Eshelby inclusions in granular matter: theory and simulations
Sean Mcnamara (IPR), J\'er\^ome Crassous (IPR), Axelle Amon (IPR)
TL;DR
This paper combines theoretical and simulation approaches to study how active inclusions affect granular materials under biaxial testing, focusing on the influence of friction and loading conditions.
Contribution
It introduces a numerical implementation of active inclusions in granular matter and compares results with theoretical predictions considering volume change and anisotropy.
Findings
Response depends on intra-granular friction coefficient
Response depends on degree of loading
Numerical results align with theoretical predictions
Abstract
We present a numerical implementation of an active inclusion in a granular material submitted to a biaxial test. We discuss the dependence of the response to this perturbation on two parameters: the intra-granular friction coefficient on one hand, the degree of the loading on the other hand. We compare the numerical results to theoretical predictions taking into account the change of volume of the inclusion as well as the anisotropy of the elastic matrix.
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