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The use of coupled nonlocal damage-plasticity to predict crack growth in ductile metal plates

Abstract:

A nonlocal coupled damage-plasticity model is presented for predicting crack growth within plates made from a ductile metallic alloy. The damage law is explicitly defined in terms of the accumulated nonlocal plastic strain ensuring efficient numerical implementation. On the basis of this model, a UMAT for the finite element (FE) package ABAQUS (implicit) is developed. Thin plates of different geometries were modelled and analysed using this model, and the numerical stability of the model has ...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Volume:
77
Issue:
11
Pages:
1721-1729
Publication date:
2010-07-05
DOI:
ISSN:
0013-7944
URN:
uuid:edb3ac1e-1d8f-4bf0-b8bb-8b0de0e36250
Source identifiers:
66231
Local pid:
pubs:66231

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