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.
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Korhonen, T., Hostikka, S., Heliövaara, S., Ehtamo, H. (2010). FDS+Evac: An Agent Based Fire Evacuation Model. In: Klingsch, W., Rogsch, C., Schadschneider, A., Schreckenberg, M. (eds) Pedestrian and Evacuation Dynamics 2008. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04504-2_8
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DOI: https://doi.org/10.1007/978-3-642-04504-2_8
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