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Model of fuzzy estimation of mechanical stress concentration for aerospace and industrial flat structures with polygonal holes of uncertain curvature at rounded corner points
The problem of uncertainty factor management in the description of mechanical stress nearby hatchways of multilateral form with rounded corners of fuzzy curvature in stretch thin plate is considered. Numerical and analytic methodology based on heuristical principle application of extension to transi...
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Published in: | IOP conference series. Materials Science and Engineering 2019-05, Vol.537 (2), p.22013 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The problem of uncertainty factor management in the description of mechanical stress nearby hatchways of multilateral form with rounded corners of fuzzy curvature in stretch thin plate is considered. Numerical and analytic methodology based on heuristical principle application of extension to transition to fuzzy set arguments in special analytical representations for estimated factors of stress concentration is proposed. Algorithm of fuzzy interval parameter spread of curve in corner points is described. Usage of proposed methodology in theoretical and applied researches on integrity problems of multiply connected thin-walled structure elements is characterized. |
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ISSN: | 1757-8981 1757-899X |
DOI: | 10.1088/1757-899X/537/2/022013 |