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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/775

Title: Modelling the South African fruit export infrastructure: A case study
Authors: Ortmann, FG
Van Vuuren, JH
Van Dyk, FE
Keywords: Maximum flow
Single-community flow
Multi-commodity flow
Fresh fruit export
Fresh fruit export infrastructure
Issue Date: Apr-2006
Publisher: Orion – Johannesburg
Citation: Ortmann, FG, Van Vuuren, JH and Van Dyk, FE. 2006. Modelling the South African fruit export infrastructure: A case study. The Journal of ORSSA, vol. 22 (1), pp 35-57
Abstract: A description is provided of work performed as part of the fruit logistics infrastructure project commissioned by the South African Deciduous Fruit Producers’ Trust and coordinated by the South African Council for Scientific and Industrial Research, as described in Van Dyk FE & Maspero E, 2004, An analysis of the South African fruit logistics infrastructure, ORiON, 20(1), pp. 55–72. After a brief introduction to the problem, two models (a single-commodity graph theoretic model and a multi-commodity mathematical programming model) are derived for determining the maximal weekly flow or throughput of fresh fruit through the South African national export infrastructure. These models are solved for two extreme seasonal export scenarios and the solutions show that no export infrastructure expansion is required in the near future — observed bottlenecks are not fundamental to the infrastructure and its capacities, but are rather due to sub-optimal management and utilisation of the existing infrastructure.
URI: http://hdl.handle.net/10204/775
ISSN: 0259 - 191X
Appears in Collections:Logistics and quantitative methods
General science, engineering & technology

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