期刊
ANNALS OF OPERATIONS RESEARCH
卷 291, 期 1-2, 页码 1153-1181出版社
SPRINGER
DOI: 10.1007/s10479-018-3102-x
关键词
Emergency evacuation; Disasters and accidents; User equilibrium; Shortest path
Disasters such as earthquake or tsunami can easily take the lives of thousands of people and millions worth of property in a fleeting moment. A successful emergency evacuation plan is critical in response to disasters. In this paper, we seek to investigate the multi-source, multi-destination evacuation problem. First, we construct a mixed integer linear programming model. Second, based onKshortest paths and user equilibrium, we propose a novel algorithm (hereafter KPUE), whose complexity is polynomial in the numbers of nodes and evacuees. Finally, we demonstrate the effectiveness of algorithm KPUE by a real evacuation network in Shanghai, China. The numerical examples show that the average computation time of the proposed algorithm is 95% less than that of IBM ILOG CPLEX solver and the optimality gap is no more than 5%.
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