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Material forces in computational single-slip crystal-plasticity

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Author

Summary, in English

In this contribution, we elaborate the material force method with application to standard dissipative materials, in particular crystal-(elasto)plasticity. It thereby turns out that material heterogeneities caused by the gradient of the corresponding slip parameters induce additional material volume forces. As a result, we observe that these forces contribute to computations of typical boundary value problems as e.g. the calculation of the J-integral in fracture mechanics. Their impact on numerical results is discussed by means of a straight traction free crack under mode I loading conditions whereby, special emphasis is placed on different orientations of the underlying crystalline microstructure.

Publishing year

2005

Language

English

Pages

446-454

Publication/Series

Computational Materials Science

Volume

32

Issue

3-4

Document type

Journal article

Publisher

Elsevier

Topic

  • Mechanical Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 0927-0256