基于复杂网络的全球集装箱海运网络脆弱性分析

Vulnerability Analysis of Global Container Shipping Network Based on Complex Network

集装箱班轮运输具有定港挂靠的特点,单个港口的失效容易发生连锁反应,进而对整个海运网络产生影响。为研究全球集装箱海运网络的脆弱性,根据全球运力前10班轮公司的航线数据构建全球集装箱海运网络,运用复杂网络理论在分析海运网络拓扑结构特征的基础上,模拟了集装箱海运网络在港口随机故障和蓄意攻击两种模式下的海运网络平均度、集聚系数、最大连通子图以及平均距离等特征参数的变化情况。同时针对贝鲁特港爆炸事件,分析了该港口关闭对全球集装箱海运网络的影响。结果显示:集装箱海运网络在面对蓄意攻击时具有更大的脆弱性,贝鲁特港爆炸事件对海运网络的局部区域产生了较大影响。

Due to the characteristics of fixed port connection of container liner transportation, the failure of a single port is prone to chain reaction, which will have an impact on the whole shipping network. To study the vulnerability of the global container shipping network, a global container shipping network was constructed according to the route data of the top 10 liner companies in the world. Based on the analysis of the topological structure characteristics of the container shipping network by the complex network theory, the variation conditions of the characteristic parameters of the container shipping network under the two modes of port random failure and deliberate attack were simulated, such as the average degree, agglomeration coefficient, the largest pass subgraph and the average distance. Meanwhile, aimed at Beirut port explosion, the impact of the closure of Beirut port on the global container shipping network was analyzed. The results show that container shipping networks are more vulnerable to deliberate attacks and it is concluded that the explosion in Beirut port has a great impact on the local area of the shipping network.