Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network
This paper presents a multiple-rescue model for an emergency supply chain system under uncertainties in large-scale affected area of disasters. The proposed methodology takes into consideration that the rescue demands caused by a large-scale disaster are scattered in several locations; the servers a...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/195053 |
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| author | Xinhua He Wenfa Hu |
| author_facet | Xinhua He Wenfa Hu |
| author_sort | Xinhua He |
| collection | DOAJ |
| description | This paper presents a multiple-rescue model for an emergency supply chain system under uncertainties in large-scale affected area of disasters. The proposed methodology takes into consideration that the rescue demands caused by a large-scale disaster are scattered in several locations; the servers are arranged in multiple echelons (resource depots, distribution centers, and rescue center sites) located in different places but are coordinated within one emergency supply chain system; depending on the types of rescue demands, one or more distinct servers dispatch emergency resources in different vehicle routes, and emergency rescue services queue in multiple rescue-demand locations. This emergency system is modeled as a minimal queuing response time model of location and allocation. A solution to this complex mathematical problem is developed based on genetic algorithm. Finally, a case study of an emergency supply chain system operating in Shanghai is discussed. The results demonstrate the robustness and applicability of the proposed model. |
| format | Article |
| id | doaj-art-2047a1dde99b49198d9570ffc4141df0 |
| institution | OA Journals |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-2047a1dde99b49198d9570ffc4141df02025-08-20T02:04:33ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/195053195053Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing NetworkXinhua He0Wenfa Hu1School of Economics Management, Shanghai Maritime University, Shanghai 201306, ChinaSchool of Economics and Management, Tongji University, Shanghai 200092, ChinaThis paper presents a multiple-rescue model for an emergency supply chain system under uncertainties in large-scale affected area of disasters. The proposed methodology takes into consideration that the rescue demands caused by a large-scale disaster are scattered in several locations; the servers are arranged in multiple echelons (resource depots, distribution centers, and rescue center sites) located in different places but are coordinated within one emergency supply chain system; depending on the types of rescue demands, one or more distinct servers dispatch emergency resources in different vehicle routes, and emergency rescue services queue in multiple rescue-demand locations. This emergency system is modeled as a minimal queuing response time model of location and allocation. A solution to this complex mathematical problem is developed based on genetic algorithm. Finally, a case study of an emergency supply chain system operating in Shanghai is discussed. The results demonstrate the robustness and applicability of the proposed model.http://dx.doi.org/10.1155/2014/195053 |
| spellingShingle | Xinhua He Wenfa Hu Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network The Scientific World Journal |
| title | Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network |
| title_full | Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network |
| title_fullStr | Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network |
| title_full_unstemmed | Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network |
| title_short | Modeling Relief Demands in an Emergency Supply Chain System under Large-Scale Disasters Based on a Queuing Network |
| title_sort | modeling relief demands in an emergency supply chain system under large scale disasters based on a queuing network |
| url | http://dx.doi.org/10.1155/2014/195053 |
| work_keys_str_mv | AT xinhuahe modelingreliefdemandsinanemergencysupplychainsystemunderlargescaledisastersbasedonaqueuingnetwork AT wenfahu modelingreliefdemandsinanemergencysupplychainsystemunderlargescaledisastersbasedonaqueuingnetwork |