Title The Brewery Logistics Problem
DateSubmitted 2 Apr 2008
CaseStudyType TeachingCaseStudy
OperationsResearchTopics LinearProgramming, IntegerProgramming
ApplicationAreas Logistics
ProblemDescription A boutique brewery has two warehouses from which it distributes beer to five carefully chosen bars. At the start of every week, each bar sends an order to the brewery’s head office for so many crates of beer, which is then dispatched from the appropriate warehouse to the bar. The brewery would like to have an interactive computer program which they can run week by week to tell them which warehouse should supply which bar so as to minimize the costs of the whole operation.

For example, suppose that at the start of a given week the brewery has 1000 cases at warehouse A, and 4000 cases at warehouse B, and that the bars require 500, 900, 1800, 200, and 700 cases respectively.

The transportation costs are given in Table 1.

Table 1 Transportation costs from warehouses to bars

| Cost ($/crate) | Warehouse A | Warehouse B | | Bar 1 | 2 | 3 | | Bar 2 | 4 | 1 | | Bar 3 | 5 | 3 | | Bar 4 | 2 | 2 | | Bar 5 | 1 | 3 |

Which warehouse should supply which bar?

ProblemFormulation Since crates of beer are being shipped from the warehouses to the bars, this problem is a bipartite network and can be modelled as a transportation problem.

The supply nodes are the warehouses, the demand nodes are the bars

ComputationalModel The computational model...
Results The results...
Conclusions In conclusion...


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Topic revision: r1 - 2008-04-02 - MichaelOSullivan
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