Abstract

Abstract

Highlights

  • When describing ordinary solids or fluids we are usually not interested in the behaviour of the individual atoms

  • Summary We presented a numerical scheme for the hydrodynamic simulation of granular systems in three dimensions

  • Unlike previous methods used, e.g. in soil mechanics or rapid gas flows, our method is not restricted to a certain range of density

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Summary

Introduction

When describing ordinary solids or fluids we are usually not interested in the behaviour of the individual atoms. This approach can be valuable for systems where a large number of particles are involved, such as sand dunes (e.g. Schwämmle & Herrmann 2003), planetary rings (e.g. Borderies, Goldreich & Tremaine 1985) or geological flows

Shakeri and others
Hydrodynamic description of granular systems
Operator splitting
Solution operator for the convection equation
Boundary conditions
Numerical validation
Sedimentation test
Bouncing bed test
Flow on a pile with rough sidewalls
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