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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...
Highly nonlinear solitary waves in heterogeneous periodic granular media
Numerical simulation of highly nonlinear solitary wave dimer and trimer one-dimensional particle lattice structure
2014/12/24
We use experiments, numerical simulations, and theoretical analysis to investigate the propagation of highly nonlinear solitary waves in periodic arrangements of dimer (two-mass) and trimer (three-mas...
Laboratory experiments and numerical simulation reveal that a submerged intruder dragged hor-
izontally at constant velocity within a granular medium experiences a lift force whose sign and
magnitud...
Frustration and disorder in granular media and tectonic blocks:implications for earthquake complexity
granular media tectonic blocks implications for earthquake complexity
2009/11/16
We present exploratory analogies and speculations on the mechanisms underlying the organization of faulting and earthquake in the earth crust. The mechanical properties of the brittle lithosphere at s...