The fatigue and fracture performance of a cracked plate can be substantially improved by providing patches as reinforcements. The effectiveness of the patches is related to the reduction they cause in the stress intensity factor (SIF) of the crack. So, for reliable design, one needs an accurate eva
Photoelastic determination of stress intensity factors in patched cracked plates
β Scribed by A. Subramanian; Ramesh Chandra; M.V.V. Murthy; A.K. Rao
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 824 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0013-7944
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π SIMILAR VOLUMES
THE sraxss distribution in a plate into which a crack is generated has been studied by many investigators. The most earlier contri&tuions are due to Inglis[ll, who studied the stresses around an elliptic hole in an iu8nite plate and to Westergaard [2], who treated the crack problem by the complex. v
An improvement of the one-parameter extrapolation method of photoelastic determination of complex (mixed-mode) stress intensity factors at straight or curvilinear crack tips in a plane isotropic elastic medium due to Smith et aL[12, I31 can be achieved by measuring the absolute value of such a facto
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