We consider the incrementaL response of a deformed aggregate of spherical particles that interact through elastic, frictional contacts. We show that when the principal axes of the incrementai strain do not coincide with the principal axes of the existing strain, the average rotation of the particles is not the same as the average rotation of the aggregate. We incorporate this difference when calculating the effective moduli of the deformed aggregate.
Particle Spin, Induced Anisotropy, and Effective Moduli in Granular Materials / Jenkins, J. T.; LA RAGIONE, Luigi. - (2002), pp. 111-118.
Particle Spin, Induced Anisotropy, and Effective Moduli in Granular Materials
LA RAGIONE, Luigi
2002-01-01
Abstract
We consider the incrementaL response of a deformed aggregate of spherical particles that interact through elastic, frictional contacts. We show that when the principal axes of the incrementai strain do not coincide with the principal axes of the existing strain, the average rotation of the particles is not the same as the average rotation of the aggregate. We incorporate this difference when calculating the effective moduli of the deformed aggregate.File in questo prodotto:
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