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-   -   Insert wall without changing mesh ??? (http://www.cfd-online.com/Forums/fluent/100051-insert-wall-without-changing-mesh.html)

Zigainer April 19, 2012 04:55

Insert wall without changing mesh ???
 
Hi,

is it possible to insert a wall in fluent without changing the mesh?
Basically I have a plenum and I want to split this plenum into two plenums.
Is there any possibilty to do that without a new mesh (therefoe I have to change geometry first and then mesh again ...)

Thanks in advance.

dunga82 April 19, 2012 10:43

Hi, dear Zigainer, if you just want to compare the results without split and with split, and you have know where is the wall. I suggest you make the wall split first and then make the mesh, if you want to simulate one plenum, just define the split wall as interior. And if you want to simulate two or more plenums, define the split walls as wall.
You can change the boundary condition inside fluent and not need to change geometry and mesh. But what you need get note is that suggest change the boundary in serial fluent and not in parallel fluent.
Any question please feel free let me know.
Thanks.

Zigainer April 19, 2012 10:49

Hi dunga82,

thanks for your reply. What you suggest is fine, but I am at the point that I only have one plenum right now and I wqant to spilt taht one, withoiu meshing again ..... When I saw my results there was a big vertex in the plenum and one idea would be to split the plenum and see if we get two smaller vertexes ....

But any way, I guess there is no option to add a wall to my existing mesh right now ???

dunga82 April 20, 2012 10:07

Quote:

Originally Posted by Zigainer (Post 355648)
Hi dunga82,

thanks for your reply. What you suggest is fine, but I am at the point that I only have one plenum right now and I wqant to spilt taht one, withoiu meshing again ..... When I saw my results there was a big vertex in the plenum and one idea would be to split the plenum and see if we get two smaller vertexes ....

But any way, I guess there is no option to add a wall to my existing mesh right now ???


according to your problem, that you need to define the position of split on the results of one plenum. That is to say you need to change the geo and mesh.
but I think that is not so difficultly to do so.

Zigainer April 23, 2012 07:53

Quote:

Originally Posted by dunga82 (Post 355848)
That is to say you need to change the geo and mesh.
but I think that is not so difficultly to do so.


Thanks!
It is indeed not too much work, but just create a plane in fluent and define this as wall would be much more easier ;-)


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