Space and time allocation in a shipyard assembly hall

Maud Bay (), Yves Crama (), Yves Langer () and Philippe Rigo ()

Annals of Operations Research, 2010, vol. 179, issue 1, 57-76

Abstract: We present a space and time allocation problem that arises in assembly halls producing large building blocks (namely, a shipyard which assembles prefabricated keel elements). The building blocks are very large, and, once a block is placed in the hall, it cannot be moved until all assembly operations on this block are complete. Each block must be processed during a predetermined time window. The objective is to maximize the number of building blocks produced in the hall. The problem is modeled as a 3-dimensional bin packing problem (3D-BPP) and is handled by a Guided Local Search heuristic initially developed for the 3D-BPP. Our computational experiments with this heuristic demonstrate that excellent results can be found within minutes on a workstation. We also describe some additional real-life constraints arising in the industrial application, and we show how these constraints can be conveniently and flexibly integrated in the solution procedure. Copyright Springer Science+Business Media, LLC 2010

Date: 2010
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DOI: 10.1007/s10479-008-0461-8

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