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The Cryosphere An interactive open-access journal of the European Geosciences Union
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This paper details a new algorithm for performing computational experiments of subglacial granular deformation. The numerical approach allows detailed studies of internal sediment and pore-water dynamics under shear. Feedbacks between sediment grains and pore water can cause rate-dependent strengthening, which additionally contributes to the plastic shear strength of the granular material. Hardening can stabilise patches of the subglacial beds with implications for landform development.
Articles | Volume 9, issue 6
The Cryosphere, 9, 2183–2200, 2015
https://doi.org/10.5194/tc-9-2183-2015
The Cryosphere, 9, 2183–2200, 2015
https://doi.org/10.5194/tc-9-2183-2015

Research article 20 Nov 2015

Research article | 20 Nov 2015

A new methodology to simulate subglacial deformation of water-saturated granular material

A. Damsgaard et al.

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Short summary
This paper details a new algorithm for performing computational experiments of subglacial granular deformation. The numerical approach allows detailed studies of internal sediment and pore-water dynamics under shear. Feedbacks between sediment grains and pore water can cause rate-dependent strengthening, which additionally contributes to the plastic shear strength of the granular material. Hardening can stabilise patches of the subglacial beds with implications for landform development.
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