Geoscience Reference
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15
An Integrated Disaster Relief Supply Chain
Network Model with Time Targets
and Demand Uncertainty
Anna Nagurney, Amir H. Masoumi, and Min Yu
Abstract
As the number of natural disasters and their impacts increase across the globe,
the need for effective preparedness against such events becomes more vital. In
this paper, we construct a supply chain network optimization model for a disaster
relief organization in charge of obtaining, storing, transporting, and distributing
relief goods to certain disasterprone regions. Our system-optimization approach
minimizes the total operational costs on the links of the supply chain network
subject to the uncertain demand for aid at the demand points being satisfied
as closely as possible. A goal programming approach is utilized to enforce
the timely delivery of relief items with respect to the pre-specified time targets
at the demand points. A solution algorithm for the model is also provided. A
spectrum of numerical examples illustrates the modeling and computational
framework, which integrates the two policies of pre-positioning relief supplies
as well as their procurement once the disaster has occurred.
Keywords
Supply chains • Disaster relief • Humanitarian logistics • Network optimization •
Cost minimization • Goal programming • Time constraints • Variational inequalities
 
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