A study on the bottleneck effect observed in an emergency evacuation exit employed by multi-agent simulation and mean-field approximation analysis

Jun Tanimoto, Aya Hagishima, Yasutaka Tanaka

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

An improved cellular automaton model based on Yanagjsawa & Tomoeda , Nishinari (2007) was established, where both Static Floor Field and collision effect were considered Several model parameters were carefully determined by going through a turning process based on experimental data provided by other previous studies. Both results by simulation based on the model and analytical approach derived from the so-called Mean-Field Approximation proved that the outflow rate from an evacuation exit, usually estimated by the so-called flow coefficient, can be improved by putting appropriate obstacles in front of the exit This is because the appropriate allocation of obstacles can deflate collision probability at the exit by increasing collisions around the obstacles before the exit.

Original languageEnglish
Pages (from-to)753-757
Number of pages5
JournalJournal of Environmental Engineering (Japan)
Volume74
Issue number640
DOIs
Publication statusPublished - Jun 2009

All Science Journal Classification (ASJC) codes

  • Environmental Engineering

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