Darya Hrydziushka

• Hrydziushka, Darya; Pasha, Urooj & Hoff, Arild (2021). An extended model for disaster relief operations used on the Hagibis typhoon case in Japan. Logistics. 5(2), p. 1–30. doi: 10.3390/logistics5020039. Full text in Research Archive Show summary

  This paper presents a generalization of a previously defined lexicographical dynamic flow model based on multi-objective optimization for solving the multi-commodity aid distribution problem in the aftermath of a catastrophe. The model considers distribution of the two major commodities of food and medicine, and seven different objectives, and the model can easily be changed to include more commodities in addition to other and different priorities between the objectives. The first level in the model is to maximize the amount of aid distributed under the given constraints. Keeping the optimal result from the first level, the second level can be solved considering objectives such as the cost of the operation, the time of the operation, the equity of distribution for each type of humanitarian aid, the priority of the designated nodes, the minimum arc reliability, and the global reliability of the route. The model is tested on a recent case study based on the Hagibis typhoon disaster in Japan in 2019. The paper presents a solution for the distribution problem and provides a driving schedule for vehicles for delivering the commodities from depots to the regional centers in need for humanitarian aid. Keywords: humanitarian logistics, multicriteria, distribution models

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• Hrydziushka, Darya; Hoff, Arild; Hvattum, Lars Magnus & Dominguez, Gregorio Tirado (2024). Evacuation model under conditions of uncertainty and damaged infrastructure. Full text in Research Archive

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