The moving singularity of the crack tip in a plane-stress plate causes a highly dynamic stress field of varying intensity with time, throughout the period of the propagation of the crack. This dynamic stress field results in a considerable change of the mechanical and optical properties of a strain-
β¦ LIBER β¦
A variational multiscale method to model crack propagation at finite strains
β Scribed by J. Mergheim
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 753 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.2602
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This work extends a previously developed methodology for computational plasticity at ΓΏnite strains that is based on the exponential map and logarithmic stretches to the context of isotropic elasto-viscoplastic solids. A particular form of the strain-energy function, given in terms of its principal v