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빌딩엑소더스를 통한 피난시뮬레이션에 있어 적정 시뮬레이션 반복횟수 도출과 적용
이민정(Lee Min-Jung),윤성환(Yoon Seong-Hwan),이정재(Yee Jurng-Jae) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
This study aims to discover optimal simulation times in evacuation simulations using buildingEXODUS. After modelling the area, occupants are created according to the cases which are planned by changes of the values of the mobility attribute. In each case, the optimal repetition times are drawn out, and the average of the repetition times of all the cases are decided to be optimal. The optimal repetition times in simulations are defined as the starting point, where the subtraction of the maximum total evacuation times and the minimum total evacuation times repeats same, for at least 5 times continuously. From the simulations in this study, 7 times of the simulations turned out optimal for the reliability of the results. Curve of the average total evacuation times at each value of the mobility attribute fits the equation of ln(y)=6.7553+(0.0140/x), satisfying the R square value of 0.958.
buildingEXODUS를 활용한 행위기반 피난시뮬레이터의 신체 및 심리적 변수에 대한 민감도 분석
윤성환(Yoon Seong-Hwan),이정재(Yee Jurng-Jae),이민정(Lee Min-Jung) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.9
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.