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
Quasistatic Crack Growth in Elasto-Plastic Materials: The Two-Dimensional Case
β Scribed by Gianni Dal Maso; Rodica Toader
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 464 KB
- Volume
- 196
- Category
- Article
- ISSN
- 0003-9527
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In the first part of this paper Per1 et al., Engng Fruct. Mech. 23, 321-331 (19861, a numerical model for simulating fatigue creep crack growth in a visco-elasto-plastic material was proposed. In the present paper this numerical model is validated and corroborated by comparing its prediction of a-N
## Ahatraet-A suitable elastic stress field near the crack line has been reasonably assumed and successful analysis has been made of a near crack line field for a quasistatically propagating plane stress tensile crack in an elasti~perfectly plastic material. A complete solution for the strain on t