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Access type: UnknownSubject: search.filters.subject.Decision Analysis

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    Relief Facility Locations Using Expected Regret Model
    (2023-01-01)
    Na Ayudhya, Wichitsawat Suksawat
    Chiang Rai, Nan, and Phayao, located in the provinces of northern part of Thailand, encountered flood, landslide, river overflow during raining season. Floods in this area are so difficult to predict. Flood mitigation plan is a critical key for relief and recovery. We focus on the preparedness plan for locating relief facilities. Our method to locate the optimal relief facility location is based on the expected regret P-median model with historical data for both populations and transportation routes. We conduct two experiments when the district is served by one relief facility and when the is served by the number of facilities following by the heuristic rule. Numerical results show that Muean Chiang Rai, Wiang Chai, Chiang Khong, Mae Chan, Mae Suai, Mueang Nan and Pua are suitable for locating relief facilities.
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    Selecting Temporary Flood Shelter Locations by P-Center Model
    (2021-01-01)
    Ayudhya, Wichitsawat Suksawat Na
    Eastern Special Development Zone (ESDZ) is the key project of Thai government to promote economy. However, a province located in ESDZ zone is prone to suffer from floods because of its geographic position. We study locations of temporary flood shelters. We formulate our problem by using P-Center model since want to select locations of temporary flood shelter so that they minimize the maximum distance from the flooded area (districts) to temporary shelters. We also incorporate the historical data of traveling distance affected by floods and the population of each district into our model. We test our model against real-life data under various scenarios. Our numerical experiment results show that Mueang Chachoengsao and Kabin Buri districts are the key locations for temporary flood shelters.
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