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Πλοήγηση ανά Συγγραφέα "Manousakis, Eleftherios G."

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  • Μικρογραφία εικόνας
    Τεκμήριο
    Optimization methods for combined problems in transportation and logistics management
    (2021-10-15) Manousakis, Eleftherios G.; Μανουσάκης, Ελευθέριος; Athens University of Economics and Business, Department of Management Science and Technology; Pramatari, Aikaterini; Repoussis, Panagiotis; Ioannou, George; Kiranoudis, Chris; Mourtos, Yiannis; Androutsopoulos, Konstantinos; Zachariadis, Emmanouil
    In this PhD thesis, a collection of complex operations research problems with application in transportation and supply chain management is examined and solved. The main characteristic of the studied models is that they integrate the traditional vehicle routing decisions with other procedures such as production decisions, inventory control and distribution decisions. In other words, these models integrate the day-to-day operational decisions with tactical decisions creating ample space for high-quality performance and cost savings. They arise in practical applications of transportation and logistics, and therefore, are of great importance for both practitioners and researchers. This thesis presents a variety of high performing methodological approaches (exact, metaheuristic, matheuristic) and also extends existing models to create more applied and realistic variants that better express common business requirements. Namely, the Inventory Routing Problem and the Production Routing problem are studied. A spectrum of powerful and efficient optimization methods is developed and proposed ranging from a Branch-and-Cut algorithm and Tabu Search to a hybrid matheuristic algorithm that incorporates mathematical programming components into a local search framework. Moreover, from a modelling aspect efficient two-commodity formulations are developed, whereas a new problem variant is introduced in pursue of reducing the gap between theoretical knowledge and practice.