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Gradient plasticity with diffuse boundary derived from continuum mixture theory
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2007 (English)In: Computational Plasticity - Fundamentals and Applications, COMPLAS IX, 2007, no PART 2, 643-646 p.Conference paper (Refereed)
Abstract [en]

A mixture theory is used to derive a nonlocal plasticity model. The plastically deforming body consists of a solid skeleton and a liquid in a mixture. Macroscopic yielding is assumed for the solid and the yield function will depend on the presence of liquid from the submitted momentum supply. A microstructural assumption for the momentum supply will give a dependence of derivatives of effective plastic strain. Some room is given to discuss the possible extension and location of the plastic boundary.

Place, publisher, year, edition, pages
2007. no PART 2, 643-646 p.
Keyword [en]
Equation of state, Extended boundary condition, Gradient plasticity, Iteration formula, Mixture
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Other Physics Topics
URN: urn:nbn:se:kth:diva-154715ScopusID: 2-s2.0-84857157093ISBN: 978-849673629-0OAI: diva2:758333
9th International Conference on Computational Plasticity: Fundamentals and Applications, COMPLAS IX, 5 September 2007 through 7 September 2007, Barcelona, Spain

QC 20141027

Available from: 2014-10-27 Created: 2014-10-27 Last updated: 2014-10-27Bibliographically approved

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Strömberg, Lena
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