Aktract-The mode II (forward shear) fracture of western hemlock wood beams is -studied. Results of a finite element analysis are presented showing the relationship between the mode II stress-intensity factor and the geometry of the wood beam. Two types of loading are considered: a concentrated load
On estimates of stress intensity factors for cracked beams and pipes
β Scribed by Gao Huajian; George Herrmann
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 931 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0013-7944
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π SIMILAR VOLUMES
As is shown in our previous work, the energy release rates for viscoelastic bodies are equal to the rates of crack-closure energy. By using the solution for the e~~ck-border stress and displacement fields of viscoelastic solids, the time dependent G,-Ki relationships for viscoelastic cracked bodies
Kienzler and Hernnan recently showed that good and remarkably simple approximations of the stress intensity factors of cracks in beams can be obtained by bending theory estimations of the strain energy release as the crack is widened into a band of finite width. Their method has been based on equati
A simple method is described which allows the estimation of local stress intensity factors of two-dimensional cracks by use of the weight function basic relation. The method is applied especially to semi-elliptical surface cracks. Two examples are considered. The half-penny shaped crack under bendin