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FDS+Evac: An Agent Based Fire Evacuation Model

In: Pedestrian and Evacuation Dynamics 2008

Author

Listed:
  • Timo Korhonen

    (VTT Technical Research Centre of Finland)

  • Simo Hostikka

    (VTT Technical Research Centre of Finland)

  • Simo Heliövaara

    (Helsinki University of Technology, Systems Analysis Laboratory)

  • Harri Ehtamo

    (Helsinki University of Technology, Systems Analysis Laboratory)

Abstract

Summary In this paper, an evacuation simulation method is presented, which is embedded in a CFD based fire modelling programme. The evacuation programme allows the modelling of high crowd density situations and the interaction between evacuation simulations and state-of-the-art fire simulations. The evacuation process is modelled as a quasi-2D system, where autonomous agents simulating the escaping humans are moving according to equations of motion and decision making processes. The space and time, where the agents are moving, is taken to be continuous, but the building geometry is discretized using fine meshes. The model follows each agent individually and each agent has its own personal properties, like mass, walking velocity, familiar doors, etc. The fire and evacuation calculations interact via the smoke and gas concentrations. A reaction function model is used to select the exit routes. The model is compared to other evacuation simulation models using some test simulations.

Suggested Citation

  • Timo Korhonen & Simo Hostikka & Simo Heliövaara & Harri Ehtamo, 2010. "FDS+Evac: An Agent Based Fire Evacuation Model," Springer Books, in: Wolfram W. F. Klingsch & Christian Rogsch & Andreas Schadschneider & Michael Schreckenberg (ed.), Pedestrian and Evacuation Dynamics 2008, pages 109-120, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-04504-2_8
    DOI: 10.1007/978-3-642-04504-2_8
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