A finite element method for gradient elasto-plastic continuum in which the yield strength of strain hardening/softening materials not only depends on the effective plastic strain but also on its Laplacian is presented. The consistent integration algorithm to update the stress and the internal state
β¦ LIBER β¦
Plasticity theory of microinhomogeneous materials at large strain gradient
β Scribed by Valery I. Levitas
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 285 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0093-6413
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The objective of this contribution is to model ductile damage phenomena under consideration of large inelastic strains, to couple the corresponding constitutive law with a multi-layer shell kinematics and to give ΓΏnally an adequate ΓΏnite element formulation. An elastic-plastic constitutive law is fo