Diffusion through a porous membrane

Please login with a confirmed email address before reporting spam

Good evening everyone, I am trying to simulate the concentration exchange between a channel and a reservoir, separated by a porous membrane. I am using Laminar Flow and Transport of Diluted Species, but I am encountering some problems. Specifically, when I do not couple the multiphysics, the concentration in the reservoir changes based on the porosity as it should, but at the same time, if I change the flow in the channel, the concentration does not change. On the other hand, if I couple the multiphysics, I see no difference in diffusion with varying porosity, while I do see differences in diffusion when changing the flows. Does anyone have any advice? Thank you in advance.


Reply

Please read the discussion forum rules before posting.

Please log in to post a reply.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.