A circular element centered at the crack tip is constructed. According to the first four terms of Williams stress function, the displacement pattern with singularity is given to the circular element, where unknown parameters are considered as generalized nodal displacements. On the interface between
โฆ LIBER โฆ
The calculation of the combined mode stress intensity factor KI + KII by the high order singular strain circular element
โ Scribed by Si-Kui Yu; Hai-Ping Hu; Zhi-Tan Li
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 89 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0013-7944
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A wedge-opening loading (WOL) type of specimen with an instrumented bolt has been developed which can be used to determine the threshold stress-intensity factor Klscc and the crack growth rates daldt at the same time. Strain gages were cemented on the surface of instrumented bolts. During the test,