Considering the influence of normal pressure on tangential stiffness, in this paper, an
improved Iwan model with pressure-dependent stiffness is proposed to better describe …

Applying a proper contact force model is of great importance for the modelling and analysis
of contact behaviors. This paper presents a comprehensive review of various normal contact …

Sand production, a challenge in the geo-energy industry, compromises reservoir integrity
and equipment by eroding and transporting sand grains from unconsolidated and weakly …

This paper proposes a novel approximate model for estimating the normal contact force
between a rigid sphere and a viscoelastic half-space based on the generalized Maxwell …

This paper presents a numerical study of the tribocharging process during pneumatic
conveying using computational fluid dynamics (CFD) and the discrete element method …

It is not easy to obtain the numerical simulation model of organic fertilizer quickly and
accurately due to the wide range of moisture content of machine-applied bulk manure. This …

The fabric structure and dynamic behaviour of granular materials have been extensively
studied in geotechnical engineering due to their considerable impact on permeability and …

The stability of biofilms attached to support particles plays a crucial role in fluidized bed
bioreactors (FBBRs) when treating non-Newtonian sewage. Biofilm instability is governed by …

This study presents the development of a hierarchical design concept for the synthesis of
multi‐scale polymer particles with up to five levels of organization. The synthesis of core …

This study develops a model for the angle of repose (AOR) of granular materials composed
of non-spherical particles represented by a superquadric function featuring five distinct …