| DOI | Resolve DOI: https://doi.org/10.2514/6.2012-1700 |
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| Author | Search for: Renaud, Guillaume1; Search for: Liao, Min1; Search for: Bombardier, Yan1 |
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| Affiliation | - National Research Council of Canada. Aerospace
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| Format | Text, Article |
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| Conference | 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference 2012, April 23-26 2012, Honolulu, HI |
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| Subject | corner cracks; correction approaches; modeling and analysis; semi-elliptical crack; surface cracks; thickness direction; three dimensional finite elements; uniaxial tensile loading; finite element method; stress intensity factors; structural dynamics; surface defects; cracks |
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| Abstract | Detailed three-dimensional finite element (FE) modeling and analysis of quarter-elliptical and semi-elliptical cracks at a hole were carried out. Comparison cases showed that the accuracy of the classical Newman-Raju closed-form stress intensity factor solutions can be improved, especially for the surface crack case and in the thickness direction for the corner crack case. Using the developed FE models, improved stress intensity factor solutions for quarter-circular and semi-circular cracks at a hole were obtained for uniaxial tensile loading. A simple correction approach is also proposed to improve the accuracy of the Newman-Raju solutions for more general cases of quarter-elliptical and semi-elliptical cracks at a hole. |
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| Publication date | 2012-04 |
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| Publisher | American Institute of Aeronautics and Astronautics |
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| Series | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 21269382 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 3cfdfc77-e7fb-4ebc-b2e9-6e6d7457e1c9 |
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| Record created | 2013-12-12 |
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| Record modified | 2020-04-21 |
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