Mixing faces that constitute a velocity inlet boundary condition
 

Dear Buddies
Hi

I have divided a velocity inlet boundary condition to three faces. There is no problem with the grid. However for crowding out the grid, I want to do an operation like merging these faces so as to observing one circle instead of two half circles and a square in the middle. I had found a solution for this issue; However I have forgot it now. Any hint is appreciated.:)
More information: It's a 3D grid and after creating the 2D surface grid;I swaped through an identified edge to create the 3D grid.
Regards
Bobi

I don't understand your problem.
If you have 3 surfaces and they should set as velocity inlet, then you have 2 options:
-all 3 surfaces as one BC --> you will see only one surface
-each surface as one BC --> you will see 3 surfaces

Hi Max

Let me explain clearer:
when we sweep our faces through a specified edge that has an identified mesh on it; we can create our 3 dimensional grid . After this step, we can see undue lines that sweeping has created in the interior region. My question: Is there any way to get rid of these lines In the interior region? From your response, I infer that after defining boundary conditions properly; these undue lines due to sweeping disappear automatically? Am I right buddy?

Regards
Bobi

can you post pictures?

Hi max

I have attached a picture. As it can be seen in the picture, After sweeping through the central edge (I have deleted this line); the vertices of the middle square create four lines. Is there any way to get rid of these interior lines.:rolleyes:
Although I Know that these interior lines does not disturb in defining boundary conditions.

Regards
Bobi

if all your volumes are well connected, then the internal surfaces won't give you any problem, since Gambit will treat them as interior.
So connect Faces All