Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/487
Title: | An Integrated Disaster Preparedness Model for Retrofitting and Relief Item Transportation | Authors: | Döyen, Alper Aras, Necati |
Keywords: | Humanitarian Logistics Disaster Mitigation Disaster Response Two-Stage Stochastic Programming Lagrangean Relaxation Stochastic Optimization Vulnerability Analysis Road Network Accessibility Reliability Links |
Publisher: | SPRINGER | Abstract: | In this study, a two-stage stochastic integer programming model is developed with a centralized planning perspective to simultaneously address mitigation and response decisions in humanitarian logistics, where the mitigation decisions involve both building and transportation infrastructure retrofitting. The objective is to minimize the total cost of retrofitting, relief item transportation and relief item shortage under a limited mitigation budget. Due to the excessive number of binary decision variables, solving the model becomes computationally difficult. Therefore, we propose Lagrangean relaxation to decouple the overall model and solve it by Lagrangean heuristics. Computational results indicate the efficiency of the solution approaches in providing high quality feasible solutions to problem instances of realistic size and complexity. | URI: | https://doi.org/10.1007/s11067-019-9441-6 https://hdl.handle.net/20.500.13091/487 |
ISSN: | 1566-113X 1572-9427 |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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s11067-019-9441-6.pdf Until 2030-01-01 | 2.65 MB | Adobe PDF | View/Open Request a copy |
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