Journal
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
Volume 48, Issue 3, Pages 701-714Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tre.2011.12.003
Keywords
Container liner shipping; Sailing speed; Bunker; Outer-approximation
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Funding
- NOL of Singapore [R-264-000-244-720, R-302-000-014-720]
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This paper first calibrates the bunker consumption - sailing speed relation for container ships using historical operating data from a global liner shipping company. It proceeds to investigate the optimal sailing speed of container ships on each leg of each ship route in a liner shipping network while considering transshipment and container routing. This problem is formulated as a mixed-integer nonlinear programming model. In view of the convexity, non-negativity, and univariate properties of the bunker consumption function, an efficient outer-approximation method is proposed to obtain an E-optimal solution with a predetermined optimality tolerance level c. The proposed model and algorithm is applied to a real case study for a global liner shipping company. (C) 2012 Elsevier Ltd. All rights reserved.
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