Complexity Characteristics and Robustness Analysis of Chengdu Metro Network

The study of robustness the metro rail network in Chengdu, a central city western China, contributes to stability as well safe operation network. Based on complex theory, Space-L topological structure model constituted by first 9 lines Chengdu is constructed, and its characteristics are analyzed properties such degree distribution, average path length, clustering coefficient scale-free degree. Through properties, evaluation index system applicable simulations deliberate attacks random performed. data both counted trends reasons each compared. Among many stations, three namely, University TCM & Sichuan Provincial People's Hospital Station, Science Technology Station Culture Palace have higher vulnerability. When they attacked, subway connectivity reliability decreases 1/3, indicating need strengthen security check these stations with values.