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2017 | OriginalPaper | Chapter

DEM Modelling of Instability of Particulate Materials. Transitional Negative Stiffness

Authors : Yuan Xu, Elena Pasternak, Arcady Dyskin

Published in: Bifurcation and Degradation of Geomaterials with Engineering Applications

Publisher: Springer International Publishing

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Abstract

We show that broken bonds can act as negative stiffness elements, but during a very short time. If at the time of bond breakage the geomaterial was in an almost incompressible state due to for instance dilatancy in compression, the breakage leads to material instability that starts at the peak stress.

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Metadata
Title
DEM Modelling of Instability of Particulate Materials. Transitional Negative Stiffness
Authors
Yuan Xu
Elena Pasternak
Arcady Dyskin
Copyright Year
2017
DOI
https://doi.org/10.1007/978-3-319-56397-8_76