Particle Tracking for ion
I am trying to use particle tracking on ion in the electrolyte, to see the behavior of ion.
I used particle transport solid, one-way coupling, Schiller Naumann for drag force, one uniform particle diameter.
The problem is that when the particle size is very small (~10e-10 meter), there are not tracks display in the CFX-POST, when the particle size is set to ~10e-4 meter, the particle tracks are available to display.
My question is if it is possible to use CFX particle tracking to model the very small size particle.
If the answer is yes, anybody please points out the right way for me to do it?
If the answer is no, what is the other option to model such small particle in the fluid?
No, this does not sound sensible. The forces on an atomic/ionic scale are very different to the micron and larger scale. For instance there is no viscous drag on an atom, it is just the inter-atomic forces. You cannot use particle tracks to do what you say without removing all the drag law stuff and replacing it with atomic interaction stuff.
Thank you for your reply, Glenn.
You are right. After more study, I realized that one possible way to do it is my own defined force on the atom through Fortran function.
Hope this will help others.
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