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Weight function for a single edge cracked geometry with clamped ends
Date
1985-08-01
Author
John, Reji
Kaldon, Stephen G.
Johnson, David A.
Çöker, Demirkan
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
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A single edge cracked geometry with clamped ends is well suited for fracture toughness and fatigue crack growth testing of composites and thin materials. Analysis of fiber bridging phenomenon in the composites and determination of stress intensity factors due to non-uniform stress distributions such as residual and thermal stresses generally require the use of a weight function. This paper describes the development and verification of a weight function for the single edge cracked geometry with clamped ends. Finite element analyses were conducted to determine the stress intensity factors (K) and crack opening displacements (COD) due to different types of stress distributions. The weight function was developed using the K and COD solution for a constant stress distribution. K and COD predicted using this weight function correlated well with the finite element results for non-uniform crack surface stress distributions.
Subject Keywords
Stress intensity factors
,
Mode-i
,
Computation
,
Displacements
URI
https://hdl.handle.net/11511/39242
Journal
International Journal of Fracture
DOI
https://doi.org/10.1007/bf00042825
Collections
Department of Aerospace Engineering, Article