Material forces in computational single-slip crystal-plasticity

Menzel, A., Denzer, R. and Steinmann, P. (2005) Material forces in computational single-slip crystal-plasticity. Computational Materials Science, 32(3-4), pp. 446-454. (doi: 10.1016/j.commatsci.2004.09.021)

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Abstract

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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Steinmann, Professor Paul
Authors: Menzel, A., Denzer, R., and Steinmann, P.
College/School:College of Science and Engineering > School of Engineering > Infrastructure and Environment
Journal Name:Computational Materials Science
Publisher:Elsevier
ISSN:0927-0256
ISSN (Online):1879-0801
Published Online:16 November 2004
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