Forces on the walls and stagnation zones in a hopper filled with granular material

Gerald H. Ristow and Hans J. Herrmann

Physica A: Statistical Mechanics and its Applications, 1995, vol. 213, issue 4, 474-481

Abstract: We measure the pressure and the shear forces acting on the walls of an outflowing hopper using Molecular Dynamics simulations. We find very strong fluctuations which for large opening angles follow a power spectrum but have white noise for smaller angles. We also calculate the shape of the stagnation zones that appear during funnel flow and compare it to the experimentally observed ones.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:213:y:1995:i:4:p:474-481

DOI: 10.1016/0378-4371(94)00249-S

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