Entropy and temperature of a static granular assembly: an ab initio approach.

@article{Henkes2007EntropyAT,
  title={Entropy and temperature of a static granular assembly: an ab initio approach.},
  author={S. Henkes and C. O'Hern and B. Chakraborty},
  journal={Physical review letters},
  year={2007},
  volume={99 3},
  pages={
          038002
        }
}
We construct a statistical framework for static assemblies of deformable grains which parallels that of equilibrium statistical mechanics but with a conservation principle based on the mechanical stress tensor. We define a state function that has all the attributes of entropy. In particular, maximizing this function leads to a well-defined granular temperature and the equivalent of the Boltzman distribution for ensembles of grain packings. Predictions of the ensemble are verified against… Expand
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