A Fuzzy Clustering Logic Life Loss Risk Evaluation Model for Dam-Break Floods

Yantao Zhu, Xinqiang Niu, Chongshi Gu, Bo Dai, Lixian Huang and Narayanan Kumarappan

Complexity, 2021, vol. 2021, 1-14

Abstract: A dam is a complex and important water-retaining structure. Once the dam is broken, the flood will cause immeasurable damage to the lives and properties of the downstream people, so it is particularly important to have the dam risk management. Since the dam-break flood is a severe-consequence low-frequency event, the corresponding fatalities caused by it are difficult to estimate due to the lack of relevant data and poor data continuity. This paper analyzes the direct and indirect factors affecting the risk of life loss in dam failures and studies the characteristics, distribution rules, and membership functions of each factor. An adaptive differential evolution method is constructed through an optimization of the mutation factors and cross factors of the differential evolution method. This proposed evaluation method also combines with the fuzzy clustering iterative method that is capable of evaluating the similarity of life loss in dam accidents. The effectiveness of the proposed method is verified by 16 dam-break case studies.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:7093256

DOI: 10.1155/2021/7093256

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