A large number of communities are impacted annually by the increasing frequency of tornado hazards resulting in damage to the infrastructure as well as disruption of community functions.The effect of the hazard geomet...A large number of communities are impacted annually by the increasing frequency of tornado hazards resulting in damage to the infrastructure as well as disruption of community functions.The effect of the hazard geometry(center and angle of tornado path as well as the tornado width)is studied herein on how it influences the recovery of physical and social systems within the community.Given that pre-disaster preparedness including mitigation strategies(e.g.,retrofits)and policies(e.g.,insurance)is crucial for increasing the resilience of the community and facilitating a faster recovery process,in this study,the impact of various mitigation strategies and policies on the recovery trajectory and resilience of a typical US community subjected to a tornado is investigated considering different sources of uncertainties.The virtual testbed of Centerville is selected in this paper and is modeled by adopting the Agent-based modeling(ABM)approach which is a powerful tool for conducting community resilience analysis that simulates the behavior of different types of agents and their interactions to capture their interdependencies.The results are presented in the form of recovery time series as well as calculated resilience indices for various community systems(lifeline networks,schools,healthcare,businesses,and households).The results of this study can help deepen our understanding of how to efficiently expedite the recovery process of a community.展开更多
分析了基于信息系统武器装备体系基本特征和仿真评估要求,研究了基于Agent建模仿真(Agentbased modeling and simulation,ABMS)方法的体系效能仿真开发和评估过程,针对基于信息系统武器装备体系仿真评估的要求,建立了由体系效能评估准...分析了基于信息系统武器装备体系基本特征和仿真评估要求,研究了基于Agent建模仿真(Agentbased modeling and simulation,ABMS)方法的体系效能仿真开发和评估过程,针对基于信息系统武器装备体系仿真评估的要求,建立了由体系效能评估准备、联合作战想定编辑、ABMS体系仿真引擎、作战过程表现及战果统计,以及体系效能综合评估等组成的体系效能评估技术参考框架,并通过开发相关系统验证了框架的合理性和实用性。展开更多
通过CiteSpace软件对Web of Science以及CNKI数据库收录的885篇文献进行回顾性计量分析并绘制图谱,总结国内外有关基于主体建模(ABM)于公共健康政策研究中的热点和变化趋势,为未来深化复杂健康系统相关的ABM仿真研究提供依据。结果表明:...通过CiteSpace软件对Web of Science以及CNKI数据库收录的885篇文献进行回顾性计量分析并绘制图谱,总结国内外有关基于主体建模(ABM)于公共健康政策研究中的热点和变化趋势,为未来深化复杂健康系统相关的ABM仿真研究提供依据。结果表明:(1)国内外有关ABM于健康政策领域应用的相关研究虽总体呈现出了“运动式波动上升”的年度趋势且表现出了一定影响力但发展进程不一。(2)国内研究在机构间合作关系及融合性研究态势上较国外均不足。(3)国内外相关研究热点趋同性、差异性并存且涉及多个领域,但国内相关研究及具体应用方向较国外仍有较大拓展空间。ABM于公共健康政策研究中的应用仍面临一些挑战,未来应继续拓宽ABM方法应用的深度与广度,以解决公共健康这一复杂系统中的管理实际问题。展开更多
建模与仿真在武器装备体系研制的全过程中都发挥着非常重要的作用,但是对于如何从体系架构中提取仿真所需的数据从而驱动构造仿真系统运行的研究还比较少,无法发挥架构驱动仿真的优势。采用OPM(ObjectProcess Methodology)对武器装备体...建模与仿真在武器装备体系研制的全过程中都发挥着非常重要的作用,但是对于如何从体系架构中提取仿真所需的数据从而驱动构造仿真系统运行的研究还比较少,无法发挥架构驱动仿真的优势。采用OPM(ObjectProcess Methodology)对武器装备体系架构进行描述,通过一定的方法从体系架构中提取ABMS(Agent Based Modeling and Simulation)仿真所需的数据,从而支持仿真的运行,继而实现利用ABMS分析武器装备体系架构并对武器装备体系的能力进行评估。展开更多
基金Financial support for this work was provided by the US Department of Commerce,National Institute of Standards and Technology(NIST)under the Financial Assistance Award Number(FAIN)#70NANB20H008.
文摘A large number of communities are impacted annually by the increasing frequency of tornado hazards resulting in damage to the infrastructure as well as disruption of community functions.The effect of the hazard geometry(center and angle of tornado path as well as the tornado width)is studied herein on how it influences the recovery of physical and social systems within the community.Given that pre-disaster preparedness including mitigation strategies(e.g.,retrofits)and policies(e.g.,insurance)is crucial for increasing the resilience of the community and facilitating a faster recovery process,in this study,the impact of various mitigation strategies and policies on the recovery trajectory and resilience of a typical US community subjected to a tornado is investigated considering different sources of uncertainties.The virtual testbed of Centerville is selected in this paper and is modeled by adopting the Agent-based modeling(ABM)approach which is a powerful tool for conducting community resilience analysis that simulates the behavior of different types of agents and their interactions to capture their interdependencies.The results are presented in the form of recovery time series as well as calculated resilience indices for various community systems(lifeline networks,schools,healthcare,businesses,and households).The results of this study can help deepen our understanding of how to efficiently expedite the recovery process of a community.
文摘分析了基于信息系统武器装备体系基本特征和仿真评估要求,研究了基于Agent建模仿真(Agentbased modeling and simulation,ABMS)方法的体系效能仿真开发和评估过程,针对基于信息系统武器装备体系仿真评估的要求,建立了由体系效能评估准备、联合作战想定编辑、ABMS体系仿真引擎、作战过程表现及战果统计,以及体系效能综合评估等组成的体系效能评估技术参考框架,并通过开发相关系统验证了框架的合理性和实用性。
文摘通过CiteSpace软件对Web of Science以及CNKI数据库收录的885篇文献进行回顾性计量分析并绘制图谱,总结国内外有关基于主体建模(ABM)于公共健康政策研究中的热点和变化趋势,为未来深化复杂健康系统相关的ABM仿真研究提供依据。结果表明:(1)国内外有关ABM于健康政策领域应用的相关研究虽总体呈现出了“运动式波动上升”的年度趋势且表现出了一定影响力但发展进程不一。(2)国内研究在机构间合作关系及融合性研究态势上较国外均不足。(3)国内外相关研究热点趋同性、差异性并存且涉及多个领域,但国内相关研究及具体应用方向较国外仍有较大拓展空间。ABM于公共健康政策研究中的应用仍面临一些挑战,未来应继续拓宽ABM方法应用的深度与广度,以解决公共健康这一复杂系统中的管理实际问题。
文摘建模与仿真在武器装备体系研制的全过程中都发挥着非常重要的作用,但是对于如何从体系架构中提取仿真所需的数据从而驱动构造仿真系统运行的研究还比较少,无法发挥架构驱动仿真的优势。采用OPM(ObjectProcess Methodology)对武器装备体系架构进行描述,通过一定的方法从体系架构中提取ABMS(Agent Based Modeling and Simulation)仿真所需的数据,从而支持仿真的运行,继而实现利用ABMS分析武器装备体系架构并对武器装备体系的能力进行评估。
