Comparative analysis of two evacuation simulation tools when applied to high-rise residential buildings

毒物控制 运输工程 工程类 人为因素与人体工程学 计算机科学 法律工程学 建筑工程 环境卫生 医学
作者
Michael Spearpoint,M Arnott,Hui Bing Xie,S. Gwynne,Anne Templeton
出处
期刊:Safety Science [Elsevier BV]
卷期号:175: 106515-106515 被引量:1
标识
DOI:10.1016/j.ssci.2024.106515
摘要

Currently there are numerous emergency evacuation simulation tools with varying levels of sophistication and differing capabilities. It is expected that investigating the same scenarios using different tools might not give the same outcome. This paper illustrates how a microscopic agent-based modelling tool (Pathfinder) and a macroscopic flow-based modelling tool (Evacuationz) can be setup to investigate high-rise residential building evacuations in comparable ways by varying configuration parameters. Both tools represent individual agents with associated characteristics (e.g., walking speed and pre-evacuation delay). These are varied in the scenarios examined to stress-test the designs or explore the impact of design/procedural changes. The two tools differ in how they deal with the building geometry and therefore have different algorithms to manage evacuee movement. In this work, assumed performance parameters (e.g., travel speeds, spacing, etc.) have been calibrated to better align the conditions represented in the tools and the outcomes produced across the scenarios examined. This then allows the tools to function at their respective levels of sophistication and granularity (providing different perspectives on performance) but adopt a more equivalent performance baseline given the calibration effort. The use of two tools increased confidence in the predictions, and also allowed for an examination of a wider range of scenario conditions such as number of stairs, stair width, and building size, given the different computational expense associated with the tools.
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