Importing velocity field from external software
Hi everyone,
I am developing an erosion simulation with the Oka wear model; in this case, my simulation includes external results from COMSOL (just the velocity and vorticity fields). I carried out several simulations, and through refinement, I realized that the particles are following just one plane direction. My hypothesis in this case is that the imported field is not refined enough; the original CFD model considers a 2D geometry, and the resulting field is converted to a 3D field with the exporting tools from the software (Comsol). In this case I want to ask if this hypothesis can be correct or if the resulting erosion makes sense according to the conditions presented.
The included images correspond to the 3D velocity field included in the simulation, the main plane corresponding to the 2D field, and the resulting worn pattern.
Answers
-
Hi,
This first image is from EDEM? The field looks OK but I would check the X Y and Z components separately to check they are as you would expect.
In the EDEM Creator > Physics > Field Data Manager is it shown as a 3D field?
When using the Field Data by default EDEM will search the 8 closest vector points to the particle centre and return a weighted average of these points as the velocity vector that gets applied to the particle.Regards
Stephen
0 -
Yes, the field is shown as a 3D field, and these are the other planes, X-Y and Y-Z, so maybe it is correct, and the shape of the worn zone is good.
0
Altair Employee
