|May 4, 2012, 12:23||
Join Date: Dec 2011
Posts: 14Rep Power: 7
I am having some difficulty understanding the porous jump in 2D - at least the porous jump is what I believe I need...I am trying to simulate flow through a wind tunnel test section which has a partially inserted wire screen in it. I am at the moment simplifying to a 2D model, so I have something that looks like this (see attached scrnshot, flow right to left).
My problem is also with meshing and specifiying the BCs...I tried modelling the screen as a very thin face (so i gave it a thickness in Gambit of 1mm - that red line at the lower gith corner of the image is actually the thin face) -here I had problems when meshing, the faces were not connected properly, I also then tried connecting them, but failed aswell...I did this after reading another comment here that in 2D, it would be an idea to create the both sides (across which a porous jump exists) and then set the boundary condition to just one face...
Does anyone have experience modelling a similar feature ?
I feel I am missing out on a rly simple fix and idea...Can anyone enlighten?
|May 5, 2012, 09:30||
Join Date: May 2010
Posts: 160Rep Power: 8
I think you are trying to over lap red face over the yellow. This is not possible you need to cut the yellow face and create the porous zone.
|fluent, porous jump, screen, wind tunnel|
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