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The Rotated Hexagonal Lattice Model for Pedestrian Flow  

Lee, Jun (연세대학교 도시공학과)
Heo, Min-Guk (연세대학교 도시공학과)
Jeong, Jin-Hyeok (연세대학교 도시공학과)
Publication Information
Journal of Korean Society of Transportation / v.27, no.1, 2009 , pp. 169-177 More about this Journal
Abstract
In this paper, the rotated hexagonal lattice model (RHLM) was proposed, which is applied to pedestrian flow, and developed the simulation model for the pedestrian counterflow. RHLM is an upgrade version of the square lattice model(SLM) and hexagonal lattice model(HLM). The simulation was performed at the hexagonal lattice $20{\times}20$ and evaluated by different speed, density and flow conditions. Simulation results are compared with SLM and show that RHLM can replicate the characteristics of pedestrian traffic more effectively and reliably than any other existing models from several perspectives. First, RHLM can explain the shortest-path movement of pedestrians and more realistic avoidance motion. If they cannot move straight direction, they can move shorter distance from previous position to destination. Second, RHLM reflects the characteristics that the pedestrian can move with higher capacity and the speed of pedestrian flow is hard to zero.
Keywords
Pedestrian flow; Square Lattice; Hexagonal Lattice; Rotated Hexagonal Lattice; CA model;
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