Location-allocation for distribution to a uniform demand with transshipments

Location-allocation for distribution to a uniform demand with transshipments

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Article ID: iaor199341
Country: United States
Volume: 39
Issue: 5
Start Page Number: 635
End Page Number: 649
Publication Date: Aug 1992
Journal: Naval Research Logistics
Authors:
Keywords: transportation: general
Abstract:

This article analyzes the location-allocation problem for distribution from a single fixed origin via transshipment terminals to a continuous uniformly distributed demand. Distribution through terminals concentrates flows on the origin-to-terminal links and transportation economies of scale encourage the use of larger vehicles. Analytical expressions are derived for the optimal terminal locations, the optimal allocation of destinations to terminals, and the optimal transportation cost. Continuous analytic models assume either an allocation, by partitioning the service region into sectors, or terminal locations. This is unlikely to produce an optimal distribution system. The optimal cost is compared to the cost for suboptimal location-allocation combinations. Results indicate that the location decision is not too important if destinations are allocated optimally and that allocation to the nearest terminal may be poor, even witth optimal locations.

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