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Publications
Silva, L.M.R., Wang, Hy. and Guedes Soares, C. (2024), A strategic fleet size and mix vehicle routing model to analyse the impact of demand fluctuation on river-sea liner shipping, Ocean Engineering, Vol. 307, 118096.
The paper proposes a fleet size and mix vehicle routing model to optimize the river-sea liner shipping service. A mixed integer linear programming model is adopted as a rapid screening tool for strategic fleet planning to determine the type and number of river-sea vessels to deal with the fluctuation of the demand over the year guaranteeing the efficiency and effectiveness of the shipping service. Moreover, the model also highlights important issues that help the decision-makers. A quantified decision support model increases the service level of the shipping service reducing the frequent mismatches between fleet capacity and demand. A verification step aiming to test the behaviour of the model solution in a realistic case study is presented to analyse the impact of the demand fluctuation on the fleet composition.
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