Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 393, Issue -, Pages 535-541Publisher
ELSEVIER
DOI: 10.1016/j.physa.2013.08.031
Keywords
Cascading failure; Link pattern; Power grid; Robustness; Interdependent network
Categories
Funding
- National Natural Science Foundation of China [71101022]
- Fundamental Research Funds for the Central Universities [N110406003]
- Program for New Century Excellent Talents in University [NCET-12-0100]
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Taking into account the load, the load redistribution, and the node capacity, we study the robustness of two interdependent networks A and B against cascading failures, where each node in network A depends on one node in network B, and vice versa. We adopt three kinds of link patterns between two interdependent networks, i.e., the assortative link (AL), the disassortative link (DL), the random link (RL), where the RA refers to connect randomly two nodes in networks A and B, the AL refers to that high-degree (low-degree) nodes in A network link high-degree (low-degree) nodes in B network, while-the DL refers to the fact that high-degree nodes in A network link low-degree nodes in B network. We investigate the robustness of the interdependent networks constructed by two artificial networks and the power grid, taking into account two stages of the cascading propagation. We numerically find that both the different link patterns and the parameters in the cascading model have important effects on dramatically improving the robustness of the interdependent networks against cascading failures. In addition, we obtain the better link pattern and the matching network structure to effectively avoid the cascading propagation. (C) 2013 Elsevier B.V. All rights reserved.
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