A plane stress to plane strain functional technique to compute stress-intensity factors in three-dimensional problems |
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Authors: | Corneliu Manu |
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Affiliation: | Control Data Canada Ltd, Multiple Access Division, Don Mills, Ontario M3C 3H1, Canada |
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Abstract: | A functional technique to calculate stress-intensity factors for cracks intersecting or approaching free surfaces is presented. Results are compared to previous finite elements and alternating solutions. The comparison shows that use of a full plane strain formula could be questionable in three-dimensional problems where cracks approach or intersect free surfaces. |
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