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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 103
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON SOFT COMPUTING TECHNOLOGY IN CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING Edited by: Y. Tsompanakis
Paper 31
Optimization of an Architectural Floor Plan for a Smooth Crowd Flow M. Zawidzki and K. Nishinari
Research Center for Advanced Science and Technology
M. Zawidzki, K. Nishinari, "Optimization of an Architectural Floor Plan for a Smooth Crowd Flow", in Y. Tsompanakis, (Editor), "Proceedings of the Third International Conference on Soft Computing Technology in Civil, Structural and Environmental Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 31, 2013. doi:10.4203/ccp.103.31
Keywords: pedestrian dynamics, agent based modeling, semi-totalistic two-dimensional cellular automaton, design support, digitized floor plan.
Summary
This paper presents a new methodology for improving an architectural floor plan for more uniform crowd flow, in other words for reducing the congestion and the size of unused areas. Such a floor plan is discretized on a square coarse grid which contains 'empty' spaces where agents can appear in the course of a crowd simulation and two kinds of wall elements: modifiable and fixed. A group of agents traverse the layout according to a given scenario. The frequencies of the
agents' visits in particular cells are recorded in the, so called, heat map (HM). The HM is then combined with the layout and becomes the environment for semi-totalistic two-dimensional cellular automaton, which 'melts' modifiable wall cells if the values of HM in the neighboring cells exceeds a certain threshold and creates wall cells in the most un-visited void cells. The methodology is illustrated with a study of the layout of a medium size retail shop.
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