Stress-chain based micromechanics of sand with grain shape effect

K Maeda, H Sakai, A Kondo, T Yamaguchi, M Fukuma… - Granular Matter, 2010 - Springer
The mechanical behaviors of granular media are controlled by grain properties and
microstructure. The primary property of granular media is denoted by its grain shape, grain …

Stress–dilatancy and force chain evolution

A Tordesillas, J Shi… - International Journal for …, 2011 - Wiley Online Library
The evolution of internal structure plays a pivotal role in the macroscopic response of
granular materials to applied loads. A case in point is the so‐called 'stress–dilatancy …

Granular vortices: identification, characterization and conditions for the localization of deformation

A Tordesillas, S Pucilowski, Q Lin, JF Peters… - Journal of the …, 2016 - Elsevier
We relate the micromechanics of vortex evolution to that of force chain buckling and, on this
basis, formulate the conditions for strain localization in a continuum model of dense granular …

Quantitative distribution characteristics of force chains for asphalt mixtures with three skeleton structures using discrete element method

M Chang, J Pei, J Zhang, X Xing, S Xu, R Xiong, J Sun - Granular Matter, 2020 - Springer
Three digital specimens of asphalt mixtures (AC-13, SMA-13 and OGFC-13) were
reconstructed to conduct a virtual simple performance test using the discrete element …

Taxonomy of granular rheology from grain property networks

DM Walker, A Tordesillas - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
We construct complex networks from symbolic time series of particle properties within a
dense quasistatically deforming granular assembly subjected to biaxial compression. The …

Time‐dependent compaction as a mechanism for regular stick‐slips

MPA Van den Ende… - Geophysical Research …, 2018 - Wiley Online Library
Owing to their destructive potential, earthquakes receive considerable attention from
laboratory studies. In friction experiments, stick‐slips are studied as the laboratory …

Quantitative analysis on force chain of asphalt mixture under haversine loading

M Chang, P Huang, J Pei, J Zhang… - Advances in Materials …, 2017 - Wiley Online Library
AC‐13 asphalt mixture was taken as the research object to investigate the evolution and
distribution laws of force chains. A digital specimen of AC‐13 asphalt mixture was …

Effect of aggregate size on the slump and uniaxial compressive strength of concrete: a DEM study

A Farahani, M Sharifi, H Bayesteh - Particulate Science and …, 2024 - Taylor & Francis
The aggregate size and particle-size distribution (PSD) can change the packing density,
slump, and strength of concrete. The micromechanical effects of aggregate size on the …

Numerical simulation study on formation mechanism of void distributions of proppant particles

S Hu, S Guan, G Feng, X Zhang, Y Chen, S Li - Powder Technology, 2021 - Elsevier
Investigations of void distributions and formation mechanisms of proppant particles in
closure fractures have extremely major significance for improving the production of coalbed …

The influence of non-coaxiality on shear banding in viscous-plastic materials

H Muhlhaus, L Moresi, L Gross, J Grotowski - Granular Matter, 2010 - Springer
Many of the most important and commonly occurring, emergent geological structures such
as shear bands, fault zones and folds may be understood as a consequence of changes in …