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A Strategic Model for Exact Supply Chain Network Design and its Application to a Global Manufacturer
Arampantzi, Ch., Minis, I., Dikas, G.
International Journal of Production Research, vol.57, no. 5, 2019, pp. 1371-1397
Abstract
This paper presents a comprehensive model that captures significant strategic decisions involved in designing or redesigning high-performance supply chains from the perspective of the manufacturer. The problem considers deterministic demand by multiple clients, for multiple products, over the periods of a long-term horizon. The design decisions involve selection of suppliers, establishment or resizing of production facilities and distribution centres, possible subcontracting of related activities, and selection of transportation modes and routes. The problem is formulated by a Mixed Integer Linear Programming model. Its objective is to minimise the overall costs associated with procurement, production, inventory, warehousing, and transportation over the design horizon. Appropriate constraints model the complex relationships among the links of the supply chain. The proposed model has been applied to a large case study of a global manufacturing firm, providing valuable insights into the transformation of the firm’s current supply chain network, as well as into the potential of the proposed approach.
Keywords: supply network; supply chain design; global supply chain; mixed integer linear programming; operational
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