Can friction replace roughness in the numerical simulation of granular materials?

We perform numerical simulations of plane strain compression tests of Ottawa sand samples inspired by previous micro computed tomography experiments. The numerical code used for computations makes it possible to mimic in a realistic way the complex boundary conditions of the experimental test, and t...

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Veröffentlicht in:	GRANULAR MATTER 2020-05, Vol.22 (2), Article 42
Hauptverfasser:	Mollon, Guilhem, Quacquarelli, Adriana, Andò, Edward, Viggiani, Gioacchino
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary conditions Coefficient of friction Complex Fluids and Microfluidics Compression tests Computed tomography Computer simulation Engineering Fluid Dynamics Engineering Sciences Engineering Thermodynamics Foundations Friction Friction reduction Geoengineering Grains Granular materials Heat and Mass Transfer Hydraulics Industrial Chemistry/Chemical Engineering Materials Science Mechanical analysis Morphology Original Paper Physics Physics and Astronomy Plane strain Roughness Sand Soft and Granular Matter
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