Risk Evaluation of Debris Flow Hazard Based on Asymmetric Connection Cloud Model
Joint Authors
Xu, Xinyu
Li, Yafeng
Zhang, Libiao
Wang, Mingwu
Source
Mathematical Problems in Engineering
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-10-26
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Risk assessment of debris flow is a complex problem involving various uncertainty factors.
Herein, a novel asymmetric cloud model coupled with connection number was described here to take into account the fuzziness and conversion situation of classification boundary and interval nature of evaluation indicators for risk assessment of debris flow hazard.
In the model, according to the classification standard, the interval lengths of each indicator were first specified to determine the digital characteristic of connection cloud at different levels.
Then the asymmetric connection clouds in finite intervals were simulated to analyze the certainty degree of measured indicator to each evaluation standard.
Next, the integrated certainty degree to each grade was calculated with corresponding indicator weight, and the risk grade of debris flow was determined by the maximum integrated certainty degree.
Finally, a case study and comparison with other methods were conducted to confirm the reliability and validity of the proposed model.
The result shows that this model overcomes the defect of the conventional cloud model and also converts the infinite interval of indicators distribution into finite interval, which makes the evaluation result more reasonable.
American Psychological Association (APA)
Xu, Xinyu& Wang, Mingwu& Li, Yafeng& Zhang, Libiao. 2017. Risk Evaluation of Debris Flow Hazard Based on Asymmetric Connection Cloud Model. Mathematical Problems in Engineering،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1190708
Modern Language Association (MLA)
Xu, Xinyu…[et al.]. Risk Evaluation of Debris Flow Hazard Based on Asymmetric Connection Cloud Model. Mathematical Problems in Engineering No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1190708
American Medical Association (AMA)
Xu, Xinyu& Wang, Mingwu& Li, Yafeng& Zhang, Libiao. Risk Evaluation of Debris Flow Hazard Based on Asymmetric Connection Cloud Model. Mathematical Problems in Engineering. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1190708
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1190708