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

Dinant Krijgsman; Stefan Luding

doi:10.1063/1.4812159

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

Dinant Krijgsman, Stefan Luding

Faculty of Engineering Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

5 Citations (Scopus)

121 Downloads (Pure)

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.

Original language	English
Title of host publication	Powders and Grains 2013
Subtitle of host publication	Proceedings of the 7th International Conference on Micromechanics of Granular Media
Editors	Aibing Yu, Kejun Dong, Runyu Yang, Stefan Luding
Publisher	American Institute of Physics
Pages	1226-1229
ISBN (Print)	978-0-7354-1166-1
DOIs	https://doi.org/10.1063/1.4812159
Publication status	Published - 8 Jul 2013
Event	7th International Conference on Micromechanics of Granular Media, Powders and Grains 2013 - Sydney, Australia Duration: 8 Jul 2013 → 12 Jul 2013 Conference number: 7 http://www.pg2013.unsw.edu.au/

Publication series

Name	AIP Conference Proceedings
Publisher	AIP Publishing LLC
Volume	1542
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	7th International Conference on Micromechanics of Granular Media, Powders and Grains 2013
Abbreviated title	Powders & Grains
Country/Territory	Australia
City	Sydney
Period	8/07/13 → 12/07/13
Internet address	http://www.pg2013.unsw.edu.au/

Keywords

Granular
Pure shear
DPM
Constitutive model
Anisotropy

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10.1063/1.4812159

Krijgsman2013cyclicAccepted author version, 119 KB
Krijgsman2013cyclicFinal published version, 538 KBLicence: CC BY

Cite this

Krijgsman, D., & Luding, S. (2013). 2D cyclic pure shear of granular materials, simulations and model. In A. Yu, K. Dong, R. Yang, & S. Luding (Eds.), Powders and Grains 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media (pp. 1226-1229). (AIP Conference Proceedings; Vol. 1542). American Institute of Physics. https://doi.org/10.1063/1.4812159

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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.",

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note = "7th International Conference on Micromechanics of Granular Media, Powders and Grains 2013, Powders & Grains ; Conference date: 08-07-2013 Through 12-07-2013",

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Krijgsman, D & Luding, S 2013, 2D cyclic pure shear of granular materials, simulations and model. in A Yu, K Dong, R Yang & S Luding (eds), Powders and Grains 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP Conference Proceedings, vol. 1542, American Institute of Physics, pp. 1226-1229, 7th International Conference on Micromechanics of Granular Media, Powders and Grains 2013, Sydney, New South Wales, Australia, 8/07/13. https://doi.org/10.1063/1.4812159

2D cyclic pure shear of granular materials, simulations and model. / Krijgsman, Dinant; Luding, Stefan.
Powders and Grains 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. ed. / Aibing Yu; Kejun Dong; Runyu Yang; Stefan Luding. American Institute of Physics, 2013. p. 1226-1229 (AIP Conference Proceedings; Vol. 1542).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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N2 - 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.

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KW - DPM

KW - Constitutive model

KW - Anisotropy

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Y2 - 8 July 2013 through 12 July 2013

ER -

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

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