The three-dimensional problem of a semi-infinite plane crack whose faces experience normal and shear tractions is considered. The formulation departs significantly from the Papkovich-Neuber formulation used in the works of Kassir and Sih and Uflyand who have solved similar problems. This alternative
On the response to point forces suddenly applied to a semi-infinite crack
โ Scribed by L. R. F. Rose
- Publisher
- Springer Netherlands
- Year
- 1977
- Tongue
- English
- Weight
- 245 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0374-3535
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โฆ Synopsis
The solution to the title problem is presented in detail for the case of anti-plane deformation and compared with the more restricted solution available for the plane problem. When instantaneous point forces are applied to the crack's faces the stress ahead of the crack shows a delta-function singularity. It is shown that this result could be derived from a result first obtained by Friedlander.
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An in"nite periodic structure unsteady response to a forced excitation is considered. Any forced excitation can be presented as a sequence or a distribution of impulses. The instantaneous impulse is an in"nite sum of harmonic forces of the same amplitude and phase, whose frequencies "ll the in"nite
Static three-dimensional stress intensity factors of a semi-infinite plane crack are investigated in this paper. The deformations are caused by a pair of normal and tangential point forces acting on the crack faces but located away from the crack front. Cases of symmetric and anti-symmetric loadings