Segment-based alteration for container liner shipping network design |
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| Institution: | 1. Strome College of Business, Old Dominion University, Norfolk, VA 23529, USA;2. Institute of Transport Studies, Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia;3. Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore;1. School of Economics and Management, Tongji University, Shanghai, 200092, PR China;2. School of Economics and Management, Wuhan University, Wuhan, Hubei, 430072, PR China;3. Transportation Engineering College, Dalian Maritime University, Dalian, Liaoning, 116026, PR China;4. School of Shipping Economics and Management, Dalian Maritime University, Dalian, Liaoning, 116026, PR China;1. Centre for Maritime Studies, National University of Singapore, Singapore 118411, Singapore;2. Strome College of Business, Old Dominion University, Norfolk, Virginia 23529, USA;3. Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore;4. School of Economics and Management, Tongji University, Shanghai 200096, China;1. DICAAR – Department of Civil, Environmental Engineering and Architecture, University of Cagliari, Italy;2. Department of Operations, Energy, and Environmental Management, University of Klagenfurt, Universitätsstraße, 65-67, 9020 Klagenfurt, Austria;3. Professional Consultant, Milan, Italy |
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| Abstract: | Container liner shipping companies only partially alter their shipping networks to cope with the changing demand, rather than entirely redesign and change the network. In view of the practice, this paper proposes an optimal container liner shipping network alteration problem based on an interesting idea of segment, which is a sequence of legs from a head port to a tail port that are visited by the same type of ship more than once in the existing shipping network. In segment-based network alteration, the segments are intact and each port is visited by the same type of ship and from the same previous ports. As a result, the designed network needs minimum modification before implementation. A mixed-integer linear programming model with a polynomial number of variables is developed for the proposed segmented-based liner shipping network alternation problem. The developed model is applied to an Asia–Europe–Oceania liner shipping network with a total of 46 ports and 11 ship routes. Results demonstrate that the problem could be solved efficiently and the optimized network reduces the total cost of the initial network considerably. |
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| Keywords: | Container liner shipping network design Liner shipping network alteration Transshipment Maritime transportation |
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