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Strain energy release rates for internal cracks in rubber blocks

✍ Scribed by Y. W. Chang; A. N. Gent; J. Padovan

Publisher
Springer Netherlands
Year
1993
Tongue
English
Weight
343 KB
Volume
60
Category
Article
ISSN
1573-2673

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✦ Synopsis

Strain energy release rates have been calculated by Finite Element Analysis (FEA) for growth of a small crack in a cylindrical rubber block under tension. The crack was assumed to lie in the center of the block in a plane perpendicular to its axis. The rubber was taken to be virtually incompressible in bulk and non-linearly elastic. Only small changes were found in the stress-concentrating effect of the crack for imposed tensile strains of up to 150 per cent. Secondly, the rubber cylinder was assumed to be bonded between two parallel fiat rigid plates. The stressconcentrating effect of the crack was found to increase markedly as the thickness of the bonded rubber block was reduced, but again it was only slightly dependent on the applied tensile strain.

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Energy release rate for cracks in finite
Energy release rate for cracks in finite-strain elasticity
✍ Dorothee Knees; Alexander Mielke πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 268 KB

## Abstract Griffith's fracture criterion describes in a quasistatic setting whether or not a pre‐existing crack in an elastic body is stationary for given external forces. In terms of the energy release rate (ERR), which is the derivative of the deformation energy of the body with respect to a vir