Evaluation of K-factors and weight functions for 2-d mixed-mode multiple cracks by the boundary element alternating method
✍ Scribed by H. Rajiyah; S.N. Atluri
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 897 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0013-7944
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✦ Synopsis
The concept of the Schwartz-Neumann alternating method, in conjunction with the boundary element method to solve for the stresses in an untracked body and an analytical solution for an embedded 2-D crack subjected to arbitrary crack face loading in an infinite domain, is used to determine the mixed-mode K-factors and weight functions for cracks in finite bodies. Situations of edge-crilcks, as weil as mukiple cracks, all under mixed mode ioading, are considered. The bo~dary element method is better suited for these problems since, ~intwise eval~tion of stresses at the location of the crack in the untracked body is more accurate and simple once the tractions and displacements on the boundary are determined. It is expected that the above method would yield highly accurate results in the least expensive way, even compared to the finite element alternating method.