[angel_97]

Hello,

I have to add a new particle force in the lagrangian model.
I am studing a straight channel in which there is a concentration of salt inside that will diffuse outside the channel. Thanks to the concentration of salt, I can inject inside the channel some particles that will feel a force that depends on the derivative of the concentration of salt.

Inside the eulerian phase I implemented the diffusion equation and I defined the velocity vector that depends on the derivative of the concentration of salt, but when I go to particles force I am not able to call that variable inside the lagrangian phase.

If somebody can help me.


Thank you in advance.

Best,

Angel