Numerical Simulation of Localization in Granular Materials

by J. P. Bardet, Univ of Southern California, Los Angeles, United States,
J. Proubet, Univ of Southern California, Los Angeles, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

The structure of persistent shear bands in granular materials is investigated by numerically simulating an idealized assembly of two-dimensional particles. Flexible stress-controlled boundaries are used instead of periodic boundaries to avoid constraining the motion of particles within the shear bands. The displacement, rotations of the particles and rotations of their neighborhoods are examined within the shear band.

Subject Headings: Granular materials | Particles | Numerical models | Rotation | Numerical analysis | Two-dimensional models | Domain boundary

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