124 citations · 771 across the 28 of their papers we have counts for
18 papers · 1 filter
Partially Saturated Granular Flow in a Rotating Drum: The Role of Cohesion
Mingrui Dong, Zhongzheng Wang, Benjy Marks +2
Partially saturated granular flows are common in various natural and industrial processes, such as landslides, mineral handling, and food processing. We conduct experiments and app…
An unexplored valley of binary packing: The loose jamming state
Si Suo, Chongpu Zhai, Minglong Xu +2
We present a theoretical prediction on random close packing factor ϕ_RCP^b of binary granular packings based on the hard-sphere fluid theory. An unexplored regime is unravelled, wh…
Scalable Surface Area Characterization by Electrokinetic Analysis of Complex Anion Adsorption
Dorian A. H. Hanaor, Maliheh Ghadiri, Wojciech Chrzanowski +1
By means of the in situ electrokinetic assessment of aqueous particles in conjunction with the addition of anionic adsorbates, we develop and examine a new approach to the scalable…
Static friction at fractal interfaces
Dorian Hanaor, Yixiang Gan, Itai Einav
Tribological phenomena are governed by combined effects of material properties, topology and surface-chemistry. We study the interplay of multiscale surface structures with molecul…
Contact mechanics of fractal surfaces by spline assisted discretisation
Dorian Hanaor, Yixiang Gan, Itai Einav
We present a newly developed approach for the calculation of interfacial stiffness and contact area evolution between two rough bodies exhibiting self affine surface structures. Us…
Cyclic thermo-mechanical performance of granular beds: Effect of elastoplasticity
Si Suo, Marigrazia Moscardini, Verena Becker +2
Understanding the coupled thermo-mechanical behaviour of compacted granular beds can benefit various industrial applications, such as pebble bed design in fusion reactors. In this…
Fingering patterns in hierarchical porous media
Si Suo, Mingchao Liu, Yixiang Gan
Porous media with hierarchical structures are commonly encountered in both natural and synthetic materials, e.g., fractured rock formations, porous electrodes and fibrous materials…
Pore-scale Modelling of Gravity-driven Drainage in Disordered Porous Media
Guanzhe Cui, Mingchao Liu, Weijing Dai +1
Multiphase flow through a porous medium involves complex interactions between gravity, wettability and capillarity during drainage process. In contrast to these factors, the effect…
The effects of packing structure on the effective thermal conductivity of granular media: A grain scale investigation
Weijing Dai, Dorian Hanaor, Yixiang Gan
Structural characteristics are considered to be the dominant factors in determining the effective properties of granular media, particularly in the scope of transport phenomena. To…
Modelling imbibition processes in heterogeneous porous media
Si Suo, Mingchao Liu, Yixiang Gan
Imbibition is a commonly encountered multiphase problem in various fields, and exact prediction of imbibition processes is a key issue for better understanding capillary flow in he…
A Modified Smoothed Particle Hydrodynamics Approach for Modelling Dynamic Contact Angle Hysteresis
Yanyao Bao, Ling Li, Luming Shen +2
Dynamic wetting plays an important role in the physics of multiphase flow, and has significant influence on many industrial and geotechnical applications. In this work, a modified…
Dynamics of Viscous Entrapped Saturated Zones in Partially Wetted Porous Media
Shuoqi Li, Mingchao Liu, Dorian Hanaor +1
As a typical multiphase fluid flow process, drainage in porous media is of fundamental interest in nature and industrial applications. During drainage processes in unsaturated soil…
Dynamic contact angle hysteresis in liquid bridges
Zhang Shi, Yi Zhang, Mingchao Liu +2
This work presents a combined experimental and theoretical study of dynamic contact angle hysteresis using liquid bridges under cyclic compression and stretching between two identi…
A Thermal Discrete Element Analysis of EU Solid Breeder Blanket subjected to Neutron Irradiation
Yixiang Gan, Francisco Hernandez, Dorian Hanaor +3
Due to neutron irradiation, solid breeder blankets are subjected to complex thermo-mechanical conditions. Within one breeder unit, the ceramic breeder bed is composed of spherical-…
Experimental and numerical determination of mechanical properties of polygonal wood particles and their flow analysis in silos
Fernando Alonso-Marroquín, Álvaro Ramírez-Gómez, Carlos González-Montellano +6
Responding to a lack in the literature, mechanical properties of polygonal wood particles are determined for use in a discrete element model (DEM) for flow analysis in silos, and s…
A multiphase constitutive modeling framework for unsaturated soil behavior
Giang D. Nguyen, Yixiang Gan
We develop a framework for constitutive modeling of unsaturated soils that has the embedded elements of lower scale grain to grain contacts. Continuum models developed from this fr…
Effects of surface structure deformation on static friction at fractal interfaces
Dorian A H Hanaor, Yixiang Gan, Itai Einav
The evolution of fractal surface structures with flattening of asperities was investigated using isotropically roughened aluminium surfaces loaded in compression. It was found that…
A Particle-Water Based Model for Water Retention Hysteresis
Yixiang Gan, Federico Maggi, Giuseppe Buscarnera +1
A particle-water discrete element based approach to describe water movement in partially saturated granular media is presented and tested. Water potential is governed by both capil…