Ansys Learning Forum Forums Discuss Simulation Fluids (non-expected) gas fraction in cells near a wall Reply To: (non-expected) gas fraction in cells near a wall

Diogo Martinho
Subscriber

 

Hey Rob, 
Thanks for your answer.
I’ve checked the mass balance but it doesn’t seem to be the issue here. 

 

The reason why I am trying to get rid of that gas there, it’s because as soon as I start to add mass transfer from liquid to gas on the neighbour nodes (domains on the left and right), those nodes will have a huge amount of gas when compared to the nodes where the mass and momentum source terms are being added, and I believe that is a problem to have a convergence at the end. 
I have also tried to define a low permeability to the gas phase there so it couldn’t go in, as if a "wall" was there to the gas phase
 

Â