The multi-facility location-allocation problem with polyhedral barriers

  • Authors:
  • Martin Bischoff;Tina Fleischmann;Kathrin Klamroth

  • Affiliations:
  • Institute of Applied Mathematics, University of Erlangen-Nuremberg, Germany;Institute of Applied Mathematics, University of Erlangen-Nuremberg, Germany;Institute of Applied Mathematics, University of Erlangen-Nuremberg, Germany

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2009

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Abstract

In this paper we consider the problem of locating N new facilities with respect to M existing facilities in the plane and in the presence of polyhedral barriers. We assume that a barrier is a region where neither facility location nor traveling is permitted. For the resulting multi-dimensional mixed-integer optimization problem two different alternate location and allocation procedures are developed. Numerical examples show the superiority of a joint treatment of all assignment variables, including those specifying the routes taken around the barrier polyhedra, over a separate iterative solution of the assignment problem and the single-facility location problems in the presence of barriers.