Integrated location-distribution problem with two levels and time window

摘要

In this paper, we present a variant of location and routing problems which ensures the distribution in two levels between a central manufacturing center and intermediary warehouses then to the final customers. Intermediate warehouses have to be well located and a time window is associated to each client. A mathematical model is presented and a solution method is adapted and improved based on standard genetic algorithms and hybridized with local search heuristics.