计算机模拟仿真是城市公共安全应急研究的重要手段。对当前城市灾害数字仿真和应急响应模拟中使用的主要技术方法进行了评述,提出了基于地理模拟系统理论和动态数据驱动应用系统技术范式为基础的城市公共安全应急响应模拟系统框架,对系统涉及的关键技术进行了分析,为建立服务于应急响应过程的动态模拟系统及新的城市应急评价体系及城市安全规划模式探索了技术途径。 Computer simulation is an important means of urban public safety emergency research. This paper reviews the main technical methods used in the present digital simulation and emergency response simulation of urban disasters and puts forward the framework of emergency response simulation system of urban public safety based on the theory of geographic simulation system and the dynamic data driven application system technology paradigm. The key technologies are analyzed, and the technical approaches are explored for establishing a dynamic simulation system serving the emergency response process, a new urban emergency evaluation system and a city safety planning model.