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Numerical Simulations of Topologically Interlocked Materials Coupling DEM Methods and FEM Calculations: Comparison with Indentation Experiments

Published online by Cambridge University Press:  31 January 2011

Charles Brugger
Affiliation:
charles.brugger@ens-cachan.org, SIMaP, GrenobleINP/CNRS, St Martin d'Hères, France
Marc C. Fivel
Affiliation:
Marc.Fivel@simap.grenoble-inp.fr, SIMaP, GrenobleINP/CNRS, St Martin d'Hères, France
Yves Bréchet
Affiliation:
yves.brechet@simap.grenoble-inp.fr, SIMaP, GrenobleINP/CNRS, St Martin d'Hères, France
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Abstract

Planar assemblies of interlocked cubic blocs have been tested in indentation. Experiments are performed on blocs made of plaster. Influence of key parameters such as the surface roughness, the compression stress and the number of blocs are investigated. A numerical modeling is then proposed based on discrete element method. Each bloc is represented by its centre coordinates. Constitutive equations obtained by finite element simulations are introduced to model the contact between the blocs. The numerical tool is then applied to the case of indentation loading. It is found that the model reproduces all the experimental tendencies.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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References

1 Dyskin, A.V., Estrin, Y., Pasternak, E., Khor, H.C. and Kanel-Belov, A.J., Adv. Eng. Mater. 5, 116 (2003).10.1002/adem.200390016CrossRefGoogle Scholar
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Numerical Simulations of Topologically Interlocked Materials Coupling DEM Methods and FEM Calculations: Comparison with Indentation Experiments
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