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Stress intensity factors and weight functions for a corner crack in a finite thickness plate

โœ Scribed by X.J. Zheng; G. Glinka; R.N. Dubey


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
620 KB
Volume
54
Category
Article
ISSN
0013-7944

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โœฆ Synopsis


Weight functions for the two surface points of a quarter-elliptical corner crack in a finite thickness plate of infinite width are derived from a general weight function and two reference stress intensity factors. The weight functions have been validated for several linear and non-linear crack face stress fields against finite element data. The weight functions appear to be particularly suitable for fatigue and fracture analysis of quarter-elliptical cracks in complex stress fields.


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