Title |
Sensitivity Analysis of Physical and Psychological Attributes of Activity Based Models for Evacuation Simulations, Using buildingEXODUS |
Authors |
Yoon Seong-Hwan ; Yee Jurng-Jae ; Lee Min-Jung |
Keywords |
Disaster Prevention ; Crowd Behavior ; Activity Based Model ; Evacuation Simulation ; Sensitivity Analysis |
Abstract |
This study aims to analyze how sensitive the attributes of the activity based model are, by simulations. Activity based models can be used to reflect occupants' behavior during evacuation in emergencies. Physical and psychological attributes are selected for the sensitivity analysis, these attributes are mobility, travel speed, agility, response time, drive and patience. The total evacuation time, or simulation results, are analyzed statistically. The results show that mobility responds most sensitively at the level of 0.10 and 0.19, while travel speed turned out most sensitive at the level of 1.00m/s and 1.90m/s. As response time increases, the total evacuation time increases linearly. As the drive range becomes narrower, the average cumulative time increases about 5 seconds, but this does not appear to affect the increase in the total evacuation time. At last, agility and patience turned out to be rather less effective to the results. |