CFDEM Features

test case: large scale fluidized bed reactor
4-way coupled CFD-DEM applied to fluidized bed reactor with cyclone separators capturing the fines.

feasibility case: particle suspension droplet bouncing on surface
4-way coupled CFD-DEM combined with two phase flow (VOF)

test case: bubbling fluidized bed
4-way coupled CFD-DEM applied to bubbling fluid bed case - 1.4e6 particles

test case: CFDEMcoupling with multisphere method
4-way coupled CFD-DEM with non-spherical particles (multispheres) applied pneumatic conveying

test case: double spout fluidized bed
4-way coupled CFD-DEM applied to spout fluid bed case - 48000 particles

test case: heat transfer in packed bed, 4-way coupled CFD-DEM, combined with heat transfer
Heat transfer model includes particle-particle heat conduction and fluid-particle conductive heat transfer.
The animation shows (1) particle temperature (constant), (2) convective fluid-particle heat transfer, (3) fluid temperature, (4) fluid velocity.

test case: ball mill, 4-way coupled CFD-DEM, combined with GGI mesh motion
Rotating geometry on DEM and CFD side. The latter is realised with GGI interface between moving and static mesh parts, so also non-rotational symmetry parts can be handled accurately.

transfer chute simulation, 4-way coupled non-resolved CFD-DEM including scalar transport eqn. for dust propagation
This comparison of two different geometries for a transfer chute was carried out in cooperation with Jun.-Prof. Dr.-Ing. André Katterfeld (U Magdeburg). Thank you!

test case: immersed boundary, 4-way coupled resolved CFD-DEM
Since version 2.0.4 of the CFDEM coupling we have a "proof of concept" for the resolved CFD-DEM functionality using fictitious domain method. (Thanks to Alice Hager!)

test case: flotation, 4-way coupled CFD-DEM for two phase (gas/liquid) flow, including particle/interface force
In the following "proof of concept" the CFD-DEM functionality is combined with two phase VOF method. An interface force between particles and gas/liquid interface is applied.

test case: immersed boundary, 4-way coupled CFD-DEM
In the following "proof of concept" the CFD-DEM functionality is combined with an immersed boundary method.

test case: immersed boundary, 1-way coupled CFD-DEM
In the following "proof of concept" the CFD-DEM functionality is combined with an immersed boundary method.

test case: surge conveyor, 4-way coupled CFD-DEM
In this testcase the influence of cross-flow on the polydisperse particles falling from a conveyor can be seen.

test case: paddle mixer, 4-way coupled CFD-DEM, combined with GGI mesh motion

test case: hopper discharge, 4-way coupled CFD-DEM
This case shows the flow in a standpipe induced by the particles falling from the hopper through the standpipe into a box.

test case: fluidized bed "chimera" approach
In this example the interaction fields are evaluated on a coarse grid, whereas the flow equations are solved on a finer grid.

test case: partly fluidized bed

test case: drying bed (work in progress)