A precise computation of stress intensity factor on the front of a convex planar crack
β Scribed by Oscar Ascenzi; Lorenzo Pareschi; Fausto Segala
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 206 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.425
No coin nor oath required. For personal study only.
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A numerical algorithm is presented for the problem of a crack along the interface of an elastic inclusion embedded in an elastic plane subjected to uniform stress at inΓΏnity. The algorithm is based on a Fredholm integral equation of the second kind and allows for fast and accurate solutions to geome
## Abstract Stress intensity factors were calculated for partly circumferential surface cracks at the outside of a pipe. The pipe is loaded by internal pressure and by thermal stresses. The weight functions method is used to calculate averaged weighted stress intensity factors at the deepest point
By means of the finite element method crack opening displacements were calculated for long axial surface cracks at the outer wall of a pipe. The wall thickness to inner radius ratio of the pipe was 1 to 10. Following a procedure introduced be Mattheck et al. weight functions were evaluated by means