Elastic behavior in Contact Dynamics of rigid particles

Details Elastic behavior in Contact Dynamics of rigid particles Elastic behavior in Contact Dynamics of rigid particles

2002-03-27

arxiv.org/abs/cond-mat/0203575v1

Phys. Rev. E 65, 061305 (2002)

Physics

Condensed Matter

Soft Condensed Matter

submitted to PRE, 7 pages, 6 figures

Scientific paper

10.1103/PhysRevE.65.061305

The systematic errors due to the practical implementation of the Contact Dynamics method for simulation of dense granular media are examined. It is shown that, using the usual iterative solver to simulate a chain of rigid particles, effective elasticity and sound propagation with a finite velocity occur. The characteristics of these phenomena are investigated analytically and numerically in order to assess the limits of applicability of this simulation method and to compare it with soft particle molecular dynamics.

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