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Computational modeling of deformation bands in granular media. I. Geological and mathematical framework
Deformation bands Granular media
2015/7/1
Failure of granular media under natural and laboratory loading conditions involves a variety of micromechanical processes producing several geometrically, kinematically, and texturally distinct types ...
Computational modeling of deformation bands in granular media. II. Numerical simulations
Deformation bands Granular media
2015/7/1
Development of accurate mathematical models of geomaterial behavior requires a more fundamental understanding of the localization phenomena; in particular, the important factors responsible for the in...
A finite-element (FE) model of localized deformation in soft rock taking a strong discontinuity approach is presented. The model is formulated within the context of rate-independent, nonassociated Dru...
Instrumented nanoindentation and 3D mechanistic modeling of a shale at multiple scales
Anisotropy Creep FIB-SEM Heterogeneity Nanoindentation Shale
2015/7/1
Nanoindentation tests, spanning various length scales ranging from 200 nm to 5 lm deep, were performed on a sample of organic-rich Woodford shale in both the bedding plane normal and bedding plane par...