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基于GIS的火灾安全疏散模拟

, PP. 49-55

Keywords: 火灾,疏散模拟,GIS,FDS,人员建模

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Abstract:

为综合描述场景的关键要素,加强模拟的真实性,基于GIS技术,针对火灾场景下的人员疏散提出了模拟模型。借助GIS缓冲区分析与拓扑分析等功能,实现了初始化场景解析、实时空间分析等流程,可以对任意模拟时间步火灾、人员、建筑环境等要素的分布特征信息进行提取。为人员模型制定了基于空间信息的疏散策略,模拟人员的环境感知能力与分析判断能力。设计并实现了GIS模型至FDS模型的转换接口,维护了GIS模型与FDS模型的一致性,提高了建模效率。在模型基础上,研制了人员疏散模拟系统。应用实例说明了模型对环境各要素的描述能力及对

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