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Elastic analysis for a radial crack in a circular ring

✍ Scribed by O.L. Bowie; C.E. Freese

Publisher: Elsevier Science
Year: 1972
Tongue: English
Weight: 405 KB
Volume: 4
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(72)90045-8

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✦ Synopsis

The plane elastic problem corresponding to a radial crack emanating from the internal boundary of a circular ring is considered. Uniform external tension on the outer boundary is chosen as the applied load. The stress intensity factors at the crack tip are found by using the recently derived 'modified mappingcollocation' technique. Accurate data are found for varying crack depths over a representative range of wall ratios for fracture mechanics applications to pressurized hollow circular cylinders.

ANALYSIS

In the modified mapping-collocation method. stress functions ensuring traction-free conditions on the crack surfaces are derived by using the complex variable formulation. tl'resented at the Fourth National Symposium on Fracture Mechanics.

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