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城市路网作为一种关系居民日常生活、社会经济发展的重要网络,在受到暴雨洪水、交通堵塞以及遭遇破坏时,可能局部失效,进而影响整个路网的运输能力和效率。本文针对城市路网的拓扑特点,以复杂网络理论为基础,对两种不同布局结构的路网分别采用主方法和对偶方法建模,分析比较其复杂网络特性,并在此基础上进行了基于节点度和基于节点中介中心性的选择性破坏实验,最后分析了不同结构的路网在不同攻击策略下所表现出来的可靠性。
Urban road network, as an important network that affects the daily life and social economic development of residents, may partially fail when subjected to storm floods, traffic jams and encounters and thus affect the transport capacity and efficiency of the entire road network. In this paper, according to the topological characteristics of urban road network, based on the theory of complex networks, two kinds of road networks with different layouts are modeled respectively by main method and dual method, and their complex network characteristics are analyzed and compared. Based on this, Node degree and selective destruction experiment based on the centrality of the node intermediary. Finally, the reliability of the road network with different structures under different attack strategies is analyzed.