Abstract
We present a macroscopic model for pedestrian movement and its implementation. The focus is on the simulation of multiple interacting pedestrian streams. The number of different species is potentially unrestricted. Tunability is provided by parameters common to all pedestrian species as well as species-specific parameters.
The primary goal of our model is the description of pedestrian motion in non-panic circumstances but we expect that an extension to panic scenarios is feasible.
The implementation uses a finite volume method in order to enforce mass conservation, and method-specific optimizations model certain aspects of pedestrian behavior. Furthermore, we apply a set of heuristics to obtain a particularly simple model.
The intent to simulate human crowds in realistic environments implies the need to manage arbitrary domain and cell shapes. Development flexibility suggests to use open source code. These requirements, and its code maturity, made OpenFOAMⓇ our choice to base the implementation on.
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References
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Acknowledgements
The authors gratefully acknowledge the support of Deutsche Forschungsgemeinschaft (German Research Foundation) for the project SCHW548/5-1 + BA1189/4-1.
An invaluable contribution to this research has been committed by the open source software community. Notably, we used OpenFOAMⓇ by the OpenFOAM Team at Silicon Graphics International Corp. for the simulations and ParaView, supported by Kitware and several collaborators, octave and gnuplot for the processing and visualization of the results.
Finally, we would like to thank the organizers of the 6th International Conference on Pedestrian and Evacuation Dynamics 2012, ETH Zurich, Switzerland.
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Huth, F., Bärwolff, G., Schwandt, H. (2014). A Macroscopic Multiple Species Pedestrian Flow Model Based on Heuristics Implemented with Finite Volumes. In: Weidmann, U., Kirsch, U., Schreckenberg, M. (eds) Pedestrian and Evacuation Dynamics 2012. Springer, Cham. https://doi.org/10.1007/978-3-319-02447-9_49
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DOI: https://doi.org/10.1007/978-3-319-02447-9_49
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