Title: Dynamic network flow models of sustainable grain silo location

Authors: L.R. Foulds

Addresses: Department of Management Systems, University of Waikato, Private Bag 3105, 2020 Hamilton, New Zealand

Abstract: A number of new and interesting dynamic network flow models and solution techniques for the question of where to locate silo complexes for the storage of grain in relatively large rural, geographical grain producing areas is described in this study. The models incorporate: total transportation costs and capital investment, variable and total costs for silo construction. Numerical examples and their optimal solutions are provided for each model. Comparisons are made between existing network models and those developed. Suggestions are made about suitable solution techniques for numerical instances of each model that is discussed. The paper represents a new approach to problems in a practical area of the location. It is believed that the models and techniques that are reported represent useful additions to the grain silo location planner|s toolkit.

Keywords: agriculture; logistics; networks; graphs; optimisation; dynamic network flow models; grain silo location; total transportation costs; capital investment; construction costs; grain storage.

DOI: 10.1504/IJOR.2005.007434

International Journal of Operational Research, 2005 Vol.1 No.1/2, pp.74 - 88

Published online: 20 Jul 2005 *

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