HYDRAULIC EXPERIMENT FOR DEVELOPMENT OF BIPEDAL WALKING MODEL ON DEM-BASED CROWD BEHAVIOR SIMULATOR

Abstract

 Evacuation planning against tsunami inundation is actively investigated. In the inundation planning, numerical simulations for crowd evacuation will be one of the key tool to determine suitable evacuation routes. Authors have been developed the crowd behavior simulator based on the DEM. In the conventional simulator, the behavior of each human element has been described with a translational motion of unit cylinder, and the vertical motion of legs has been neglected for simplification of human modelling. With considering the actual walking process, authors have tried to develop the bipedal model by modifying the unit cylinder model. In this study, hydraulic experiments for walking process in the inundated water condition below knee have been performed to collect fundamental data for modelling of the bipedal motion. Differences between the conventional unit cylinder model and the newly developed bipedal model are shown by comparison of numerical results to the pedestrian contra flows under inundated condition.