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Dugdale model for circumferential through-cracks in pipes loaded by bending

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Abstract

The paper contains an analytical solution to the title problem by means of the semi-membrane theory of cylindrical shells. Results include the crack opening displacements as a function of circumferential angle, the fracture parameter J, and the effects of the crack on the compliance of the pipe.

Résumé

L'étude comporte une solution analytique du modèle de Dugdale appliqué au cas envisagé, en recourant á la théorie des semi-membranes dans les enveloppes cylindriques. Les résultats donnent la relation entre les déplacements d'ouverture de la fissure et l'angle circonférentiel, le paramètre de rupture J, ainsi que les effects de la fissure sur la compliance du tube.

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References

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Lyell Sanders, J. Dugdale model for circumferential through-cracks in pipes loaded by bending. Int J Fract 34, 71–81 (1987). https://doi.org/10.1007/BF00042126

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  • DOI: https://doi.org/10.1007/BF00042126

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