Seleção de fornecedores para atendimento às vítimas de desastres naturais considerando o lead time logístico dos produtos na fase de aquisição

Humanitarian organizations seeking efficient and effective processes for decision making at the time of disaster response. It is evident in this study the use of logistical tools to aid decision-making in response operations relating to the coordination of humanitarian supplies for natural disaster events. In literature some approaches have been proposed using optimization models for the purchase decision for humanitarian aid, not including the selection of suppliers to ensure the availability of relief items in the affected areas at the right time. This work aims to develop a methodology for defining the best set of suppliers respecting the time, demand and delivery capabilities in place achieved by developing a model adapted to the problem of flow in networks. The focus of this research is in preparation and response phases, where, with an optimization methodology used in preparation, intended to achieve a more effective response. It was found that the condition of the product to be as fast as possible, at the place of demand was satisfied, and was used, the ability of suppliers to the nearest event dates with the lowest cost.