FDS+Evac: An Agent Based Fire Evacuation Model

Timo Korhonen (Corresponding author), Simo Hostikka, Simo Heliövaara, Harri Ehtamo

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


    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.
    Original languageEnglish
    Title of host publicationPedestrian and Evacuation Dynamics 2008
    EditorsWolfram W.F. Klingsch, Christian Rogsch, Andreas Schadschneider, Mikael Schreckenberg
    Place of PublicationBerlin
    ISBN (Electronic)978-3-642-04504-2
    ISBN (Print)978-3-642-04503-5
    Publication statusPublished - 2010
    MoE publication typeA4 Article in a conference publication
    Event4th International Conference on Pedestrian and Evacuation Dynamics (PED 2008) - Wuppertal, Germany
    Duration: 27 Feb 200829 Feb 2008


    Conference4th International Conference on Pedestrian and Evacuation Dynamics (PED 2008)


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