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Publications
Silva, C. and Guedes Soares, C. (2012), “Planning a fleet of containerships for a given set of ports”, Maritime Engineering and Technology, Guedes Soares et al. (Eds),Taylor & Francis Group, London, pp. 087-096
The potential growth of short sea shipping motivated the study of a methodology to be used as a decision support tool in determining the composition of the fleet that is required for a given market scenario. The model allows both the parameters regarding the demand of markets and the characteristics of the fleet to be varied so as to evaluate the sensitivity of the response. The tool also provides enough information to prepare the fleet deployment, establishing its routes and scales in the ports of a particular scenario. The adopted methodology may be divided in two parts, being the first one related to the generation of all feasible routes, with parameters specific to each route for each vessel. The second part is the development of a linear programming model to minimize the total cost of the shipping operation. The models were structured to present three main points: the evaluation of the fleet for each vessel class; the optimal route for each vessel and the frequency in each port. To provide a supporting base towards the mandatory validation, a fictitious case study is presented and several sensitivity analyses are developed to test the model’s robustness and coherence.
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