Weakening of an elastic solid by a rectangular array of cracks
Journal Article
·
· J. Appl. Mech.; (United States)
An infinite elastic solid containing a doubly periodic rectangular array of slitlike cracks is considered. The solid is subjected to a uniform stress resulting in a state of plane strain. The cracks are represented as suitable distributions of dislocations which are determined from a singular integral equation. This equation is solved numerically in an efficient manner using an expansion of the nonsingular part of the kernel in a series of Chebyshev polynomials. Values of the stress-intensity factors are presented, as well as the change in strain energy due to the presence of the cracks. Also, the effective elastic constants of a sheet having rectangular array of cracks are given as functions of the crack spacing.
- Research Organization:
- Sandia Labs
- OSTI ID:
- 7053669
- Journal Information:
- J. Appl. Mech.; (United States), Journal Name: J. Appl. Mech.; (United States) Vol. 42:1; ISSN JAMCA
- Country of Publication:
- United States
- Language:
- English
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