Artículos de publicaciones periódicas

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Influence of bottleneck lengths and position on simulated pedestrian egress
(2017-01) Parisi, Daniel; Patterson, Germán
"In this paper, the problem of pedestrian egress under di erent geometries is studied by means of two numerical models. The length of the bottleneck after the exit and the distance of the exit to the lateral wall of a squared room are investigated. Both models show that an increase in the bottleneck length increases the evacuation time by more than 20%, for any exit position. Hence, a bottleneck length tending to zero is the best choice. On the contrary, the results of moving the exit closer to the lateral wall are different in both models and, thus, its convenience cannot be stated. To unveil whether this layout modi cation is favorable, experimental data are required. Moreover, the discrepancy between models indicates that they should be validated considering several scenarios."
Simulating competitive egress of noncircular pedestrians
(2017-04) Cruz Hidalgo, R.; Parisi, Daniel; Zuriguel, Iker
"We present a numerical framework to simulate pedestrian dynamics in highly competitive conditions by means of a force-based model implemented with spherocylindrical particles instead of the traditional, symmetric disks. This modification of the individuals’ shape allows one to naturally reproduce recent experimental findings of room evacuations through narrow doors in situations where the contact pressure among the pedestrians was rather large. In particular, we obtain a power-law tail distribution of the time lapses between the passage of consecutive individuals. In addition, we show that this improvement leads to new features where the particles’ rotation acquires great significance."

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Browsing Artículos de publicaciones periódicas by Subject "DINAMICA DE FLUIDOS"

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