DEM simulation of anisotropic granular materials: elastic and inelastic behavior
Sign Up to like & getrecommendations! Published in 2020 at "Granular Matter"
DOI: 10.1007/s10035-020-01052-8
Abstract: In this work, Discrete Elements Method simulations are carried out to investigate the effective stiffness of an assembly of frictional, elastic spheres under anisotropic loading. Strain probes, following both forward and backward paths, are performed… read more here.
Keywords: anisotropic granular; dem simulation; granular materials; materials elastic ... See more keywords
Investigation on the ultimate uplift capacity for asteroid exploration in drilling anchoring process: Numerical modelling and DEM simulation
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Space Research"
DOI: 10.1016/j.asr.2021.05.020
Abstract: Abstract Due to the microgravity environment on the asteroid surface, the asteroid probe can not stay on the asteroid surface for a long time for in situ exploration. Therefore, an anchoring device is required to… read more here.
Keywords: dem simulation; ultimate uplift; uplift capacity;
DEM simulation of standpipes under the negative pressure gradient
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2021.116880
Abstract: Abstract A new method based on the force balance was proposed to simulate the flow hydrodynamics of particles in standpipes under the negative pressure gradient. The influence of drag force was integrated into the gravity… read more here.
Keywords: pressure; dem simulation; standpipes negative; negative pressure ... See more keywords
Determination of the mechanical parameters of the microstructure of rockfill materials in triaxial compression DEM simulation
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2021.104265
Abstract: Abstract An approach is devised to determine the mechanical parameters of the microstructure of Dalian limestone rockfill material (DLRM) in triaxial compression DEM simulation. The parameters of the rockfill materials include the crushing strength parameters… read more here.
Keywords: mesoscopic parameters; dem simulation; simulation; mechanical parameters ... See more keywords
Parameter Optimization and DEM Simulation of Bionic Sweep with Lower Abrasive Wear Characteristics
Sign Up to like & getrecommendations! Published in 2023 at "Biomimetics"
DOI: 10.3390/biomimetics8020201
Abstract: High wear rates during the tillage process often result in significant financial losses and wasted farming seasons. In this paper, a bionic design was used to reduce tillage wear. Inspired by wear-resistant animals with ribbed… read more here.
Keywords: abrasive wear; wear; optimization dem; simulation bionic ... See more keywords