A numerical approach for determining weight functions in fracture mechanics
β Scribed by M. Beghini; L. Bertini; E. Vitale
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 842 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0029-5981
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π SIMILAR VOLUMES
The dual boundary element method coupled with the weight function technique is developed for the analysis of three-dimensional elastostatic fracture mechanics mixed-mode problems. The weight functions used to calculate the stress intensity factors are deΓΏned by the derivatives of traction and displa
In this paper, a variational technique is described and used to determine the weight functions for three-dimensional dynamic, mixed-mode problems in fracture mechanics. The weight functions required to calculate the stress intensity factors are defined in terms of the derivatives of both traction an
The use of Green's functions has been considered a powerful technique in the solution of fracture mechanics problems by the boundary element method (BEM). Closed-form expressions for Green's function components, however, have only been available for few simple 2-D crack geometry applications and req
numerical simulation of the stable crack growth in a thick smooth compact tension specimen with two-dimensional elastic-plastic finite element analyses is presented. The different fracture behaviors in the center and near the side surfaces of the specimen were accounted for by using plane strain ana