2010
DOI: 10.1007/978-3-642-13520-0_18
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A SAT Encoding for Multi-dimensional Packing Problems

Abstract: The Orthogonal Packing Problem (OPP) consists in determining if a set of items can be packed into a given container. This decision problem is NP-complete. S. P. Fekete et al. modelled the problem in which the overlaps between the objects in each dimension are represented by interval graphs. In this paper we propose a SAT encoding of Fekete et al. characterization. Some results are presented, and the efficiency of this approach is compared with other SAT encodings.

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Cited by 6 publications
(2 citation statements)
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“…Being a simple to define, albeit challenging problem of industrial relevance, is probably the reason it has been widely studied by the research community and several solution approaches have been proposed. Depending mostly on problem size and the time available to generate a solution, one may rely on heuristics (Wei et al 2009;Ortmann et al 2010), exact algorithms (Kenmochi et al 2009;Martello et al 2003;Bekrar et al 2007;AlvarezValdes et al 2009;Grancolas & Pinto, 2010) or mathematical programming models (Castro & Oliveira, 2011). The latter two have the advantage of establishing if the best found solution is indeed optimal while informing of the maximum possible distance to such optimum, which can be quite relevant.…”
Section: Going Multidimensionalmentioning
confidence: 99%
“…Being a simple to define, albeit challenging problem of industrial relevance, is probably the reason it has been widely studied by the research community and several solution approaches have been proposed. Depending mostly on problem size and the time available to generate a solution, one may rely on heuristics (Wei et al 2009;Ortmann et al 2010), exact algorithms (Kenmochi et al 2009;Martello et al 2003;Bekrar et al 2007;AlvarezValdes et al 2009;Grancolas & Pinto, 2010) or mathematical programming models (Castro & Oliveira, 2011). The latter two have the advantage of establishing if the best found solution is indeed optimal while informing of the maximum possible distance to such optimum, which can be quite relevant.…”
Section: Going Multidimensionalmentioning
confidence: 99%
“…The approach extends to the solution of the 2D-SPP. Grandcolas and Pinto [157] proposed a SAT encoding of the interval graph model by Fekete and Schepers [126] for higher dimensional problems, and compared its eciency with that of other SAT encodings.…”
Section: Constraint Programmingmentioning
confidence: 99%