We introduced a numerical method that is applicable for the analysis of static and dynamic deformations of elastic media. In this numerical study, each elastic body is modeled with a system of several hundred rigid particles that are joined together elastically. Maximum shear stress fields due to external loading are obtained and compared with those obtained by photoelastic experiment. Preliminary results are presented for the stresses generated in circular disk shaped bodies idealized with connected systems of particles. Extension of this simulation method to fragmentation of brittle materials ins also illustrated in an example.
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