ROUTING AND SCHEDULING OF PLATFORM SUPPLY VESSELS - CASE FROM THE BRAZILIAN PETROLEUM INDUSTRY
|Author(s)||Daniel Oyra Friedberg, Vidar Thune Uglane|
|Publisher||Norwegian University of Science and Technology|
Introduction - Petrobras 2020; Problem description; Literature overview - Vehicle routing problems, Platform supply vessel models, Solution methods; Model formulation - Main assumptions, Mathematical formulation - Arc-flow model; Dantzig-Wolfe decomposition - Basic principles of DWD, Solving MILPs using DWD, Path-flow formulation; Branch and Price - Column generation, B&P methodology, B&P for the PSVRSP-RT; Implementation - Software and hardware, Pre-processing in Xpress-MP, Arc-flow and path-flow models, Branch and price, Input datasets; Computational study - Technical aspects of the path-flow model, Comparing the path-flow and arc-flow models, Economical study, The model in practice; Conclusion; Future research; Arc-flow model; Path-flow model; Reference list.
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