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Keywords: normal coefficient
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Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-631
..., the required input data are the normal coefficient of restitution, the tangential coefficient of restitution and the coefficient of rolling friction. In order to accommodate shape and rotational effects in lumped mass models, two empirical factors related to size and normal impact velocity are employed. Using...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-551
... simulations is the uncertainty and large variability of physical parameters such as coefficients of friction and normal coefficient of restitution. Rocks come in various shapes and sizes. Rock slope surfaces are rugged and materially inhomogeneous. In such situations deterministic analyses are rather futile...

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