Abstract
Abstract: A method of analyzing origin‐destination (O‐D) connectivity reliability of real‐world lifeline networks is proposed in this research. This research is novel because, for real‐world lifeline networks with thousands of vertices and links, evaluating O‐D connectivity is computationally infeasible with traditional methods, for example, combinatorial methods. It is postulated that the O‐D connectivity problem for the actual network can be converted into a virtual problem, while the computation for this problem is fast even for large networks. Hence, it is applicable to real‐world lifeline networks. When combined with reliability analysis methods, the proposed method can be used to efficiently solve realistic O‐D connectivity reliability problems for real‐world lifeline networks. Besides, a rating method is also proposed to rank critical links, that is, links that have great influence on the O‐D connectivity. The proposed framework should be valuable for management and reliability analysis of real‐world lifeline networks.
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