Abstract
Based on the optimal velocity model, an extended optimal velocity model is proposed to simulate the movement characteristics of multi-types pedestrian queue by considering the differences among pedestrians (e.g., the differences in age and sex, etc.) and the asymmetric interaction. For the random distribution of pedestrian queue, the evolution rules of pedestrian movement and the formation mechanism of space-time pattern under two different boundary conditions are investigated. The numerical simulations show that the model can better describe the space-time distribution of pedestrian movement from microcosmic viewpoint and reproduce such important phenomena as the formation, dispersion of jams and multi-clusters movements.
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