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Complex Systems and Complexity Science  2024, Vol. 21 Issue (3): 69-76    DOI: 10.13306/j.1672-3813.2024.03.010
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A Study of Risk Propagation in Natural Gas Pipeline Networks Based on Complex Networks
DAI Jianyong, GAN Meiyan, ZHANG Meirong, MAO Jiazhi, LIU Chao
a. School of Resource Environment and Safety Engineering; b. Hunan Province Key Laboratory of Emergency Safety Technology and Equipment for Nuclear Facilities, University of South China, Hengyang 421001, China
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Abstract  To improve pipeline safety monitoring and maintenance, the optimal risk transmission path of the natural gas pipeline network is explored. Firstly, the network topology is constructed based on complex network theory, and the importance of network nodes is ranked by entropy weight-TOPSIS method. Secondly, the risk propagation model of the natural gas pipeline network is constructed, the failure rate and vulnerability of network nodes are defined, and the risk propagation degree and optimal risk propagation path of nodes under deliberate and random failure strategies are obtained. Finally, based on the empirical analysis of the Shanghai natural gas pipeline network, the results show that the total risk of intentional damage propagation is greater than that of random damage in the case of cascade risk, which provides a basis for pipeline topology optimization and maintenance.
Key wordscomplex networks      natural gas pipeline network      risk communication routes      deliberate vandalism      random vandalism     
Received: 01 November 2022      Published: 07 November 2024
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DAI Jianyong
GAN Meiyan
ZHANG Meirong
MAO Jiazhi
LIU Chao
Cite this article:   
DAI Jianyong,GAN Meiyan,ZHANG Meirong, et al. A Study of Risk Propagation in Natural Gas Pipeline Networks Based on Complex Networks[J]. Complex Systems and Complexity Science, 2024, 21(3): 69-76.
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https://fzkx.qdu.edu.cn/EN/10.13306/j.1672-3813.2024.03.010     OR     https://fzkx.qdu.edu.cn/EN/Y2024/V21/I3/69