- Видео 103
- Просмотров 55 721
DCS Computing GmbH
Австрия
Добавлен 22 ноя 2018
DCS Computing is committed to excellence in computational modelling and engineering solutions for flow processes. We are the core developers of the open source www.cfdem.com platform for CFD-DEM and DEM modelling and provide software development and consultancy services in the CFD, CFD-DEM and DEM modelling fields to optimize industrial-scale equipment in a variety of industries.
Imprint:
Industriezeile 35, 4020 Linz, Austria | +43-732-9022-2200 | webrequests@dcs-computing.com
Registration Court: Landessgericht Linz, Registration No.: FN 374386v, VAT Nr: ATU67064204
Imprint:
Industriezeile 35, 4020 Linz, Austria | +43-732-9022-2200 | webrequests@dcs-computing.com
Registration Court: Landessgericht Linz, Registration No.: FN 374386v, VAT Nr: ATU67064204
Sediment erosion around a bridge
CFD-DEM simulation of erosion of a packed particle bed around a real-scale bridge performed with Aspherix and CFDEMcoupling. The bridge itself spans a 20 meter wide river. The particle bed of 0.4 meters height has a total mass of about 320 metric tons of sand and is resolved by 7 million discrete parcels of different diameter, each representing 1000 particles. On the CFD side, the particle drag force is calculated by the DiFelice drag correlation which also incorporates collective effects via the particle volume fraction. The two-phase air-water flow is simulated with a CFD-DEM coupled Volume-of-Fluid solver. The particle bed is fixed for the first two seconds and particles further downst...
Просмотров: 159
Видео
DEM of complex convex bodies - the Gömböc case
Просмотров 1376 месяцев назад
The Gömböc is the first known homogeneous convex body with just one stable and one unstable point of equilibrium. In this DEM simulation, 6 objects with different initial orientation are settling and reaching the stable equilibrium position. The choice of the rolling friction model (in this case epsd) and related coefficients proved to be crucial for obtaining a realistic behavior.
Electrostatic Filter
Просмотров 9306 месяцев назад
When electrically charged particles enter an electrostatic filter, their trajectories are affected by the Coulomb force due to the interaction with the electric field inside the filter. In this coupled CFD-DEM simulation, the particles are attracted and deposited at the charged vertical collector plates. The simulation model was realized using Aspherix and CFDEMcoupling.
Melting of plastic chips in a single screw extruder
Просмотров 5056 месяцев назад
Modelling the melting of plastic chips due to frictional heating in a single screw extruder. Aspherix and CFDEMcoupling perform a coupled CFD-DEM simulation that is capable of depicting the phase transition from solid to fluid as well as multiple fluid phases, one of which is non-newtonian.
Dynamic Refine and Coarsen Validation
Просмотров 717 месяцев назад
Work smarter, not harder! The animation shows the flow of grains in an hourglass modeled with Aspherix(R). While on the left side the particles are modeled with their original size, they are dynamically refined and coarsened when flowing through the orifice. This allows a significant reduction of simulation time without changing the quality of the simulation results.
Volume of fluid simulation with convex particles and immersed boundary
Просмотров 317 месяцев назад
The video showcases a coupled CFD-DEM simulation illustrating the dynamic process of water gradually filling a volume containing sand particles. The fluid, represented in light blue, enter the domain which contains gas and solid convex particles (in violet). As the simulation progresses we observe the filling of the domain and the interaction between gas, liquid and solid. The simulation also c...
Particle granulation in Wurster coater
Просмотров 9810 месяцев назад
The video shows the coupled CFD-DEM simulation of a fluidized bed granulation inside a Wurster coater. The carrier material is coated by a spray solution being injected from the bottom (purple droplets) while in a fluidized state. The spray consists of two liquid solvents (acetone and water) and a solute. As the solvents evaporate, a certain amount of solute is left on the carrier material in f...
Adaptive coarse-graining for rotary tablet press simulation
Просмотров 67Год назад
This video shows a polydisperse pharmaceutical powder (in violet the API, in yellow the excipient) flowing from the hopper into the feed-frame, and from there into the turret's lids. The coarse-graining factor is halved as the particles enter in two cylindrical regions at the bottom of the hopper. This method allows a coarse resolution of the powder in the big hopper (see top-right inset) and a...
Animation Nasal Airways
Просмотров 51Год назад
The animation shows the flow of 5 micron sized evaporating droplets flowing through the nasal airways during a respiration cycle using Aspherix® DEM software. The air flow information is pre-calculated using CFD and the transient flow field is imported to Aspherix®.
Melting PP in an extruder
Просмотров 361Год назад
The extruder is transporting polypropylene granules. With increasing material temperature, the particles start to melt and a mass transfer from solid to liquid is taking place.
Rubber ducks floating over a weir
Просмотров 252Год назад
Based on a pre-calculated flow field of water flowing over a weir, a 1-way coupled DEM simulation using Aspherix® is performed. Rubber ducks each consisting of 2000 spheres are released on the flowing water, float downstream and eventually hit the weir structure and capsize.
Roller compaction
Просмотров 205Год назад
This simulation shows a roller compaction process, where a lactose powder is compacted into a ribbon by two counter-rotating rollers. The material is grabbed by the cylinders due to particle/wall friction and transported into the compaction zone, where the ribbon is formed. Roller compaction is a typical dry granulation step and the produced ribbon is generally comminuted into granules with the...
Electrical conductivity
Просмотров 20Год назад
Design of future battery materials is a big challenge! Battery performance crucially depends on packing properties. We are modelling the paste as particles in an electric potential. The material experiences heating due to the electric current.
Modelling Li-ion battery's heating
Просмотров 41Год назад
This simulation shows a lithium-ion cell between two horizontal electrodes at different potentials. The top electrode moves downwards two times to simulate compression of the battery pack due to impacts. As the distance between the two electrodes decreases, the electric current flowing through the cell increases (see top inset). A stronger current implies a higher Joule heating and, therefore, ...
Simulation of fluidized bed granulation
Просмотров 184Год назад
Simulation of fluidized bed granulation
Battery drying with hybrid coupled CFD-DEM
Просмотров 106Год назад
Battery drying with hybrid coupled CFD-DEM
Deformation of a single viscoelastic grain
Просмотров 50Год назад
Deformation of a single viscoelastic grain
Harvester 1-way Coupled Steady State Velocity Detail
Просмотров 15Год назад
Harvester 1-way Coupled Steady State Velocity Detail
Harvester 4-way Coupled - IB Geometry Detail
Просмотров 22Год назад
Harvester 4-way Coupled - IB Geometry Detail
Harvester 1-way Coupled Transient Velocity Detail
Просмотров 19Год назад
Harvester 1-way Coupled Transient Velocity Detail
Harvester 1-way Coupled Constant Velocity Detail
Просмотров 11Год назад
Harvester 1-way Coupled Constant Velocity Detail
Hi, What software did you use to be able to simulate that?
Nice job!
It is totally non-sense!!!!
Oh, intetesting approach :) Is it a sort of standard DEM breakup model in Star-CCM+?
Meshless DEM?
DFBI :)
Which Software have you used?
How to do this plz help ?
What the fuck
#what
Wtf
impressive！
Thanks!
@@dcscomputinggmbh937 Dear sir, is it possible to find any document or introductions about the simulation model in this video? Thank you!