How can I define a porous wall in comsol?
Hi everyone, I'm now modeling a membrane filtration process. it a very simple 2D rectangle domain, one boudary is inlet, one boudary is outlet, one is no slip wall, the rest is a wall with porous...
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So is one domain boundary porous or is the whole domain a porous medium?
View ArticleRe: How can I define a porous wall in comsol?
Just one boudary of the domain, not the whole domain
View ArticleRe: How can I define a porous wall in comsol?
Ok and what is on the other side of your membrane (so outside your domain)? What physics do you use for your domain? Transport of diluted species? Is there a flow of your solvent across the membrane,...
View ArticleRe: How can I define a porous wall in comsol?
Many thanks for you patient help Pieter ! Actually right now there is no computational domain outside the membrane, the permeate side of the membrane is not considered yet, but will be taken into...
View ArticleRe: How can I define a porous wall in comsol?
Hi Xiaoxu, I hope I am actually helping you, because I do not have experience with such a problem. If you have constant pressure in the permeate region I do not think you have to include it in your...
View ArticleRe: How can I define a porous wall in comsol?
Xiaoxu, Pieter's method is good idea. If you want to try something else, try this. The filter has a finite thickness in real life. You could make a thin porous domain equal to the thickness of the...
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