Incorporating grain-scale processes in macroscopic sediment transport models
Sign Up to like & getrecommendations! Published in 2021 at "Acta Mechanica"
DOI: 10.1007/s00707-021-02951-4
Abstract: Sediment transport simulations face the challenge of accounting for vastly different scales in space and time that cannot be tackled by a unifying approach. Instead, processes are subdivided into a microscale at the particle level,… read more here.
Keywords: transport; sediment transport; transport models; particle ... See more keywords
A peek into the origin of creep in sand
Sign Up to like & getrecommendations! Published in 2019 at "Granular Matter"
DOI: 10.1007/s10035-018-0863-5
Abstract: This paper presents the results of an experimental study of the particle scale mechanisms that underpin creep, on-going deformations under constant external load, in dry non-cemented sand under 1D oedometric compression loading at 2500 kPa. Traditional… read more here.
Keywords: grain scale; sand; peek origin; creep sand ... See more keywords
Time-resolved grain-scale 3D imaging of hydrofracturing in halite layers induced by gypsum dehydration and pore fluid pressure buildup
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2020.116679
Abstract: Abstract Fluid release from dehydration reactions is considered to have significant effects on the strength and dynamics of tectonic faults at convergent plate boundaries. It is classically assumed that the production of fluid leads to… read more here.
Keywords: grain scale; halite layers; gypsum dehydration; dehydration ... See more keywords
Dynamic tensile behaviours of heterogeneous rocks: The grain scale fracturing characteristics on strength and fragmentation
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Impact Engineering"
DOI: 10.1016/j.ijimpeng.2018.04.006
Abstract: Abstract The dynamic tension behaviours of granites are tested with the split Hopkinson pressure bar and the quasi-static responses including the compression and Brazilian splitting are carried out with a material testing system. The experimental… read more here.
Keywords: grain scale; fracturing; model; rate ... See more keywords
The effects of packing structure on the effective thermal conductivity of granular media: A grain scale investigation
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2019.04.028
Abstract: Structural characteristics are considered to be the dominant factors in determining the effective properties of granular media, particularly in the scope of transport phenomena. Towards improved heat management, thermal transport in granular media requires an… read more here.
Keywords: packing structure; transport; granular media; effects packing ... See more keywords
Grain-scale modelling of swelling granular materials; application to super absorbent polymers
Sign Up to like & getrecommendations! Published in 2017 at "Powder Technology"
DOI: 10.1016/j.powtec.2017.06.015
Abstract: Abstract Swelling is an important process in many natural materials and industrial products, such as swelling clays, paper, and Super Absorbent Polymer (SAP) particles in hygienic products. SAP particles are capable to absorb large amounts… read more here.
Keywords: grain scale; bed; water; model ... See more keywords
Prediction of grain scale plasticity of NiTi shape memory alloy based on crystal plasticity finite element method
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of Nonferrous Metals Society of China"
DOI: 10.1016/s1003-6326(19)64987-3
Abstract: Abstract Grain scale plasticity of NiTi shape memory alloy (SMA) during uniaxial compression deformation at 400 °C was investigated through two-dimensional crystal plasticity finite element simulation and corresponding analysis based on the obtained orientation data.… read more here.
Keywords: plasticity; niti shape; plasticity niti; scale plasticity ... See more keywords
Grain-scale strain heterogeneity as a function of crystallographic texture in phase-change electro-mechanical ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0018148
Abstract: A reduction in the orientation distribution of grains, via crystallographic texturing, is known to significantly enhance the electro-mechanical response in polycrystalline piezoelectrics. Through calculations of the electric-field-induced strain in phase-changing ceramics, the local strain heterogeneity… read more here.
Keywords: crystallographic texture; grain scale; heterogeneity; strain heterogeneity ... See more keywords
Numerical investigation of particles’ transport, deposition and resuspension under unsteady conditions in constructed stormwater ponds
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Sciences Europe"
DOI: 10.1186/s12302-020-00349-y
Abstract: Background Total suspended solids (TSS) loads carried by stormwater runoff is a major pollutant source on receiving water bodies. Stormwater ponds are widely used for controlling TSS discharge. However, the trap efficiency is not satisfactory… read more here.
Keywords: grain scale; stormwater ponds; resuspension; sediment ... See more keywords