Abstract
Time-continuous models need to set a value of time-step to simulate a process using a computer. The assumed size of a time-step influences the computational performance. But not only a quick calculations is a criterion. The other one is the reliability of the simulation results. The discretization of time in computer simulation of pedestrian movement is considered in the paper. We consider a discrete-continuous approach which is becoming popular nowadays. Both aspects are investigated for the time-continuous SigmaEva pedestrian dynamics model. We use fundamental diagrams as a measure to estimate the simulation quality. It is shown that short and long time-steps are not reasonable.
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Kirik, E., Vitova, T. Time discretization in the time-continuous pedestrian dynamics model SigmaEva. Nat Comput 21, 407–415 (2022). https://doi.org/10.1007/s11047-022-09894-2
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DOI: https://doi.org/10.1007/s11047-022-09894-2
Keywords
- Pedestrian simulation
- Discrete-continuous model
- Fundamental diagram
- Flow rate
- Time discretization
- Time-step
- Person's size