Development of a new dem contact model for hygroscopic bulk solids

Haber, A.; Kartnig, Georg

doi:10.5937/fme2002432h

Cited by 2 publications

(1 citation statement)

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“…Granular materials have an important role in the medical and agriculture industries. The mechanical behavior of the granular material layer is generally influenced by the loading properties [1], distribution of particle size [2], the void ratio [3], fouling level [4], particles contact [5], and normal stress and confining pressure [6], as well as the properties of individual particles, such as particle size [7], and strength [8], particle shape [9].…”

Section: Introductionmentioning

confidence: 99%

The effect of Triple Particle sizes on the mechanical behaviour of granular materials using Discrete element method (DEM)

Talafha¹,

Oldal²

2022

FME Transactions

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Granules are used in various industries such as medicine and agriculture, and their behavior is influenced by the characteristics of the constituent particles. The Discrete Element Method (DEM) is a technique for characterizing the mechanical behavior of granular materials by building a mechanical model that describes the impacted parameters, including particle shape, which is being one of these parameters. As a result, the discrete element method is applied to investigate the macro-and micro-mechanical shear behavior of granular materials. For this study, a gravitational disposition for geometrical arrangement model has been used to model various triple particle sizes for a direct shear test using (EDEM®), which is a three-dimensional (3D) program based on (DEM). Different triple particle sizes were used to create an assembly. The results revealed that the size index affected the relationship between shear strength, angular velocity, dilation, coordination number (CN), and volumetric strain.

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