The design of capacitated intermodal hub networks with different vehicle types |
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| Institution: | 1. Department of Industrial Engineering, TOBB University of Economics and Technology, Ankara, Turkey;2. Department of Management Sciences, University of Waterloo, Waterloo, Ontario, Canada;1. Department of Industrial Engineering, Federal University of Minas Gerais, Brazil;2. Department of Mechanical and Industrial Engineering, Concordia University, Canada;3. Department of Logistics and Operations Management, HEC Montréal, Canada;1. Concordia University, Montreal H3G 1M8, Canada;2. Interuniversity Research Centre on Enterprise Networks, Logistics and Transportation (CIRRELT), Montreal, Canada;3. HEC Montréal, Montreal, Canada;4. Department of Industrial Engineering, Tarbiat Modares University, Tehran, Iran;1. Department of Applied Social Sciences, Federal Center of Technological Education of Minas Gerais, 30510-000 Belo Horizonte, Brazil;2. Department of Industrial Engineering, Federal University of São Carlos, 13565-905 São Carlos, Brazil;3. Department of Industrial Engineering, Federal University of Minas Gerais, 31270-921 Belo Horizonte, Brazil |
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| Abstract: | In this study, we allow using alternative transportation modes and different types of vehicles in the hub networks to be designed. The aim of the problem is to determine the locations and capacities of hubs, which transportation modes to serve at hubs, allocation of non-hub nodes to hubs, and the number of vehicles of each type to operate on the hub network to route the demand between origin-destination pairs with minimum total cost. Total cost includes fixed costs of establishing hubs with different capacities, purchasing and operational costs of vehicles, transportation costs, and material handling costs. A mixed-integer programming model is developed and a variable neighborhood search algorithm is proposed for the solution of this problem. The heuristic algorithm is tested on instances from the Turkish network and CAB data set. Extensive computational analyzes are conducted in order to observe the effects of changes in various problem parameters on the resulting hub networks. |
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