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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 ,
Marc C. Fivel  and
Yves Bréchet
Charles Brugger
Affiliation:
[email protected], SIMaP, GrenobleINP/CNRS, St Martin d'Hères, France
Marc C. Fivel
Affiliation:
[email protected], SIMaP, GrenobleINP/CNRS, St Martin d'Hères, France
Yves Bréchet
Affiliation:
[email protected], 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.

Keywords

simulationcompositeceramic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1188: Symposium LL – Architectured Multifunctional Materials , 2009 , 1188-LL05-05
Copyright
Copyright © Materials Research Society 2009

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References

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