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Zone-based facilities layout optimization

Combining the best features of both discrete and continuous space representations, and exploiting the notion of space structuring as done in new-generation heuristics, this paper introduces a novel zone-based optimization model for facilities layout design. Preliminary empirical results are presented, with the model solved directly using a commercial mixed integer linear programming solver for selected well known cases. The results show that the model may permit to generate excellent solutions faster than models without such constraints.