Pedestrian Dynamics simulations using the Social Force Model: emergency situations

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Published 30-04-2021
Ibon Barrio Ugidos Josu Mirena Igartua Aldamiz

Abstract

Pedestrian areas such as underground stations or shopping centres are more often than not overcrowded. In case of emergency, the safety of pedestrians is called into question. As a matter of fact, the analysis of pedestrian flows is highly meaningful. This study is developed following the Social Force Model, a perspective on modelling of crowd dynamics and pedestrian motion. The mathematical formulation, fields of applications, limits and the relation with experimental data have been considered. Moreover, a simulated evacuation of a single-exit room has been analysed, together with the influence of obstacles in the event of an emergency evacuation procedure. It has been proven that placing a wall or a column with special features can help reducing the evacuation time because the obstacles tend to organize the flow. In addition replacing a long wall by a row of columns or small walls can even improve the results.

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Keywords

Social Force Model, Emergency situations, Pedestrians.

Section
Ale Arrunta