The coupling between fluid and granular materials is commonly encountered in nature and
engineering practice. Moreover, the shape of granular materials in practical applications is …

Two discrete element models, super-ellipsoid model and multi-sphere model, are employed
in this paper to describe the ellipsoidal particles. And the packing and flow behavior of …

The discrete element method (DEM) is extensively used in the investigation of granular
systems and the particle shape has a great influence on the dynamics behaviors of granular …

Super-quadric elements based on continuous function representation can be used to
construct the geometric shape of irregular particles accurately. Although the contact …

Highlights•The ellipsoid modelling method is used to simulate wheat seeds.•Natural packing
and seed metering process of wheat seeds are analysed by DEM.•Ellipsoids are more …

The coefficient of restitution e is determined as the ratio of the final to the initial relative
velocity between two moving objects after their collision. It is also one of the basic features …

Fluidization of monodispersed disk-like particles with different aspect ratios in the fluidized
bed is simulated by CFD-DEM, with disk-like particles being modeled by the super …

In the energy conversion process, the inert bed material such as sand with spherical shape
is usually added to the fluidized bed for the proper fluidization of the non-spherical biomass …

In industrial applications, fluidized bed reactors with complex geometry are often used to
process non-spherical particles, eg, the biomass utilization. It is well known that CFD-DEM …

Highlights•Apple dynamics under physical impact could be simulated by DEM.•Four different
apple-shaped particles were modelled by multi-ring model (MRM).•Experimental and …