Πλοήγηση ανά Συγγραφέα "Margaritis, Athanasios"
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Τεκμήριο Cargo shipping and scheduling optimization for crude oil transportation(02/19/2021) Margaritis, Athanasios; Μαργαρίτης, Αθανάσιος; Peppas, Konstantinos-Marios; Πέππας, Κωνσταντίνος-Μάριος; Athens University of Economics and Business, Department of Accounting and Finance; Kavousanos, Emmanuel; Androutsopoulos, Konstantinos; Nikolopoulou, AmaliaThis thesis aims to apply mathematical techniques to facilitate decision making for shipping companies providing crude oil transportation. Focus is given on the development of a mathematical model solving a challenging problem for the shipping industry with practical operational constraints and characteristics. In particular we study a cargo shipping and scheduling problem for crude oil transportation taking into consideration time window constraints and operational synchronization constraints. At first, we examine the significance of crude oil transportation worldwide. To do so, the largest importers of crude oil worldwide are considered. Next, we review research on ship routing and scheduling and related problems during the new millennium and present main methods for solving them. From the Literature review it is revealed that the routing and scheduling problems for shipping companies are of great importance. Our research studies a routing and scheduling problem in which a maritime company needs to transport crude oil between three loading ports and nine discharge ports. Capacity and time window constraints are considered. The problem is formulated as a Mixed Integer Linear Programming Model and Open-solver is used to obtain the optimal solution.