Abstract
Recently, the robustness of coupled network under cascading failure has attracted a lot of attention. In this paper, we concentrate on the interconnected network, which is a typical coupled network in the real world. Considering the coupling effects, the cascading model of interconnected network was built. By adjusting the contribution of intra-links and interlinks to the loads, we find that interconnected network is more robust if the interlinks contribute more to the loads. We also investigate the influence of coupling and intra-layer node-linking similarity in the robustness of interconnected network under intentional attack; through numerical simulations, we find that compared with random homogeneous distribution, the robustness of interconnected network can be greatly enhanced with heterogeneous inter-degree distribution if to be designed positively related to intra-degree, but when the average inter-degree gets a certain value, interconnected network is most vulnerable to cascading failures. We also find that contrary to what isolated network behaves, interconnected network is more robust with larger intra-layer disassortativity. Our work may be helpful for designing high robust interconnected network or improving the robustness of interconnected network.
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This work was supported by the Shaanxi Science Foundation of China (Grant No. 2012JM8035).
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Peng, X., Yao, H., Du, J. et al. Load-induced cascading failures in interconnected networks. Nonlinear Dyn 82, 97–105 (2015). https://doi.org/10.1007/s11071-015-2141-y
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DOI: https://doi.org/10.1007/s11071-015-2141-y