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SUPPLY CHAIN OPTIMIZATION IN THE PROCESS INDUSTRY.
Methods and case-study of the glass industry

Abstract : Nowadays, a highly competitive environment makes of the service level impact a fundamental element for formerly production oriented companies. Global supply chain thinking gives a new impetus to transversal missions such as logistics management. This thesis is nothing but an illustration of this new philosophy within the Saint-Gobain group, which has decided to create an operations research group (based in Saint-Gobain Recherche) to identify and solve high potential optimization problems. Our research has been full granted by the Saint-Gobain Glass company, the European leader of at glass production. We worked on several complementary subjects on which we developed original solutions with successful industrial _nal applications.
After a brief overview of our approach, we discover in chapter 1 a synthesis of the Saint-Gobain Glass business -producing, adding value and delivering at glass- and
the various decisions that make the supply chain management a very complex task. Following chapters present optimization problems that we identifed as key ones. First of all, we de_ne in chapter 2 a model to handle the yearly standard product determination, based on the economic trade-o_ between the glass loss along the
vertically integrated supply chain and the management cost of various references.
Other chapters aim at introducing an original global method for modelling complex industrial supply chains, fully presented in chapter 6. To do so, we study successively the definition and localization of facilities in chapter 3 and the modelling of production processes: chapter 4 introduces our production planning model and illustrates it on the at glass production, whereas chapter 5 presents the complementary
work required to apply it to transformation lines. Finally, chapter 6 deals with the synthesis of all these works into a unique mixed integer linear program.
Our research is the result of a successful collaboration between academics and industrials. We have developed an original deterministic model that captures various industrial supply chains, and we applied it to the oat glass manufacturing industry, identifying huge savings. Numerous outlooks of both theoretical and practical
interest are possible.
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Nicolas Miegeville. SUPPLY CHAIN OPTIMIZATION IN THE PROCESS INDUSTRY.
Methods and case-study of the glass industry. Engineering Sciences [physics]. Ecole Centrale Paris, 2005. English. ⟨tel-00275284⟩

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