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Search: Posts Made By: lakeat
Forum: OpenFOAM Running, Solving & CFD May 7, 2009, 06:16
Replies: 6
Views: 7,793
Posted By lakeat
No, I mean map from a coarse 2D grid result onto...

No, I mean map from a coarse 2D grid result onto a finer 3D grid, from 2D-RANS to 3D-RANS to LES. Is the procedure okay??
Forum: OpenFOAM Running, Solving & CFD May 7, 2009, 05:41
Replies: 6
Views: 7,793
Posted By lakeat
Okay, I have found if cyclic bc is used,...

Okay, I have found if cyclic bc is used, nonuniform values come out in that patch, how did they come if no z-component in the equations, no interfaces in z-direction. But it seems these values are...
Forum: OpenFOAM Running, Solving & CFD May 6, 2009, 21:26
Replies: 6
Views: 7,793
Posted By lakeat
Then what if I set them as cyclic boundary, will...

Then what if I set them as cyclic boundary, will they have the same effect? Sorry I cannot grasp the machineries, what on earth happens on each cell when Navier-Stokes Eq is solved?

(This is what...
Forum: OpenFOAM Running, Solving & CFD May 6, 2009, 11:53
Replies: 6
Views: 7,793
Posted By lakeat
What is empty boundary condition?

What on earth does "empty" mean in OpenFOAM?

Say I have a 2D problem (usally N_z = 1), front and back bc are set to empty, is it the same to set them as cyclic? How does OpenFOAM treat "empty"...
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