Spectral methods for full-field micromechanical modelling of polycrystalline materials

RA Lebensohn, AD Rollett - Computational Materials Science, 2020 - Elsevier
Modelling the mechanical behavior of polycrystalline materials based on their evolving
microstructure and the anisotropic properties of their constituent single crystal grains is …

Multiscale modeling of ice deformation behavior

M Montagnat, O Castelnau, PD Bons, SH Faria… - Journal of Structural …, 2014 - Elsevier
Understanding the flow of ice in glaciers and polar ice sheets is of increasing relevance in a
time of potentially significant climate change. The flow of ice has hitherto received relatively …

Deformation–progressive or multiphase?

H Fossen, GCG Cavalcante, RVL Pinheiro… - Journal of Structural …, 2019 - Elsevier
Complexly deformed rocks that exhibit refolded folds and overprinting planar fabrics are
often interpreted as the result of polyphase deformation and described in a scheme of …

[HTML][HTML] Enhanced structural analysis through a hybrid analogue-digital mapping approach: integrating field and UAV survey with microtomography to characterize …

E Fazio, G Ortolano, GI Alsop, A D'Agostino… - Journal of Structural …, 2024 - Elsevier
This study focused on collecting structural data orientations of a crustal-scale shear zone
(Palmi Shear Zone, PSZ, southern Calabria, Italy,) by integrating various analytical and field …

Microstructure and fabric development in ice: lessons learned from in situ experiments and implications for understanding rock evolution

CJL Wilson, M Peternell, S Piazolo, V Luzin - Journal of Structural Geology, 2014 - Elsevier
In this contribution we present a review of the evolution of microstructures and fabric in ice.
Based on the review we show the potential use of ice as an analogue for rocks by …

The ephemeral development of C′ shear bands: A numerical modelling approach

MA Finch, PD Bons, F Steinbach, A Griera… - Journal of Structural …, 2020 - Elsevier
C′ shear bands are ubiquitous structures in shear zones but their development is poorly
understood. Previous research has determined they mostly occur in rocks with a high …

Dynamic recrystallization during deformation of polycrystalline ice: insights from numerical simulations

MG Llorens, A Griera, F Steinbach… - … of the Royal …, 2017 - royalsocietypublishing.org
The flow of glaciers and polar ice sheets is controlled by the highly anisotropic rheology of
ice crystals that have hexagonal symmetry (ice lh). To improve our knowledge of ice sheet …

Full-field predictions of ice dynamic recrystallisation under simple shear conditions

MG Llorens, A Griera, PD Bons, RA Lebensohn… - Earth and Planetary …, 2016 - Elsevier
Understanding the flow of ice on the microstructural scale is essential for improving our
knowledge of large-scale ice dynamics, and thus our ability to predict future changes of ice …

Dynamic recrystallisation of ice aggregates during co-axial viscoplastic deformation: a numerical approach

MG Llorens, A Griera, PD Bons, J Roessiger… - Journal of …, 2016 - cambridge.org
Results of numerical simulations of co-axial deformation of pure ice up to high-strain,
combining full-field modelling with recrystallisation are presented. Grain size and lattice …

Shear margins in upper half of Northeast Greenland Ice Stream were established two millennia ago

D Jansen, S Franke, CC Bauer, T Binder… - Nature …, 2024 - nature.com
Only a few localised ice streams drain most of the ice from the Greenland Ice Sheet. Thus,
understanding ice stream behaviour and its temporal variability is crucially important to …