For the application of the weight function method the crack opening displacements for a reference case have to be known. An approximate method to derive the crack opening field from the stress intensity factor was proposed by Petroski and Achenbach [Engng Fracture Me&. 10,257 (1978)J. The limited ac
The calculation of crack opening area and crack opening volume from stress intensity factors
β Scribed by P. Streitenberger; John F. Knott
- Publisher
- Springer Netherlands
- Year
- 1996
- Tongue
- English
- Weight
- 316 KB
- Volume
- 76
- Category
- Article
- ISSN
- 1573-2673
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Accurate finite element analyses of compact tension specimens have been performed giving stress intensity factors slightly above those of existing analytical solutions. Crack mouth openings are also grven. Simple formulae for both stress intensity and crack opening yielding errors within a couple of
The stress-intensity factor and the size of the crack opening have been calculated for a linearly viscoelastic strip with a slowly propagating central crack. The edges of the infinitely long strip are displaced normal to the crack and both clamped and shear-free strip edges have been investigated. T