1054
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
Figure 5. Normal contact force network in the sand pile formed in the
dry condition (top) and in water (bottom).
between the DEM and the CFD computations such interaction
forces as the drag force, the buoyancy force and the virtual mass
force. The coupled numerical tool has been benchmarked by
two classic soil mechanics problems and has been further
applied to the prediction of sandpiling in water. These examples
demonstrate that the proposed method is capable of capturing
the main feature of fluid-particle interaction from a microscopic
point of view. It is robust and efficient and has the potential to
be applied to a wider range of geomechanics problems where
fluid-particle interactions are important.
5 ACKNOWLEDGEMENTS
The study was supported by Research Grants Council of Hong
Kong (through GRF
622910
).
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