A Network Theoretical Approach to Identify Vulnerabilities of Urban Drainage Networks Against Structural Failures

被引:1
作者
Hajiamoosha, Paria [1 ]
Urich, Christian [1 ]
机构
[1] Monash Univ, Wellington Rd, Clayton, Vic 3800, Australia
来源
COMPLEX NETWORKS AND THEIR APPLICATIONS VIII, VOL 2 | 2020年 / 882卷
关键词
Graph modelling; Network science; Urban drainage network; Vulnerability; ROBUSTNESS; RESILIENCE;
D O I
10.1007/978-3-030-36683-4_73
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
This paper compares two different representations (primal-mapping and dual-mapping) and applies a range of topological metrics to analysis the vulnerability of an urban drainage network (UDN) against structural failures, which is examined in the Elster Creek catchment. Based on the node degree distribution, the properties of the dual graph are similar to a scale-free network while the primal graph behaves like a random network. Further, the results show that the structure of the dual graph has better connectivity and redundancy compared to the structure of the primal graph. To identify vulnerabilities this paper test's a new centrality metrics, that modifies betweenness centrality based on the UDN's performance. This new metric ranks the most vulnerable conduit in the UDN. To validate the ranking a hydrodynamic model is used as a reference. The results show the significance of the structural metric in identifying critical components of the UDN and suggest a dual representation is an appropriate method for investigating vulnerabilities of an UDN against structural failures.
引用
收藏
页码:919 / 930
页数:12
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