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Simulating the Dynamic Escape Process in Large Public Places

Published: 01 December 2014 Publication History

Abstract

Pedestrian dynamics plays an important role in public facility design and evacuation management. During an escape process from a large public space, crowd behavior is a collection of pedestrian exit/route choice behavior, and movement behavior. Modelling such an escape process is an extremely complex challenge. In this paper, an integrated macro-micro approach is developed to simulate the escape process. An analysis of the simulation reveals the mechanisms of the formation of crowd congestion and flow distribution. At the macroscopic level, a mathematical model, based on the concept of the dynamic user optimal DUO criterion, is formulated to describe the pedestrian exit/route choice behavior. A method based on the fundamental diagram and point-queuing theory is developed to estimate the pedestrian escape time. At the microscopic level, a modified social force model is adopted to formulate pedestrians' dynamic movements during the escape process. A solution algorithm is proposed to solve the macro-micro integrated model and a series of experiments are carried out to validate the proposed model. The simulation results agree with the extracted experimental data. Finally, the integrated model and algorithm are used to simulate the escape process in a large public place. The proposed approach is able to generate the bandwagon effect, bottleneck effect, and route choice patterns.

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Cited By

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  • (2022)On Solving a Class of Continuous Traffic Equilibrium Problems and Planning Facility Location Under CongestionOperations Research10.1287/opre.2021.221370:3(1465-1484)Online publication date: 1-May-2022

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Published In

cover image Operations Research
Operations Research  Volume 62, Issue 6
December 2014
267 pages

Publisher

INFORMS

Linthicum, MD, United States

Publication History

Published: 01 December 2014
Accepted: 01 August 2014
Received: 01 November 2011

Author Tags

  1. dynamic route choice
  2. escape process
  3. large public places
  4. simulation
  5. travel time estimation

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  • (2022)On Solving a Class of Continuous Traffic Equilibrium Problems and Planning Facility Location Under CongestionOperations Research10.1287/opre.2021.221370:3(1465-1484)Online publication date: 1-May-2022

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