A comparison is drawn between some of the elements most widely employed to model the tip region in elasto-plastic fracture mechanics: i.e. standard 6-node elements, 6-node quarterpoint elements, 8-node collapsed elements, I-node quarter-point collapsed elements. The discussion is particularly focuse
โฆ LIBER โฆ
Note on scaling in rigid-plastic fracture mechanics
โ Scribed by A.G. Atkins
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 127 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0020-7403
No coin nor oath required. For personal study only.
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Linear elastic treatment of fracture is considered applicable for net section stress up to about 0.8 the uniaxiai tensile yield stress. Crack front plastic yield is still small enough to be viewed and treated as a small perturbation to the local crack front elastic stress field. Assuming these same