Method of sentinels for packing items within arbitrary convex regions

E G Birgin (), J M Martínez, W F Mascarenhas and D P Ronconi
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E G Birgin: University of São Paulo
J M Martínez: University of Campinas, Campinas
W F Mascarenhas: University of São Paulo
D P Ronconi: University of São Paulo

Journal of the Operational Research Society, 2006, vol. 57, issue 6, 735-746

Abstract: Abstract A new method is introduced for packing items in convex regions of the Euclidian n-dimensional space. By means of this approach the packing problem becomes a global finite-dimensional continuous optimization problem. The strategy is based on the new concept of sentinels. Sentinels sets are finite subsets of the items to be packed such that, when two items are superposed, at least one sentinel of one item is in the interior of the other. Minimal sets of sentinels are found in simple two-dimensional cases. Numerical experiments and pictures showing the potentiality of the new technique are presented.

Keywords: sentinels; packing problems; cutting problems; models; nonlinear programming (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (3)

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DOI: 10.1057/palgrave.jors.2602067

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