Fix wall for another pair_style is supported?

Submitted by fabregas04 on Thu, 11/02/2017 - 13:41

Hi,

I want to plant the mesh which have charge on it and interact with particles.
But by fix wall/gran, there is only pair_style for granular is supported.
How can I use another pair_style (e.g lj/coul from LAMMMPS) to fix the wall?

And another question is that when I put the wall by fix wall/gran, sometimes particles are stick to the mesh(wall).
Do you guys know why this happened?

aaigner's picture

aaigner | Wed, 11/08/2017 - 00:19

Hi,

The fix wall/gran command is a pure LIGGGHTS command and is designed to work with our contact model approach. Therefore, you can't use lj/coul. You would have to implement your own 'normal_model'.

What do you mean? They stay close? Do you use a cohesion model that could explain that behaviour. A screenshot and input script would help a lot.

Best wishes
Andreas