TITLE

2D cyclic pure shear of granular materials, simulations and model

AUTHOR(S)
Krijgsman, D.; Luding, S.
PUB. DATE
June 2013
SOURCE
AIP Conference Proceedings;Jun2013, Vol. 1542 Issue 1, p1226
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Discrete particle simulations of granular materials under 2D, isochoric, cyclic pure shear have been performed and are compared to a recently developed constitutive model involving a deviatoric yield stress, dilatant stresses and structural anisotropy. The original model shows the cyclic response qualitatively, but suffers from an artificial drift in pressure. With a small modification in the definition of the stress anisotropy and an additional limit-pressure term in the evolution equation for the pressure, it is able to show the transient as well as the limit cycles. The overall goal - beyond the scope of the present study - is to develop a local constitutive model that is able to predict real life, large scale granular systems.
ACCESSION #
88261669

 

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