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Constitutive Modeling of the Cyclic Loading Response of Low Plasticity Fine-Grained Soils Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Numerical Simulation of Sand Flow Using Molecular Dynamics Approach

Authors : Ziyang Zhao, Jun Zhang, Zhenshan Guo

Published in: Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours

Publisher: Springer Singapore

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Abstract

In view of the fact that the molecular dynamics (MD) method is similar to the discrete element method (DEM), which is suitable to model granular material and to observe the trajectory characteristic of a single particle, so to possibly identify its dynamical properties. A set of laboratory model tests of sand granular flow was performed, during which the configurations of sand granular flow were captured by the monitoring system. Thereafter the MD approach was used to study the three-dimensional gravity-driven granular flow of sand in a model box inclined at 0°. In addition, the simulated sand granular flow behavior was compared with previous experimental results, which showed a high degree of similarity. This indicated that the MD method can accurately represent the evolution of the sand granular flow. Finally, it was proposed that the MD method probably can be applied for predicting the flow properties of various soil flow problems.

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previous chapter Probabilistic Analysis of Responses of Tunnel Under the Surcharge Considering Soil Vertical Spatial Variability
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Metadata
Title
Numerical Simulation of Sand Flow Using Molecular Dynamics Approach
Authors
Ziyang Zhao
Jun Zhang
Zhenshan Guo
Copyright Year
2018
Publisher
Springer Singapore
Book
Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours

Print ISBN: 978-981-13-0124-7

Electronic ISBN: 978-981-13-0125-4

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-981-13-0125-4_74