Discrete dynamic modelling of the mechanical behaviour of a granular soil

•3D discrete element modelling of a boulder falling on a granular medium is validated by comparison with results from the literature.•Energy absorbing system within the impacted medium consists in energy transfers and energy dissipation.•Bouncing regimes exists depending on boulder sizes (in case of...

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Veröffentlicht in:	International journal of impact engineering 2017-05, Vol.103, p.76-89
Hauptverfasser:	Zhang, Lingran, Lambert, Stéphane, Nicot, François
Format:	Artikel
Sprache:	eng
Schlagworte:	Bouncing Civil Engineering Discrete element method Dispersions Dynamic models Energy dissipation Energy distribution Engineering Sciences Granular material Géotechnique Impact Impact loads Kinetic energy Mathematical models Mechanical properties Particle shape Penetration depth Propagation Rockfall Rolling resistance Soil dynamics Soil investigations Soil mechanics Strain
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