A Location-Routing-Inventory Problem with Cross-Docking and Split Delivery

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Faraji, Mahla | 2016

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 49301 (01)
University: Sharif University of Technology
Department: Industrial Engineering
Advisor(s): Akbari Jokar, Mohammad Reza
Abstract:
This paper studies a multi-product, multi-period location- routing- inventory problem in a three-level supply chain including suppliers, cross-docks and customers. Each cross-dock could be supplied by more than one supplier and each customer could be supplied by more than one cross-dock. In the first phase we find the best locations for the cross-dock and allocate them to customers and suppliers by considering inventory costs. . Then, in the second phase Products are distributed from cross-docks towards customers using Heterogeneous vehicles. In this article the option for split delivery is enabled and furthermore, backlogging is allowable for each customer. The model presented in this study is problems in the auto industry and defined according to the needs of the industry investigated. A mixed-integer programming formulation is presented to describe the problem To solve the problem of large-scale simulated annealing algorithm is used. Finally, the small and large size problem two-phase and integrated models are compared and It has been shown integrated models provide a better answer than two phase models
Keywords:
Location ; Routing ; Split Delivery ; Location-Routing Problem (LRP) ; Three-Stage Supply Chain