A thermomicromechanical approach to multiscale continuum modeling of dense granular materials
A Tordesillas, M Muthuswamy
ACTA GEOTECHNICA | SPRINGER HEIDELBERG | Published : 2008
A new method is proposed for the development of a class of elastoplastic thermomicromechanical constitutive laws for granular materials. The method engenders physical transparency in the constitutive formulation of multiscale phenomena from the particle to bulk. We demonstrate this approach for dense, cohesionless granular media under quasi-static loading conditions. The resulting constitutive law-expressed solely in terms of particle scale properties-is the first of its kind. Micromechanical relations for the internal variables, tied to nonaffine deformation, and their evolution laws, are derived from a structural mechanical analysis of a particular mesoscopic event: confined, elastoplastic..View full abstract
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Awarded by Australian Research Council
Awarded by US Army Research Office
We acknowledge the support of the Australian Research Council (Discovery Grant DP0558808) and the US Army Research Office (Grant DAAD19-02-1-0216). We sincerely thank Dr Jingyu Shi for assistance in the preparation of this manuscript.