The stress intensity factor for an external elliptical crack
β Scribed by V.I. Fabrikant
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 181 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0020-7683
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## Abstract Further insight into the functional consistent displacement correlation method to calculate the stressβintensity factor for elliptical cracks will be presented. The method will be modified to account for the actual crack face shape in pure opening mode.
A simple method is described which allows the estimation of local stress intensity factors of two-dimensional cracks by use of the weight function basic relation. The method is applied especially to semi-elliptical surface cracks. Two examples are considered. The half-penny shaped crack under bendin
The stress intensity factor at the deepest point of a semi-elliptical surface crack is calculated for stress gradients in direction of depth. The method is based on weight functions. The crack opening displacement for the reference problem is calculated with a method proposed by Petroski and Achenba