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This paper focuses attention on the modeling of a particle assembly bonded by a visco-elastic binder material. The inter-particle behavior for two particles with a visco-elastic binder is modeled based on two basic elements, a spring and a dashpot. Different combinations of the basic elements characterize different inter-particle behavior. Here, we mainly consider the visco-elastic binder of Maxwell...
Wave propagation in granular materials is numerically studied using discrete element simulation. Primary interest is concerned with linking material microstructure with wave propagational behaviors for materials composed of elliptical particles. The discrete element (DEM) scheme uses a nonlinear hysteretic contact law which accounts for differences related to the radius of curvature at the interparticle...
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