats in a train collision recent activities about passive safety in Japan
2011
10 Seiten, 13 Bilder, 1 Tabelle, 4 Quellen
Conference paper
English
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