CFD Online Logo CFD Online URL
Home > Forums > CFX

Semipermeable wall

Register Blogs Members List Search Today's Posts Mark Forums Read

LinkBack Thread Tools Display Modes
Old   June 22, 2007, 03:49
Default Semipermeable wall
Posts: n/a

I am running multiphase simulations and I believe it shoud be possible to model a wall which is permeable to only one fluid. That is, for one fluid it behaves as a wall and for the other as an outlet or opening. Does anyone know how to do this in CFX. I have seen that you can make the wall fluxes dependent on volume fraction, but I do not quite see how to make the wall semipermeable from that.

Thanks for any help!

- Terje
  Reply With Quote

Old   June 23, 2007, 05:28
Default Re: Semipermeable wall
Posts: n/a
It depends what you want to do:

If you want to model a membrane which allows a dispersed gas phase to escape, you can use the 'degassing' wall boundary option. This treats the boundary as an outlet for a dispersed phase and a no slip wall for a continuous phase.

  Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Natural convection in a closed domain STILL NEEDING help! Yr0gErG FLUENT 3 June 12, 2013 02:12
Water subcooled boiling Attesz CFX 7 January 5, 2013 04:32
Fluent3DMeshToFoam simvun OpenFOAM Other Meshers: ICEM, Star, Ansys, Pointwise, GridPro, Ansa, ... 48 May 14, 2012 05:20
Errors running allwmake in OpenFOAM141dev with WM_COMPILE_OPTION%3ddebug unoder OpenFOAM Installation 11 January 30, 2008 21:30
Multicomponent fluid Andrea CFX 2 October 11, 2004 05:12

All times are GMT -4. The time now is 15:34.