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Abstract
Numerical experiments were performed by a computer program TRUBAL, a discrete element model, to study the effect of particle friction and initial fabric on the evolution of fabric during shear deformation. Assemblies with lower inter‐particle friction had lower stiffness and yielded at lower shear stresses as compared with those with higher ones. Assemblies with lower inter‐particle friction dilated less and slower than those with higher ones. The anisotropic level that a fabric could reach depended on the inter‐particle friction. Assemblies with higher inter‐particle friction developed more anisotropic fabric. Depending on the shearing direction relative to the fabric axis, initial fabric influenced the mechanical behavior and fabric evolution of assemblies.
