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Publications (11/11 displayed)
- 2021Modelling of thermal conductivity and nonlinear mechanical behavior of straw insulation composite by a numerical homogenization approachcitations
- 2017Experimental Assessment of Hygrothermal properties of clay-Sunflower (Helianthus annuus) and Rape Straw (Brassica napus) Bio-Composites
- 2017In Situ Performance Assessment of a Bio-Sourced Insulation Material from an Inverse Analysis of Measurements on a Demonstrator Buildingcitations
- 2015Pyrolysis gases released during the thermal degradation of insulation materials based on straw fiberscitations
- 2012Modeling Damage by Crack Nucleation and Growth in Porous Mediacitations
- 2012Modeling Damage by Crack Nucleation and Growth in Porous Mediacitations
- 2012A note on the numerical homogenisation of the mechanical behaviour of an argillaceous rockcitations
- 2012Hydromechanical properties of some mortars used in some ecologic construction techniques
- 2012Hydromechanical properties of some mortars used in some ecologic construction techniques
- 2007Effective poroelastic properties of transversely isotropic rock-like composites with arbitrarily oriented ellipsoidal inclusionscitations
- 2003A short- and long-term rheological model to understand the collapses of iron mines in Lorraine, Francecitations
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article
A note on the numerical homogenisation of the mechanical behaviour of an argillaceous rock
Abstract
This paper deals with a micromechanical analysis of the nonlinear behaviour of a composite-like rock material using a numerical approach based on finite element analysis. The rock material is assumed to be a composite with an argillaceous matrix and quartz or calcite inclusions. A nonlinear Voce model combined with the viscoplastic Perzyna's law is chosen to describe the behaviour of the matrix material, while the quartz and calcite particles were modelled with classical linear elasticity theory. The effect of mineral inclusions' morphology on the macroscopic behaviour was examined with the aim of highlighting the choice of spherical shape in similar studies.